research communications\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 71| Part 3| March 2015| Pages 305-308

Crystal structures of two hydrazinecarbo­thio­amide derivatives: (E)-N-ethyl-2-[(4-oxo-4H-chromen-3-yl)methyl­­idene]hydrazinecarbo­thio­amide hemi­hydrate and (E)-2-[(4-chloro-2H-chromen-3-yl)methyl­­idene]-N-phenyl­hydrazinecarbo­thio­amide

CROSSMARK_Color_square_no_text.svg

aDepartment of Physics, Ethiraj College for Women (Autonomous), Chennai 600 008, India, bDepartment of Chemistry, National Institute of Technology, Tiruchirappalli 620 015, India, and cDepartment of Physics, RKM Vivekananda College (Autonomous), Chennai 600 004, India
*Correspondence e-mail: ksethusankar@yahoo.co.in

Edited by H. Stoeckli-Evans, University of Neuchâtel, Switzerland (Received 4 February 2015; accepted 17 February 2015; online 21 February 2015)

The title compounds, C13H13N3O2S·0.5H2O, (I), and C17H14ClN3OS, (II), are hydrazinecarbo­thio­amide derivatives. Compound (I) crystallizes with two independent mol­ecules (A and B) and a water mol­ecule of crystallization in the asymmetric unit. The chromene moiety is essentially planar in mol­ecules A and B, with maximum deviations of 0.028 (3) and 0.016 (3) Å, respectively, for the carbonyl C atoms. In (II), the pyran ring of the chromene moiety adopts a screw-boat conformation and the phenyl ring is inclined by 61.18 (9)° to its mean plane. In the crystal of (I), bifurcated N—H⋯O and C—H⋯O hydrogen bonds link the two independent mol­ecules forming AB dimers with two R21(6) ring motifs, and R22(10) and R22(14) ring motifs. In addition to these, the water mol­ecule forms tetra­furcated hydrogen bonds which alternately generate R44(12) and R66(22) graph-set ring motifs. There are also ππ [inter-centroid distances = 3.5648 (14) and 3.6825 (15) Å] inter­actions present, leading to the formation of columns along the c-axis direction. In the crystal of (II), mol­ecules are linked by pairs of N—H⋯S hydrogen bonds, forming inversion dimers with an R22(8) ring motif. The dimers are linked by C—H⋯π inter­actions, forming ribbons lying parallel to (210).

1. Chemical context

Thio­semicarbazones belong to a large group of thio­urea derivatives which are derived from parent aldehydes and ketones. The biological activity of these compounds depends on the parent aldehyde and ketone (Beraldo & Gambino, 2004[Beraldo, H. & Gambino, D. (2004). Mini. Rev. Med. Chem. 4, 31-39.]). Derivatives of hydrazinecarbo­thio­amide constitute an important group of multidentate ligands with potential binding sites available for a wide variety of metal ions. The chemistry of thio­semicarbazone complexes has received much attention owing to their significant biological activities and medicinal properties. Presently, the areas in which thio­semicarbazones are receiving the most attention are based on their anti­tumour, anti­protozoal, anti­bacterial and anti­viral activities (Finch et al., 1999[Finch, R. A., Liu, M. C., Cory, A. H., Cory, J. G. & Sartorelli, A. C. (1999). Adv. Enzyme Regul. 39, 3-12.]; Antholine et al., 1977[Antholine, W., Knight, J., Whelan, H. & Petering, D. H. (1977). Mol. Pharmacol. 13, 89-98.]). α-N-heterocyclic thio­semicarbazones possess anti­tumour properties partially related to their ability to inhibit ribonucleoside reductase (RR), an iron-containing enzyme which is essential in DNA synthesis (Sartorelli et al., 1970[Sartorelli, A. C., Moore, E. C., Zedeck, M. S. & Agrawal, K. C. (1970). Biochemistry, 9, 4492-4498.]). The medicinal action of these thio­semicarbazones appears to be directly related to their ability to chelate the iron atom of the active site of RR or by destroying the tyrosinase radical present in a subunit of this protein (Thelander & Graslund, 1983[Thelander, L. & Gräslund, A. (1983). J. Biol. Chem. 258, 4063-4066.]). The structures of the title compounds were determined in order to investigate the extent of electron delocalization, ligand conformations and to illustrate their biological implications.

[Scheme 1]

2. Structural commentary

In compound (I)[link] (Fig. 1[link]), the chromene moieties of mol­ecules A and B are essentially planar, with maximum deviations of 0.028 (3) and 0.016 (3) Å for atoms C7 and C7′, respectively. However, in compound (II)[link] (Fig. 2[link]), the chromene moiety is not quite planar with a dihedral angle of 5.67 (12)° between the mean planes of the fused six-membered rings. In compound (II)[link], the pyran ring of the chromene moiety adopts a screw-boat conformation [puckering amplitudes and smallest displacement parameters are q = 0.314 (2) Å, θ = 116.4 (4)°, φ = 147.5 (5)° and ΔC2 = 0.7 (3)]. In compound (II)[link], the dihedral angle between the chromene moiety and the phenyl ring is 61.18 (9)°. The deviation of the carbonyl O atoms (O2 and O2′) from the mean plane of the pyran ring in compound (I)[link] are 0.0838 (18) and 0.0386 (19) Å in mol­ecules A and B, respectively, while the deviation of the Cl atom in compound (II)[link] is 0.312 (1) Å.

[Figure 1]
Figure 1
The mol­ecular structure of the two independent mol­ecules (A and B) of compound (I)[link], showing the atom labelling. Displacement ellipsoids are drawn at the 30% probability level.
[Figure 2]
Figure 2
The mol­ecular structure of compound (II)[link], showing the atom labelling. Displacement ellipsoids are drawn at the 30% probability level.

The hydrazinecarbo­thio­amide backbone is almost planar, with the maximum deviation being exhibited by atom N2 in both compounds; 0.025 (2) and 0.051 (2) Å, respectively, in mol­ecules A and B of compound (I)[link] and 0.072 (2) Å in compound (II)[link].

Thio­semicarbazones exist in the thione form in the solid state and in solution they exist as an equilibrium mixture of thione and thiol forms (Kurup & Joseph, 2003[Kurup, M. R. P. & Joseph, M. (2003). Synth. React Inorg. Met. Org. Chem. 33, 1275-1287.]). The fact that the compounds exists in the thione form is confirmed by the N—N, N—C and C=S bond lengths.. The C—S bond lengths are 1.681 (2) and 1.673 (2) Å in mol­ecules A and B, respectively, of compound (I)[link], and 1.668 (2) Å in compound (II)[link]. These bond lengths are inter­mediate between normal S—Csp2 single-bond and S=Csp2 double-bond distances of ca 1.75 and 1.59 Å, respectively, indicating the presence of partial double-bond character (Kumbhar et al., 1997[Kumbhar, A., Sonawane, P., Padhye, S., West, D. X. & Butcher, R. J. (1997). J. Chem. Crystallogr. 27, 533-539.]). The N1—N2 bond lengths [varying between 1.367 (2) and 1.369 (2) Å] are very close to that reported for a similar substituted hydrazine­carbo­thio­amide compound (Joseph et al., 2004[Joseph, M., Suni, V., Nayar, C. R., Kurup, M. R. P. & Fun, H.-K. (2004). J. Mol. Struct. 705, 63-70.]). The resonance involving the pyran ring would account for the shortening of the N—N distance through extensive delocalization. The C—N bond lengths [varying between 1.324 (3) and 1.361 (3) Å] are shorter than the normal C—N single bond length (ca 1.48 Å), also indicating some degree of delocaliz­ation in both compounds. The S1=C11—N2—N1 torsion angles are 177.31 (16) and 174.29 (16)°, respectively, in mol­ecules A and B of compound (I)[link] and −172.62 (17)° in compound (II)[link]. This indicates that the thionyl atom S1 is positioned trans to the azo­methane nitro­gen atom N1 in both compounds.

