organic compounds
Z)-2-(5-fluoro-2-oxoindolin-3-ylidene)hydrazinecarbothioamide
of (aEscola de Química e Alimentos, Universidade Federal do Rio Grande, Av. Itália km 08, Campus Carreiros, 96203-900 Rio Grande-RS, Brazil, bDepartamento de Química, Universidade Federal de Santa Maria, Av. Roraima s/n, Campus Universitário, 97105-900 Santa Maria-RS, Brazil, and cDepartamento de Química, Universidade Federal de Sergipe, Av. Marechal Rondon s/n, Campus Universitário, 49100-000 São Cristóvão-SE, Brazil
*Correspondence e-mail: vanessa.gervini@gmail.com
In the title compound, C9H7FN4OS, the molecules are almost planar, with an r.m.s. deviation of 0.047 (3) Å from the mean plane defined by the non-H atoms and a maximum deviation of 0.123 (2) Å for the amine N atom. The torsion angle for the N—N—C—S unit is 176.57 (19)°. In the crystal, molecules are linked into inversion dimers via pairs of N—H⋯F hydrogen bonds and, additionally, through N—H⋯O and N—H⋯S hydrogen bonds, building a two-dimensional hydrogen-bond network parallel to the (103) plane. An intramolecular N—H⋯O interaction is also observed.
Keywords: crystal structure; thiosemicarbazone derivative; isatin; two-dimensional hydrogen-bonding network; natural product.
CCDC reference: 1062930
1. Related literature
For one of the first reports of the synthesis of thiosemicarbazone derivatives, see: Freund & Schander (1902). For the synthesis and of a similar compound, namely (Z)-2-(5-fluoro-2-oxoindolin-3-ylidene)-N-phenylhydrazinecarbothioamide, see: Ali et al. (2012). For a review on hydrogen bonding, see: Steiner (2002).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).
Supporting information
CCDC reference: 1062930
10.1107/S2056989015008609/lr2136sup1.cif
contains datablocks I, publication_text. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015008609/lr2136Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015008609/lr2136Isup3.cml
\ Concerning our interest on the study of the supramolecular chemistry of thiosemicarbazone derivatives from natural products, we report herein the
of the (Z)-2-(5-fluoro-2-oxoindolin-3-ylidene)-N-\ hydrazinecarbothioamide, a thiosemicarbazone derivative from 5-fluorisatin (Fig. 1). The molecular structure of the title compound matches the and itsn't planar. The maximum deviation from the mean plane of the non-H atoms amounts to 0.1229 (22) Å for N4 and the torsion angle for the N2–N3–C9–S1–entity amounts to 176.57 (19)°. All bond distances and angles are consistent with literature data of a similiar compound, (Z)-2-(5-fluoro-2-oxoindolin-3-ylidene)-N-\ phenylhydrazinecarbothioamide (Ali et al., 2012). In the crystal of the title compound, the molecules are linked into dimers via pairs of N4—H4A···F1 hydrogen bonds. The dimers are linked into a two dimensional hydrogen bonded network through the N1—H1···S1, O1···H4B—N4 and S1···H1—N1 hydrogen bonds. In addition, an intramolecular N3—H