3. Supra­molecular features

The water mol­ecule of crystallization plays an important role in the hydrogen-bonding patterns of the three-dimensional network in compound (I)[link]. In the crystal packing of compound (I)[link], bifurcated N—H⋯O and C—H⋯O hydrogen bonds involving carbonyl oxygens O2 and O2′ in adjacent mol­ecules, inter­connect them to form AB dimers with two [R_{2}^{1}](6) ring motifs, and [R_{2}^{2}](10) and [R_{2}^{2}](14) ring motifs (Table 1[link] and Fig. 3[link]). Similar bifurcated hydrogen bonds between mol­ecule A and the water O atom form an [R_{2}^{1}](10) ring motif. In addition to these, the water mol­ecule forms tetra­furcated hydrogen bonds which alternately generate R44(12) and R66(22) graph-set ring motifs. The supra­molecular aggregation in the crystal of compound (I)[link] is completed by the presence of slipped parallel ππ inter­actions, forming columns along the c-axis direction. The most significant inter­actions are Cg1⋯Cg1i = 3.5648 (14) Å [inter-planar distance = 3.3154 (10) Å, slippage = 1.310 Å, where Cg1 is the centroid of the O1/C1/C6–C9 ring; symmetry code: (i) = −x + 1, −y + 1, −z + 1] and Cg5⋯Cg5ii = 3.6825 (15) Å [inter-planar distance = 3.5441 (11) Å, slippage = 0.999 Å, where Cg5 is the centroid of the C1′–C6′ ring; symmetry code: (ii) = −x + 2, −y + 1, −z].

Table 1
Hydrogen-bond geometry (Å, °) for (I)[link]

D—H⋯A D—H H⋯A DA D—H⋯A
N2′—H2′A⋯O2i 0.86 2.09 2.900 (3) 158
N2—H2A⋯O2′i 0.86 2.14 2.938 (2) 155
N3—H3A⋯O1W 0.86 2.31 3.131 (3) 161
O1W—H1WB⋯S1′ 0.85 (3) 2.47 (3) 3.322 (2) 178 (4)
O1W—H1WA⋯S1ii 0.87 (2) 2.52 (2) 3.370 (3) 167 (4)
C9—H9⋯O1W 0.93 2.30 3.213 (4) 169
C10—H10⋯O2′i 0.93 2.51 3.297 (3) 143
C10′—H10′⋯O2i 0.93 2.52 3.302 (3) 142
Symmetry codes: (i) -x+1, -y+1, -z+1; (ii) -x+1, -y, -z+1.
[Figure 3]
Figure 3
A partial view along the c axis of the crystal packing of compound (I)[link], showing the N—H⋯O, C—H⋯O and OW—H⋯S hydrogen bonds (dashed lines; see Table 1[link]), which result in the formation of two [R_{2}^{1}](6) ring motifs and [R_{2}^{2}](10), [R_{2}^{2}](14), R44(12) and R66(22) ring motifs. H atoms not involved in hydrogen bonding have been omitted for clarity.

In the crystal of compound (II)[link], mol­ecules are linked by pairs of N—H⋯S hydrogen bonds, forming inversion dimers with an [R_{2}^{2}](8) ring motif (Table 2[link] and Fig. 4[link]). The dimers are linked by C—H⋯π inter­actions (Table 2[link]), forming ribbons lying parallel to plane (210).

Table 2
Hydrogen-bond geometry (Å, °) for (II)[link]

Cg1 is the centroid of the C12–C17 phenyl ring.

D—H⋯A D—H H⋯A DA D—H⋯A
N2—H2A⋯S1i 0.86 2.61 3.456 (2) 167
C2—H2⋯Cg1ii 0.93 2.86 3.697 (3) 151
Symmetry codes: (i) -x+2, -y+2, -z; (ii) -x+1, -y, -z.
[Figure 4]
Figure 4
A partial view along the b axis of the crystal packing of compound (II)[link], showing the N—H⋯S hydrogen bonds (dashed lines; see Table 2[link]), which result in the formation of inversion dimers with an [R_{2}^{2}](8) ring motif. H atoms not involved in hydrogen bonding have been omitted for clarity.

4. Database survey

A search of the Cambridge Structural Database (Version 5.36; last update Nov. 2014; Groom & Allen, 2014[Groom, C. R. & Allen, F. H. (2014). Angew. Chem. Int. Ed. 53, 662-671.]) for similar structures gave 3 hits, one of which is a copper(II) complex, di­bromo-(2-{[6-methyl-4-(oxo)-4H-chromen-3-yl]methyl­ene}- N-phenyl­hydrazinecarbo­thio­amide)­copper (Ilies et al., 2014[Ilies, D.-C., Pahontu, E., Shova, S., Georgescu, R., Stanica, N., Olar, R., Gulea, A. & Rosu, T. (2014). Polyhedron, 81, 123-131.]). The other two include, N-methyl-2-[(4-oxo-4H-chromen-3-yl)methyl­ene] hydrazinecarbo­thio­amide (III) (Vimala et al., 2014[Vimala, G., Govindaraj, J., Haribabu, J., Karvembu, R. & SubbiahPandi, A. (2014). Acta Cryst. E70, o1151.]), which is the N-methyl derivative of compound (I)[link], and (E)-2-[(4-chloro-2H-chromen-3-yl)methyl­ene]-N-cyclo­hexylhydrazine carbo­thio­amide (IV) (Gangadharan et al., 2014[Gangadharan, R., Haribabu, J., Karvembu, R. & Sethusankar, K. (2014). Acta Cryst. E70, o1039-o1040.]), which is the N-cyclo­hexane derivative of compound (II)[link]. The bond distances and angles in compounds (I)[link] and (III) are very similar, as are those in compounds (II)[link] and (IV).

5. Synthesis and crystallization

Compound (I): 1.19 g (0.01 mol) of N-ethyl­hydrazinecarbo­thio­amide was dissolved in 20 ml of hot ethanol and to this was added 1.74 g (0.01 mol) of 4-oxo-4H-chromene-3-carbaldehyde in 10 cm3 of ethanol over a period of 10 min with continuous stirring. The reaction mixture was refluxed for 2 h and allowed to cool whereby a shiny white compound began to separate; this was filtered and washed thoroughly with ethanol and then dried in vacuo. The compound was recrystallized from hot ethanol (yield: 96%), giving colourless block-like crystals.

Compound (II): 1.67 g (0.01 mol) of 4(N)-phenyl­thio­semicarbazide was dissolved in 20 ml of hot ethanol and to this was added 1.94 g (0.01 mol) of 4-chloro-2H-chromene-3-carbaldehyde in 10 ml of ethanol over a period of 10 min with continuous stirring. The reaction mixture was refluxed for 2 h and allowed to cool whereby a shiny yellow compound began to separate. It was filtered and washed thoroughly with ethanol and then dried in vacuo. The compound was recrystallized from hot ethanol (yield: 89%), giving colourless block-like crystals.

6. Refinement

Crystal data, data collection and structure refinement details for compounds (I)[link] and (II)[link] are summarized in Table 3[link]. For compound (I)[link], the positions of the water H atoms were located from difference electron density maps and freely refined. In compounds (I)[link] and (II)[link], the NH H atoms were included in calculated positions and treated as riding atoms: N—H = 0.86 Å with Uiso(H) = 1.2Ueq(N). The C-bound H atoms in both mol­ecules were included in calculated positions and treated as riding atoms: C—H = 0.93–0.97 Å with Uiso(H) = 1.5Ueq(C) for methyl H atoms and = 1.2Ueq(C) for other H atoms.

Table 3
Experimental details

  (I) (II)
Crystal data
Chemical formula C13H13N3O2S·0.5H2O C17H14ClN3OS
Mr 284.33 343.82
Crystal system, space group Triclinic, P[\overline{1}] Monoclinic, P21/c
Temperature (K) 296 296
a, b, c (Å) 8.2858 (2), 12.5422 (4), 14.3520 (5) 10.3176 (3), 5.7589 (2), 27.0364 (7)
α, β, γ (°) 114.379 (2), 95.751 (3), 94.200 (2) 90, 96.564 (2), 90
V3) 1340.81 (7) 1595.92 (8)
Z 4 4
Radiation type Mo Kα Mo Kα
μ (mm−1) 0.25 0.38
Crystal size (mm) 0.35 × 0.30 × 0.25 0.30 × 0.25 × 0.20
 
Data collection
Diffractometer Bruker Kappa APEXII CCD Bruker Kappa APEXII CCD
Absorption correction Multi-scan (SADABS; Bruker, 2008[Bruker (2008). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]) Multi-scan (SADABS; Bruker, 2008[Bruker (2008). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.])
Tmin, Tmax 0.917, 0.940 0.893, 0.927
No. of measured, independent and observed [I > 2σ(I)] reflections 19142, 5579, 2764 14667, 3902, 2089
Rint 0.046 0.050
(sin θ/λ)max−1) 0.631 0.668
 
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.048, 0.137, 0.94 0.047, 0.124, 0.99
No. of reflections 5579 3902
No. of parameters 362 208
No. of restraints 2 0
H-atom treatment H atoms treated by a mixture of independent and constrained refinement H-atom parameters constrained
Δρmax, Δρmin (e Å−3) 0.26, −0.24 0.23, −0.20
Computer programs: APEX2 and SAINT (Bruker, 2008[Bruker (2008). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]), SHELXS97 and SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]), ORTEP-3 for Windows (Farrugia, 2012[Farrugia, L. J. (2012). J. Appl. Cryst. 45, 849-854.]), Mercury (Macrae et al., 2008[Macrae, C. F., Bruno, I. J., Chisholm, J. A., Edgington, P. R., McCabe, P., Pidcock, E., Rodriguez-Monge, L., Taylor, R., van de Streek, J. & Wood, P. A. (2008). J. Appl. Cryst. 41, 466-470.]) and PLATON Spek, 2009[Spek, A. L. (2009). Acta Cryst. D65, 148-155.]).

Supporting information


Chemical context top

Thio­semicarbazones belong to a large group of thio­urea derivatives which are derived from parent aldehydes and ketones. The biological activity of these compounds depends on the parent aldehyde and ketone (Beraldo & Gambino, 2004). Derivatives of hydrazinecarbo­thio­amide constitute an important group of multidentate ligands with potential binding sites available for a wide variety of metal ions. The chemistry of thio­semicarbazone complexes has received much attention owing to their significant biological activities and medicinal properties. Presently, the areas in which thio­semicarbazones are receiving the most attention are based on their anti­tumour, anti­protozoal, anti­bacterial and anti­viral activities (Finch et al., 1999; Antholine et al., 1977). α-N-heterocyclic thio­semicarbazones possess anti­tumour properties partially related to their ability to inhibit ribonucleoside redu­ctase (RR), an iron-containing enzyme which is essential in DNA synthesis (Sartorelli et al., 1970).The medicinal action of these thio­semicarbazones appears to be directly related to their ability to chelate the iron atom of the active site of RR or by destroying the tyrosinase radical present in a subunit of this protein (Thelander & Graslund, 1983). The structures of the title compounds were determined in order to investigate the extent of electron delocalization, ligand conformations and to illustrate their biological implications.

Structural commentary top

In compound (I) (Fig. 1), the chromene moieties of molecules A and B are essentially planar, with maximum deviations of 0.028 (3) and 0.016 (3) Å for atoms C7 and C7', respectively. However, in compound (II) (Fig. 2), the chromene moiety is not quite planar with a dihedral angle of 5.67 (12)° between the mean planes of the fused six-membered rings. In compound (II), the pyran ring of the chromene moiety adopts a screw-boat conformation [puckering amplitudes and smallest displacement parameters are q = 0.314 (2) Å, θ = 116.4 (4)°, ϕ = 147.5 (5)° and ΔC2 = 0.7 (3)]. In compound (II), the dihedral angle between the chromene moiety and the phenyl ring is 61.18 (9)°. The deviation of the carbonyl O atoms (O2 and O2') from the mean plane of the pyran ring in compound (I) are 0.0838 (18) and 0.0386 (19) Å in molecules A and B, respectively, while the deviation of the Cl atom in compound (II) is 0.312 (1) Å.

The hydrazinecarbo­thio­amide backbone is almost planar, with the maximum deviation being exhibited by atom N2 in both compounds; 0.025 (2) and 0.051 (2) Å, respectively, in molecules A and B of compound (I) and 0.072 (2) Å in compound (II).

Thio­semicarbazones exist in the thione form in the solid state and in solution they exist as an equilibrium mixture of thione and thiol forms (Kurup & Joseph, 2003). The fact that the compounds exists in the thione form is confirmed by the N—N, N—C and CS bond lengths.. The C—S bond lengths are 1.681 (2) and 1.673 (2) Å in molecules A and B, respectively, of compound (I), and 1.668 (2) Å in compound (II). These bond lengths are inter­mediate between normal S—Csp2 single-bond and SCsp2 double-bond distances of ca 1.75 and 1.59 Å, respectively, indicating the presence of partial double-bond character (Kumbhar et al., 1997). The N1—N2 bond lengths [varying between 1.367 (2) and 1.369 (2) Å] are very close to that reported for a similar substituted hydrazinecarbo­thio­amide compound (Joseph et al., 2004). The resonance involving the pyran ring would account for the shortening of the N—N distance through extensive delocalization. The C—N bond lengths [varying between 1.324 (3) and 1.361 (3) Å] are shorter than the normal C—N single bond length (ca 1.48 Å), also indicating some degree of delocalization in both compounds. The S1C11—N2—N1 torsion angles are 177.31 (16) and 174.29 (16)°, respectively, in molecules A and B of compound (I) and -172.62 (17)° in compound (II). This indicates that the thio­nyl atom S1 is positioned trans to the azo­methane nitro­gen atom N1 in both compounds.

Supra­molecular features top

The water molecule of crystallization plays an important role in the hydrogen-bonding patterns of the three-dimensional network in compound (I). In the crystal packing of compound (I), bifurcated N—H···O and C—H···O hydrogen bonds involving carbonyl oxygens O2 and O2' in adjacent molecules, inter­connect them to form AB dimers with two R21(6) ring motifs, and R22(10) and R22(14) ring motifs (Table 1 and Fig. 3). Similar bifurcated hydrogen bonds between molecule A and the water O atom form an R21(10) ring motif. In addition to these, the water molecule forms tetra­furcated hydrogen bonds which alternatively generate R44(12) and R66(22) graph-set ring motifs. The supra­molecular aggregation in the crystal of compound (I) is completed by the presence of slipped parallel ππ inter­actions, forming columns along the c-axis direction. The most significant inter­actions are Cg1···Cg1i = 3.5648 (14) Å [inter-planar distance = 3.3154 (10) Å, slippage = 1.310 Å, where Cg1 is the centroid of the O1/C1/C6–C9 ring; symmetry code: (i) = -x + 1, -y + 1, -z + 1] and Cg5···Cg5ii = 3.6825 (15) Å [inter-planar distance = 3.5441 (11) Å, slippage = 0.999 Å, where Cg5 is the centroid of the C1'–C6' ring; symmetry code: (ii) = -x + 2, -y + 1, -z].

In the crystal of compound (II), molecules are linked by pairs of N—H···S hydrogen bonds, forming inversion dimers with an R22(8) ring motif (Table 2 and Fig. 4). The dimers are linked by C—H···π inter­actions (Table 2), forming ribbons lying parallel to plane (210).

Database survey top

A search of the Cambridge Structural Database (Version 5.36; last update Nov. 2014; Groom & Allen, 2014) for similar structures gave 3 hits, one of which is a copper(II) complex, di­bromo-(2-{[6-methyl-4-(oxo)-4H-chromen-3-yl]methyl­ene}- N-phenyl­hydrazinecarbo­thio­amide)­copper (Ilies et al., 2014). The other two include, N-methyl-2-[(4-oxo-4H-chromen-3-yl)methyl­ene] hydrazinecarbo­thio­amide (III) (Vimala et al., 2014), which is the N-methyl derivative of compound (I), and (E)-2-[(4-chloro-2H-chromen-3-yl)methyl­ene]-N-cyclo­hexyl­hydrazine carbo­thio­amide (IV) (Gangadharan et al., 2014), which is the N-cyclo­hexane derivative of compound (II). The bond distances and angles in compounds (I) and (III) are very similar, as are those in compounds (II) and (IV).

Synthesis and crystallization top

Compound (I): 1.19 g (0.01 mol) of N-ethyl­hydrazinecarbo­thio­amide was dissolved in 20 ml of hot ethanol and to this was added 1.74 g (0.01 mol) of 4-oxo-4H-chromene-3-carbaldehyde in 10 cm3 of ethanol over a period of 10 min with continuous stirring. The reaction mixture was refluxed for 2 h and allowed to cool whereby a shiny white compound began to separate; this was filtered and washed thoroughly with ethanol and then dried in vacuo. The compound was recrystallized from hot ethanol (yield: 96%), giving colourless block-like crystals.

Compound (II): 1.67 g (0.01 mol) of 4(N)-phenyl­thio­semicarbazide was dissolved in 20 ml of hot ethanol and to this was added 1.94 g (0.01 mol) of 4-chloro-2H-chromene-3-carbaldehyde in 10 ml of ethanol over a period of 10 min with continuous stirring. The reaction mixture was refluxed for 2 h and allowed to cool whereby a shiny yellow compound began to separate. It was filtered and washed thoroughly with ethanol and then dried in vacuo. The compound was recrystallized from hot ethanol (yield: 89%), giving colourless block-like crystals.

Refinement top

Crystal data, data collection and structure refinement details for compounds (I) and (II) are summarized in Table 3. For compound (I), the positions of the water H atoms were located from difference electron density maps and freely refined. In compounds (I) and (II), the NH H atoms were included in calculated positions and treated as riding atoms: N—H = 0.86 Å with Uiso(H) = 1.2Ueq(N). The C-bound H atoms in both molecules were included in calculated positions and treated as riding atoms: C—H = 0.93–0.97 Å with Uiso(H) = 1.5Ueq(C) for methyl H atoms and = 1.2Ueq(C) for other H atoms.

Related literature top

For related literature, see: Antholine et al. (1977); Beraldo & Gambino (2004); Finch et al. (1999); Gangadharan et al. (2014); Groom & Allen (2014); Ilies et al. (2014); Joseph et al. (2004); Kumbhar et al. (1997); Kurup & Joseph (2003); Sartorelli et al. (1970); Thelander & Graslund (1983); Vimala et al. (2014).

Computing details top

For both compounds, data collection: APEX2 (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2008). Software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009) for (I); SHELXL97 (Sheldrick, 2008) and PLATON Spek, 2009) for (II).

Figures top
[Figure 1] Fig. 1. The molecular structure of the two independent molecules (A and B) of compound (I), showing the atom labelling. Displacement ellipsoids are drawn at the 30% probability level.
[Figure 2] Fig. 2. The molecular structure of compound (II), showing the atom labelling. Displacement ellipsoids are drawn at the 30% probability level.
[Figure 3] Fig. 3. A partial view along the c axis of the crystal packing of compound (I), showing the N—H···O, C—H···O and OW—H···S hydrogen bonds (dashed lines; see Table 1), which result in the formation of two R21(6) ring motifs and R22(10), R22(14), R44(12) and R66(22) ring motifs. H atoms not involved in hydrogen bonding have been omitted for clarity.
[Figure 4] Fig. 4. A partial view along the b axis of the crystal packing of compound (II), showing the N—H···S hydrogen bonds (dashed lines; see Table 2), which result in the formation of inversion dimers with an R22(8) ring motif. H atoms not involved in hydrogen bonding have been omitted for clarity.
(I) (E)-N-Ethyl-2-[(4-oxo-4H-chromen-3-yl)methylidene]hydrazinecarbothioamide hemihydrate top
Crystal data top
C13H13N3O2S·0.5H2OZ = 4
Mr = 284.33F(000) = 596
Triclinic, P1Dx = 1.409 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 8.2858 (2) ÅCell parameters from 5579 reflections
b = 12.5422 (4) Åθ = 1.6–26.6°
c = 14.3520 (5) ŵ = 0.25 mm1
α = 114.379 (2)°T = 296 K
β = 95.751 (3)°Block, colourless
γ = 94.200 (2)°0.35 × 0.30 × 0.25 mm
V = 1340.81 (7) Å3
Data collection top
Bruker Kappa APEXII CCD
diffractometer
5579 independent reflections
Radiation source: fine-focus sealed tube2764 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.046
ω and ϕ scansθmax = 26.6°, θmin = 1.6°
Absorption correction: multi-scan
(SADABS; Bruker, 2008)
h = 1010
Tmin = 0.917, Tmax = 0.940k = 1415
19142 measured reflectionsl = 1818
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.048Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.137H atoms treated by a mixture of independent and constrained refinement
S = 0.94 w = 1/[σ2(Fo2) + (0.0658P)2]
where P = (Fo2 + 2Fc2)/3
5579 reflections(Δ/σ)max < 0.001
362 parametersΔρmax = 0.26 e Å3
2 restraintsΔρmin = 0.24 e Å3
Crystal data top
C13H13N3O2S·0.5H2Oγ = 94.200 (2)°
Mr = 284.33V = 1340.81 (7) Å3
Triclinic, P1Z = 4
a = 8.2858 (2) ÅMo Kα radiation
b = 12.5422 (4) ŵ = 0.25 mm1
c = 14.3520 (5) ÅT = 296 K
α = 114.379 (2)°0.35 × 0.30 × 0.25 mm
β = 95.751 (3)°
Data collection top
Bruker Kappa APEXII CCD
diffractometer
5579 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2008)
2764 reflections with I > 2σ(I)
Tmin = 0.917, Tmax = 0.940Rint = 0.046
19142 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0482 restraints
wR(F2) = 0.137H atoms treated by a mixture of independent and constrained refinement
S = 0.94Δρmax = 0.26 e Å3
5579 reflectionsΔρmin = 0.24 e Å3
362 parameters
Special details top

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
C1'0.7753 (3)0.4656 (2)0.08664 (19)0.0444 (6)
C10.8004 (3)0.5298 (2)0.46364 (19)0.0425 (6)
C2'0.8576 (3)0.5059 (2)0.1473 (2)0.0557 (7)
H2'0.86030.45680.21630.067*
C20.8858 (3)0.5665 (2)0.4025 (2)0.0557 (7)
H20.89760.51380.33600.067*
C30.9530 (3)0.6821 (2)0.4413 (2)0.0581 (7)
H31.01070.70830.40080.070*
C3'0.9351 (3)0.6189 (2)0.1045 (2)0.0593 (8)
H3'0.99030.64690.14480.071*
C4'0.9321 (3)0.6925 (2)0.0009 (2)0.0572 (7)
H4'0.98590.76900.02780.069*
C40.9357 (3)0.7602 (2)0.5402 (2)0.0568 (7)
H40.98350.83820.56640.068*
C50.8487 (3)0.7233 (2)0.6000 (2)0.0487 (6)
H50.83570.77680.66600.058*
C5'0.8498 (3)0.6520 (2)0.0583 (2)0.0503 (7)
H5'0.84750.70170.12730.060*
C60.7792 (3)0.6059 (2)0.56270 (18)0.0404 (6)
C6'0.7691 (3)0.5370 (2)0.01658 (19)0.0408 (6)
C70.6827 (3)0.5632 (2)0.62307 (19)0.0420 (6)
C7'0.6784 (3)0.4911 (2)0.07702 (19)0.0429 (6)
C8'0.6037 (3)0.3694 (2)0.02285 (18)0.0409 (6)
C80.6228 (3)0.43815 (19)0.57379 (18)0.0394 (6)
C90.6516 (3)0.3722 (2)0.47741 (19)0.0488 (7)
H90.61020.29260.44770.059*
C9'0.6189 (3)0.3082 (2)0.0777 (2)0.0535 (7)
H9'0.56930.23050.11060.064*
C100.5298 (3)0.3872 (2)0.62971 (18)0.0430 (6)
H100.51250.43500.69650.052*
C10'0.5137 (3)0.3172 (2)0.07880 (19)0.0456 (6)
H10'0.50900.36200.14850.055*
C110.3128 (3)0.1280 (2)0.61075 (18)0.0412 (6)
C11'0.2875 (3)0.0607 (2)0.05910 (19)0.0420 (6)
C120.2363 (3)0.0610 (2)0.45867 (19)0.0538 (7)
H12A0.12490.06300.47390.065*
H12B0.29230.11090.48420.065*
C12'0.1908 (3)0.1203 (2)0.09642 (19)0.0524 (7)
H12C0.07500.11860.09150.063*
H12D0.23160.16960.06450.063*
C13'0.2150 (4)0.1715 (2)0.2081 (2)0.0732 (9)
H13D0.17110.12410.24020.110*
H13E0.15960.25050.24260.110*
H13F0.32960.17250.21280.110*
C130.2336 (3)0.1086 (2)0.3439 (2)0.0631 (8)
H13A0.17730.05980.31820.095*
H13B0.17820.18770.31150.095*
H13C0.34370.10860.32850.095*
N10.4719 (2)0.27888 (16)0.58919 (15)0.0431 (5)
N1'0.4412 (2)0.21203 (17)0.03521 (15)0.0447 (5)
N2'0.3664 (2)0.17184 (16)0.09748 (16)0.0499 (5)
H2'A0.36950.21780.16180.060*
N20.3884 (2)0.24022 (16)0.64915 (15)0.0454 (5)
H2A0.38370.28780.71210.055*
N3'0.2766 (2)0.00132 (17)0.04207 (16)0.0511 (6)
H3'A0.32240.03030.07730.061*
N30.3184 (2)0.06031 (16)0.51214 (15)0.0475 (5)
H3A0.37280.08890.47790.057*
O10.7355 (2)0.41240 (14)0.42089 (13)0.0534 (5)
O1'0.6999 (2)0.35106 (14)0.13347 (13)0.0575 (5)
O20.6529 (2)0.62856 (14)0.70913 (13)0.0603 (5)
O2'0.6649 (2)0.55142 (14)0.16840 (14)0.0644 (5)
O1W0.4956 (3)0.10193 (19)0.34506 (17)0.0689 (6)
S1'0.21192 (9)0.00898 (6)0.13833 (5)0.0591 (2)
S10.21930 (9)0.08415 (6)0.68995 (5)0.0587 (2)
H1WA0.569 (4)0.054 (3)0.326 (4)0.18 (2)*
H1WB0.422 (4)0.080 (4)0.293 (2)0.16 (2)*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C1'0.0496 (15)0.0441 (15)0.0419 (16)0.0038 (12)0.0133 (13)0.0194 (13)
C10.0458 (15)0.0384 (14)0.0450 (16)0.0025 (12)0.0109 (13)0.0186 (13)
C2'0.0640 (17)0.0635 (18)0.0423 (16)0.0010 (15)0.0162 (14)0.0244 (15)
C20.0649 (18)0.0576 (18)0.0497 (17)0.0082 (15)0.0259 (15)0.0238 (15)
C30.0645 (18)0.0609 (18)0.0604 (19)0.0022 (15)0.0229 (15)0.0348 (16)
C3'0.0595 (18)0.0645 (19)0.063 (2)0.0021 (15)0.0179 (15)0.0363 (17)
C4'0.0574 (17)0.0525 (17)0.064 (2)0.0023 (14)0.0111 (15)0.0284 (16)
C40.0595 (17)0.0492 (16)0.064 (2)0.0055 (14)0.0125 (15)0.0278 (16)
C50.0547 (16)0.0430 (15)0.0467 (16)0.0020 (13)0.0092 (13)0.0181 (13)
C5'0.0566 (16)0.0463 (15)0.0475 (16)0.0018 (13)0.0113 (13)0.0193 (13)
C60.0421 (14)0.0411 (14)0.0404 (15)0.0030 (11)0.0084 (12)0.0194 (12)
C6'0.0441 (14)0.0392 (14)0.0422 (15)0.0051 (11)0.0096 (12)0.0196 (12)
C70.0483 (15)0.0415 (14)0.0366 (15)0.0032 (12)0.0064 (12)0.0172 (13)
C7'0.0481 (15)0.0405 (14)0.0411 (16)0.0068 (12)0.0129 (13)0.0167 (13)
C8'0.0460 (14)0.0385 (14)0.0389 (15)0.0040 (11)0.0113 (12)0.0162 (12)
C80.0462 (14)0.0349 (13)0.0372 (15)0.0031 (11)0.0099 (12)0.0150 (12)
C90.0612 (17)0.0384 (14)0.0463 (16)0.0024 (13)0.0167 (14)0.0170 (13)
C9'0.0697 (18)0.0418 (15)0.0472 (17)0.0033 (13)0.0186 (14)0.0163 (14)
C100.0531 (15)0.0389 (14)0.0365 (14)0.0013 (12)0.0115 (12)0.0151 (12)
C10'0.0574 (16)0.0398 (14)0.0401 (15)0.0045 (13)0.0167 (13)0.0156 (13)
C110.0483 (15)0.0353 (14)0.0417 (15)0.0055 (12)0.0119 (12)0.0169 (12)
C11'0.0468 (15)0.0358 (14)0.0432 (16)0.0027 (12)0.0100 (12)0.0160 (12)
C120.0696 (18)0.0405 (14)0.0489 (17)0.0031 (13)0.0164 (14)0.0164 (13)
C12'0.0598 (17)0.0452 (15)0.0488 (17)0.0027 (13)0.0110 (14)0.0174 (13)
C13'0.094 (2)0.0668 (19)0.0442 (18)0.0098 (17)0.0102 (17)0.0126 (15)
C130.0741 (19)0.0524 (17)0.0506 (18)0.0046 (15)0.0149 (15)0.0105 (14)
N10.0539 (13)0.0379 (12)0.0395 (12)0.0002 (10)0.0126 (10)0.0182 (10)
N1'0.0547 (13)0.0400 (12)0.0417 (12)0.0007 (10)0.0154 (10)0.0184 (10)
N2'0.0680 (14)0.0413 (12)0.0389 (12)0.0031 (11)0.0175 (11)0.0150 (10)
N20.0614 (13)0.0371 (11)0.0368 (12)0.0003 (10)0.0166 (10)0.0136 (10)
N3'0.0663 (14)0.0437 (12)0.0412 (13)0.0063 (11)0.0148 (11)0.0164 (11)
N30.0602 (13)0.0403 (12)0.0422 (13)0.0013 (10)0.0180 (11)0.0166 (10)
O10.0716 (12)0.0426 (10)0.0428 (11)0.0008 (9)0.0246 (9)0.0125 (9)
O1'0.0788 (13)0.0477 (11)0.0407 (11)0.0064 (9)0.0234 (10)0.0127 (9)
O20.0948 (14)0.0418 (10)0.0390 (11)0.0025 (10)0.0261 (10)0.0101 (9)
O2'0.0966 (14)0.0463 (11)0.0427 (12)0.0063 (10)0.0302 (11)0.0094 (9)
O1W0.0823 (16)0.0636 (14)0.0546 (14)0.0030 (13)0.0150 (13)0.0196 (11)
S1'0.0820 (5)0.0521 (4)0.0441 (4)0.0073 (4)0.0147 (4)0.0227 (4)
S10.0800 (5)0.0487 (4)0.0507 (4)0.0004 (4)0.0288 (4)0.0214 (3)
Geometric parameters (Å, º) top
C1'—O1'1.376 (3)C9'—O1'1.338 (3)
C1'—C2'1.382 (3)C9'—H9'0.9300
C1'—C6'1.388 (3)C10—N11.269 (3)
C1—C21.376 (3)C10—H100.9300
C1—O11.380 (3)C10'—N1'1.273 (3)
C1—C61.385 (3)C10'—H10'0.9300
C2'—C3'1.366 (3)C11—N31.324 (3)
C2'—H2'0.9300C11—N21.356 (3)
C2—C31.370 (3)C11—S11.681 (2)
C2—H20.9300C11'—N3'1.324 (3)
C3—C41.382 (4)C11'—N2'1.354 (3)
C3—H30.9300C11'—S1'1.673 (2)
C3'—C4'1.392 (4)C12—N31.465 (3)
C3'—H3'0.9300C12—C131.500 (3)
C4'—C5'1.367 (3)C12—H12A0.9700
C4'—H4'0.9300C12—H12B0.9700
C4—C51.369 (3)C12'—N3'1.454 (3)
C4—H40.9300C12'—C13'1.501 (3)
C5—C61.396 (3)C12'—H12C0.9700
C5—H50.9300C12'—H12D0.9700
C5'—C6'1.398 (3)C13'—H13D0.9600
C5'—H5'0.9300C13'—H13E0.9600
C6—C71.461 (3)C13'—H13F0.9600
C6'—C7'1.458 (3)C13—H13A0.9600
C7—O21.230 (3)C13—H13B0.9600
C7—C81.452 (3)C13—H13C0.9600
C7'—O2'1.236 (3)N1—N21.367 (2)
C7'—C8'1.451 (3)N1'—N2'1.369 (2)
C8'—C9'1.350 (3)N2'—H2'A0.8600
C8'—C10'1.453 (3)N2—H2A0.8600
C8—C91.344 (3)N3'—H3'A0.8600
C8—C101.457 (3)N3—H3A0.8600
C9—O11.339 (2)O1W—H1WA0.866 (19)
C9—H90.9300O1W—H1WB0.847 (19)
O1'—C1'—C2'116.8 (2)N1—C10—C8121.4 (2)
O1'—C1'—C6'121.5 (2)N1—C10—H10119.3
C2'—C1'—C6'121.7 (2)C8—C10—H10119.3
C2—C1—O1116.5 (2)N1'—C10'—C8'121.9 (2)
C2—C1—C6122.3 (2)N1'—C10'—H10'119.0
O1—C1—C6121.3 (2)C8'—C10'—H10'119.0
C3'—C2'—C1'119.2 (2)N3—C11—N2116.8 (2)
C3'—C2'—H2'120.4N3—C11—S1124.54 (18)
C1'—C2'—H2'120.4N2—C11—S1118.62 (18)
C3—C2—C1118.8 (2)N3'—C11'—N2'116.0 (2)
C3—C2—H2120.6N3'—C11'—S1'123.86 (18)
C1—C2—H2120.6N2'—C11'—S1'120.18 (19)
C2—C3—C4120.5 (2)N3—C12—C13111.8 (2)
C2—C3—H3119.8N3—C12—H12A109.2
C4—C3—H3119.8C13—C12—H12A109.2
C2'—C3'—C4'120.6 (2)N3—C12—H12B109.2
C2'—C3'—H3'119.7C13—C12—H12B109.2
C4'—C3'—H3'119.7H12A—C12—H12B107.9
C5'—C4'—C3'119.9 (2)N3'—C12'—C13'110.4 (2)
C5'—C4'—H4'120.1N3'—C12'—H12C109.6
C3'—C4'—H4'120.1C13'—C12'—H12C109.6
C5—C4—C3120.3 (2)N3'—C12'—H12D109.6
C5—C4—H4119.8C13'—C12'—H12D109.6
C3—C4—H4119.8H12C—C12'—H12D108.1
C4—C5—C6120.5 (2)C12'—C13'—H13D109.5
C4—C5—H5119.7C12'—C13'—H13E109.5
C6—C5—H5119.7H13D—C13'—H13E109.5
C4'—C5'—C6'120.8 (2)C12'—C13'—H13F109.5
C4'—C5'—H5'119.6H13D—C13'—H13F109.5
C6'—C5'—H5'119.6H13E—C13'—H13F109.5
C1—C6—C5117.6 (2)C12—C13—H13A109.5
C1—C6—C7120.0 (2)C12—C13—H13B109.5
C5—C6—C7122.3 (2)H13A—C13—H13B109.5
C1'—C6'—C5'117.9 (2)C12—C13—H13C109.5
C1'—C6'—C7'119.7 (2)H13A—C13—H13C109.5
C5'—C6'—C7'122.4 (2)H13B—C13—H13C109.5
O2—C7—C8122.2 (2)C10—N1—N2116.40 (19)
O2—C7—C6122.6 (2)C10'—N1'—N2'116.1 (2)
C8—C7—C6115.2 (2)C11'—N2'—N1'120.9 (2)
O2'—C7'—C8'121.7 (2)C11'—N2'—H2'A119.6
O2'—C7'—C6'122.7 (2)N1'—N2'—H2'A119.6
C8'—C7'—C6'115.7 (2)C11—N2—N1120.95 (19)
C9'—C8'—C7'119.3 (2)C11—N2—H2A119.5
C9'—C8'—C10'122.0 (2)N1—N2—H2A119.5
C7'—C8'—C10'118.7 (2)C11'—N3'—C12'123.2 (2)
C9—C8—C7119.7 (2)C11'—N3'—H3'A118.4
C9—C8—C10121.4 (2)C12'—N3'—H3'A118.4
C7—C8—C10119.0 (2)C11—N3—C12123.1 (2)
O1—C9—C8125.0 (2)C11—N3—H3A118.5
O1—C9—H9117.5C12—N3—H3A118.5
C8—C9—H9117.5C9—O1—C1118.76 (18)
O1'—C9'—C8'124.9 (2)C9'—O1'—C1'118.85 (19)
O1'—C9'—H9'117.5H1WA—O1W—H1WB106 (4)
C8'—C9'—H9'117.5
O1'—C1'—C2'—C3'179.8 (2)C6'—C7'—C8'—C10'179.0 (2)
C6'—C1'—C2'—C3'0.1 (4)O2—C7—C8—C9176.4 (2)
O1—C1—C2—C3179.9 (2)C6—C7—C8—C92.9 (3)
C6—C1—C2—C30.5 (4)O2—C7—C8—C102.5 (4)
C1—C2—C3—C40.2 (4)C6—C7—C8—C10178.11 (19)
C1'—C2'—C3'—C4'0.3 (4)C7—C8—C9—O10.9 (4)
C2'—C3'—C4'—C5'0.6 (4)C10—C8—C9—O1179.8 (2)
C2—C3—C4—C51.1 (4)C7'—C8'—C9'—O1'0.3 (4)
C3—C4—C5—C61.3 (4)C10'—C8'—C9'—O1'180.0 (2)
C3'—C4'—C5'—C6'0.4 (4)C9—C8—C10—N10.4 (4)
C2—C1—C6—C50.3 (4)C7—C8—C10—N1178.5 (2)
O1—C1—C6—C5179.9 (2)C9'—C8'—C10'—N1'1.7 (4)
C2—C1—C6—C7177.9 (2)C7'—C8'—C10'—N1'177.9 (2)
O1—C1—C6—C71.7 (4)C8—C10—N1—N2179.22 (18)
C4—C5—C6—C10.6 (4)C8'—C10'—N1'—N2'177.44 (19)
C4—C5—C6—C7178.8 (2)N3'—C11'—N2'—N1'5.3 (3)
O1'—C1'—C6'—C5'179.6 (2)S1'—C11'—N2'—N1'174.29 (16)
C2'—C1'—C6'—C5'0.2 (4)C10'—N1'—N2'—C11'179.2 (2)
O1'—C1'—C6'—C7'1.1 (4)N3—C11—N2—N12.7 (3)
C2'—C1'—C6'—C7'179.0 (2)S1—C11—N2—N1177.31 (16)
C4'—C5'—C6'—C1'0.0 (4)C10—N1—N2—C11175.7 (2)
C4'—C5'—C6'—C7'179.3 (2)N2'—C11'—N3'—C12'177.6 (2)
C1—C6—C7—O2176.0 (2)S1'—C11'—N3'—C12'2.8 (3)
C5—C6—C7—O22.1 (4)C13'—C12'—N3'—C11'174.1 (2)
C1—C6—C7—C83.3 (3)N2—C11—N3—C12177.1 (2)
C5—C6—C7—C8178.5 (2)S1—C11—N3—C122.8 (3)
C1'—C6'—C7'—O2'178.0 (2)C13—C12—N3—C11168.4 (2)
C5'—C6'—C7'—O2'1.2 (4)C8—C9—O1—C11.0 (4)
C1'—C6'—C7'—C8'1.7 (3)C2—C1—O1—C9179.8 (2)
C5'—C6'—C7'—C8'179.1 (2)C6—C1—O1—C90.5 (3)
O2'—C7'—C8'—C9'178.4 (2)C8'—C9'—O1'—C1'0.4 (4)
C6'—C7'—C8'—C9'1.3 (3)C2'—C1'—O1'—C9'179.9 (2)
O2'—C7'—C8'—C10'1.3 (3)C6'—C1'—O1'—C9'0.1 (3)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N2—H2A···O2i0.862.092.900 (3)158
N2—H2A···O2i0.862.142.938 (2)155
N3—H3A···O1W0.862.313.131 (3)161
O1W—H1WB···S10.85 (3)2.47 (3)3.322 (2)178 (4)
O1W—H1WA···S1ii0.87 (2)2.52 (2)3.370 (3)167 (4)
C9—H9···O1W0.932.303.213 (4)169
C10—H10···O2i0.932.513.297 (3)143
C10—H10···O2i0.932.523.302 (3)142
Symmetry codes: (i) x+1, y+1, z+1; (ii) x+1, y, z+1.
(II) (E)-2-[(4-Chloro-2H-chromen-3-yl)methylidene]-N-phenylhydrazinecarbothioamide top
Crystal data top
C17H14ClN3OSF(000) = 712
Mr = 343.82Dx = 1.431 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 3902 reflections
a = 10.3176 (3) Åθ = 1.5–28.4°
b = 5.7589 (2) ŵ = 0.38 mm1
c = 27.0364 (7) ÅT = 296 K
β = 96.564 (2)°Block, colourless
V = 1595.92 (8) Å30.30 × 0.25 × 0.20 mm
Z = 4
Data collection top
Bruker Kappa APEXII CCD
diffractometer
3902 independent reflections
Radiation source: fine-focus sealed tube2089 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.050
ω and ϕ scansθmax = 28.4°, θmin = 1.5°
Absorption correction: multi-scan
(SADABS; Bruker, 2008)
h = 1313
Tmin = 0.893, Tmax = 0.927k = 77
14667 measured reflectionsl = 3535
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.047Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.124H-atom parameters constrained
S = 0.99 w = 1/[σ2(Fo2) + (0.053P)2 + 0.0466P]
where P = (Fo2 + 2Fc2)/3
3902 reflections(Δ/σ)max < 0.001
208 parametersΔρmax = 0.23 e Å3
0 restraintsΔρmin = 0.20 e Å3
Crystal data top
C17H14ClN3OSV = 1595.92 (8) Å3
Mr = 343.82Z = 4
Monoclinic, P21/cMo Kα radiation
a = 10.3176 (3) ŵ = 0.38 mm1
b = 5.7589 (2) ÅT = 296 K
c = 27.0364 (7) Å0.30 × 0.25 × 0.20 mm
β = 96.564 (2)°
Data collection top
Bruker Kappa APEXII CCD
diffractometer
3902 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2008)
2089 reflections with I > 2σ(I)
Tmin = 0.893, Tmax = 0.927Rint = 0.050
14667 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0470 restraints
wR(F2) = 0.124H-atom parameters constrained
S = 0.99Δρmax = 0.23 e Å3
3902 reflectionsΔρmin = 0.20 e Å3
208 parameters
Special details top

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
C10.4918 (3)0.2996 (5)0.10347 (12)0.0665 (8)
H10.45910.38790.07890.080*
C20.4637 (3)0.3582 (5)0.15313 (13)0.0749 (9)
H20.41200.48720.16210.090*
C30.5116 (3)0.2267 (6)0.18911 (12)0.0759 (9)
H30.49210.26690.22240.091*
C40.5882 (3)0.0365 (5)0.17654 (10)0.0622 (7)
H40.61930.05180.20150.075*
C50.6198 (2)0.0260 (4)0.12710 (8)0.0457 (6)
C60.5690 (2)0.1087 (4)0.09079 (10)0.0531 (6)
C70.6397 (3)0.1634 (4)0.02714 (9)0.0563 (7)
H7A0.68810.16120.00580.068*
H7B0.56080.25290.02510.068*
C80.7205 (2)0.2839 (4)0.06223 (8)0.0456 (6)
C90.7056 (2)0.2157 (4)0.11002 (8)0.0446 (6)
C100.7994 (2)0.4764 (4)0.04404 (9)0.0490 (6)
H100.84490.56190.06560.059*
C110.8930 (2)0.7961 (4)0.06460 (8)0.0458 (6)
C120.8439 (2)0.6739 (4)0.14825 (8)0.0430 (6)
C130.8894 (2)0.4948 (4)0.17950 (9)0.0497 (6)
H130.92690.36420.16670.060*
C140.8788 (2)0.5110 (5)0.22994 (9)0.0538 (7)
H140.90880.39020.25100.065*
C150.8245 (2)0.7033 (5)0.24904 (9)0.0563 (7)
H150.81890.71460.28310.068*
C160.7784 (2)0.8787 (5)0.21777 (9)0.0580 (7)
H160.74071.00860.23070.070*
C170.7870 (2)0.8659 (4)0.16725 (9)0.0520 (6)
H170.75470.98560.14630.062*
N10.80705 (19)0.5309 (3)0.00252 (7)0.0496 (5)
N20.87785 (19)0.7257 (4)0.01625 (7)0.0533 (5)
H2A0.91300.80410.00580.064*
N30.84862 (19)0.6451 (3)0.09615 (7)0.0520 (5)
H3A0.81960.51540.08360.062*
O10.60439 (18)0.0669 (3)0.04098 (6)0.0662 (5)
Cl10.79000 (7)0.35034 (13)0.15374 (2)0.0649 (2)
S10.96413 (7)1.05093 (12)0.07927 (2)0.0565 (2)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C10.0604 (16)0.0548 (19)0.086 (2)0.0045 (14)0.0171 (15)0.0053 (17)
C20.0523 (16)0.070 (2)0.101 (3)0.0045 (15)0.0005 (16)0.030 (2)
C30.0651 (18)0.092 (3)0.068 (2)0.0024 (18)0.0059 (15)0.0280 (19)
C40.0606 (16)0.074 (2)0.0509 (16)0.0048 (15)0.0005 (13)0.0125 (15)
C50.0467 (13)0.0493 (15)0.0410 (13)0.0075 (11)0.0046 (10)0.0025 (12)
C60.0534 (14)0.0502 (17)0.0564 (16)0.0037 (12)0.0089 (12)0.0055 (13)
C70.0773 (17)0.0502 (17)0.0437 (14)0.0077 (14)0.0160 (12)0.0006 (13)
C80.0527 (13)0.0474 (15)0.0375 (13)0.0009 (12)0.0093 (10)0.0022 (12)
C90.0500 (13)0.0473 (15)0.0374 (12)0.0027 (11)0.0096 (10)0.0037 (11)
C100.0584 (15)0.0506 (16)0.0387 (13)0.0022 (12)0.0088 (11)0.0028 (12)
C110.0528 (14)0.0441 (15)0.0416 (13)0.0011 (11)0.0103 (11)0.0004 (12)
C120.0496 (13)0.0409 (15)0.0397 (13)0.0090 (11)0.0099 (10)0.0015 (11)
C130.0582 (15)0.0412 (15)0.0522 (15)0.0008 (12)0.0167 (12)0.0038 (12)
C140.0631 (16)0.0518 (17)0.0479 (15)0.0023 (13)0.0123 (12)0.0063 (13)
C150.0646 (16)0.0636 (19)0.0428 (14)0.0140 (14)0.0156 (12)0.0079 (14)
C160.0673 (16)0.0512 (17)0.0589 (17)0.0020 (13)0.0211 (13)0.0143 (14)
C170.0623 (16)0.0413 (15)0.0539 (15)0.0029 (12)0.0128 (12)0.0021 (13)
N10.0624 (13)0.0435 (13)0.0433 (12)0.0043 (10)0.0083 (9)0.0006 (10)
N20.0713 (13)0.0527 (14)0.0368 (11)0.0131 (11)0.0101 (9)0.0021 (10)
N30.0789 (14)0.0406 (12)0.0386 (11)0.0136 (11)0.0148 (10)0.0063 (10)
O10.0928 (13)0.0550 (13)0.0525 (11)0.0160 (10)0.0162 (10)0.0034 (10)
Cl10.0802 (5)0.0762 (5)0.0411 (4)0.0098 (4)0.0189 (3)0.0059 (3)
S10.0796 (5)0.0433 (4)0.0488 (4)0.0101 (3)0.0162 (3)0.0023 (3)
Geometric parameters (Å, º) top
C1—C61.378 (3)C10—H100.9300
C1—C21.383 (4)C11—N31.335 (3)
C1—H10.9300C11—N21.361 (3)
C2—C31.369 (4)C11—S11.668 (2)
C2—H20.9300C12—C171.378 (3)
C3—C41.371 (4)C12—C131.381 (3)
C3—H30.9300C12—N31.425 (3)
C4—C51.387 (3)C13—C141.384 (3)
C4—H40.9300C13—H130.9300
C5—C61.399 (3)C14—C151.369 (3)
C5—C91.448 (3)C14—H140.9300
C6—O11.375 (3)C15—C161.367 (3)
C7—O11.414 (3)C15—H150.9300
C7—C81.503 (3)C16—C171.381 (3)
C7—H7A0.9700C16—H160.9300
C7—H7B0.9700C17—H170.9300
C8—C91.343 (3)N1—N21.367 (3)
C8—C101.429 (3)N2—H2A0.8600
C9—Cl11.730 (2)N3—H3A0.8600
C10—N11.291 (3)
C6—C1—C2119.2 (3)N1—C10—H10120.2
C6—C1—H1120.4C8—C10—H10120.2
C2—C1—H1120.4N3—C11—N2114.2 (2)
C3—C2—C1120.1 (3)N3—C11—S1126.51 (18)
C3—C2—H2119.9N2—C11—S1119.31 (18)
C1—C2—H2119.9C17—C12—C13120.0 (2)
C2—C3—C4120.7 (3)C17—C12—N3121.7 (2)
C2—C3—H3119.6C13—C12—N3118.1 (2)
C4—C3—H3119.6C12—C13—C14119.5 (2)
C3—C4—C5120.8 (3)C12—C13—H13120.2
C3—C4—H4119.6C14—C13—H13120.2
C5—C4—H4119.6C15—C14—C13120.6 (2)
C4—C5—C6117.8 (2)C15—C14—H14119.7
C4—C5—C9124.8 (2)C13—C14—H14119.7
C6—C5—C9117.3 (2)C16—C15—C14119.5 (2)
O1—C6—C1117.7 (3)C16—C15—H15120.2
O1—C6—C5120.8 (2)C14—C15—H15120.2
C1—C6—C5121.3 (3)C15—C16—C17121.0 (2)
O1—C7—C8114.2 (2)C15—C16—H16119.5
O1—C7—H7A108.7C17—C16—H16119.5
C8—C7—H7A108.7C12—C17—C16119.3 (2)
O1—C7—H7B108.7C12—C17—H17120.3
C8—C7—H7B108.7C16—C17—H17120.3
H7A—C7—H7B107.6C10—N1—N2115.8 (2)
C9—C8—C10123.8 (2)C11—N2—N1120.31 (19)
C9—C8—C7117.5 (2)C11—N2—H2A119.8
C10—C8—C7118.4 (2)N1—N2—H2A119.8
C8—C9—C5121.8 (2)C11—N3—C12127.5 (2)
C8—C9—Cl1121.0 (2)C11—N3—H3A116.3
C5—C9—Cl1117.22 (17)C12—N3—H3A116.3
N1—C10—C8119.6 (2)C6—O1—C7117.04 (19)
C6—C1—C2—C30.3 (4)C9—C8—C10—N1179.3 (2)
C1—C2—C3—C40.2 (4)C7—C8—C10—N15.2 (3)
C2—C3—C4—C50.6 (4)C17—C12—C13—C140.8 (3)
C3—C4—C5—C61.2 (4)N3—C12—C13—C14176.0 (2)
C3—C4—C5—C9176.4 (2)C12—C13—C14—C150.4 (4)
C2—C1—C6—O1174.5 (2)C13—C14—C15—C161.1 (4)
C2—C1—C6—C50.3 (4)C14—C15—C16—C170.7 (4)
C4—C5—C6—O1175.1 (2)C13—C12—C17—C161.2 (3)
C9—C5—C6—O12.7 (3)N3—C12—C17—C16176.3 (2)
C4—C5—C6—C11.1 (3)C15—C16—C17—C120.5 (4)
C9—C5—C6—C1176.8 (2)C8—C10—N1—N2176.1 (2)
O1—C7—C8—C927.7 (3)N3—C11—N2—N18.2 (3)
O1—C7—C8—C10157.8 (2)S1—C11—N2—N1172.62 (17)
C10—C8—C9—C5177.1 (2)C10—N1—N2—C11179.3 (2)
C7—C8—C9—C52.9 (3)N2—C11—N3—C12176.3 (2)
C10—C8—C9—Cl13.5 (3)S1—C11—N3—C124.7 (4)
C7—C8—C9—Cl1177.74 (17)C17—C12—N3—C1152.3 (3)
C4—C5—C9—C8172.2 (2)C13—C12—N3—C11132.6 (2)
C6—C5—C9—C810.1 (3)C1—C6—O1—C7157.2 (2)
C4—C5—C9—Cl18.4 (3)C5—C6—O1—C728.6 (3)
C6—C5—C9—Cl1169.29 (17)C8—C7—O1—C640.3 (3)
Hydrogen-bond geometry (Å, º) top
Cg1 is the centroid of the C12–C17 phenyl ring.
D—H···AD—HH···AD···AD—H···A
N2—H2A···S1i0.862.613.456 (2)167
C2—H2···Cg1ii0.932.863.697 (3)151
Symmetry codes: (i) x+2, y+2, z; (ii) x+1, y, z.
Hydrogen-bond geometry (Å, º) for (I) top
D—H···AD—HH···AD···AD—H···A
N2'—H2'A···O2i0.862.092.900 (3)158
N2—H2A···O2'i0.862.142.938 (2)155
N3—H3A···O1W0.862.313.131 (3)161
O1W—H1WB···S1'0.85 (3)2.47 (3)3.322 (2)178 (4)
O1W—H1WA···S1ii0.87 (2)2.52 (2)3.370 (3)167 (4)
C9—H9···O1W0.932.303.213 (4)169
C10—H10···O2'i0.932.513.297 (3)143
C10'—H10'···O2i0.932.523.302 (3)142
Symmetry codes: (i) x+1, y+1, z+1; (ii) x+1, y, z+1.
Hydrogen-bond geometry (Å, º) for (II) top
Cg1 is the centroid of the C12–C17 phenyl ring.
D—H···AD—HH···AD···AD—H···A
N2—H2A···S1i0.862.613.456 (2)167
C2—H2···Cg1ii0.932.863.697 (3)151
Symmetry codes: (i) x+2, y+2, z; (ii) x+1, y, z.

Experimental details

(I)(II)
Crystal data
Chemical formulaC13H13N3O2S·0.5H2OC17H14ClN3OS
Mr284.33343.82
Crystal system, space groupTriclinic, P1Monoclinic, P21/c
Temperature (K)296296
a, b, c (Å)8.2858 (2), 12.5422 (4), 14.3520 (5)10.3176 (3), 5.7589 (2), 27.0364 (7)
α, β, γ (°)114.379 (2), 95.751 (3), 94.200 (2)90, 96.564 (2), 90
V3)1340.81 (7)1595.92 (8)
Z44
Radiation typeMo KαMo Kα
µ (mm1)0.250.38
Crystal size (mm)0.35 × 0.30 × 0.250.30 × 0.25 × 0.20
Data collection
DiffractometerBruker Kappa APEXII CCD
diffractometer
Bruker Kappa APEXII CCD
diffractometer
Absorption correctionMulti-scan
(SADABS; Bruker, 2008)
Multi-scan
(SADABS; Bruker, 2008)
Tmin, Tmax0.917, 0.9400.893, 0.927
No. of measured, independent and
observed [I > 2σ(I)] reflections
19142, 5579, 2764 14667, 3902, 2089
Rint0.0460.050
(sin θ/λ)max1)0.6310.668
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.048, 0.137, 0.94 0.047, 0.124, 0.99
No. of reflections55793902
No. of parameters362208
No. of restraints20
H-atom treatmentH atoms treated by a mixture of independent and constrained refinementH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.26, 0.240.23, 0.20

Computer programs: APEX2 (Bruker, 2008), SAINT (Bruker, 2008), SHELXS97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2008), SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009), SHELXL97 (Sheldrick, 2008) and PLATON Spek, 2009).

 

Acknowledgements

The authors thank Professor D. Velmurugan and Mr T. Srinivasan, CAS in Crystallography and Biophysics, University of Madras, Chennai, India, for the X-ray intensity data collection.

References

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ISSN: 2056-9890
Volume 71| Part 3| March 2015| Pages 305-308
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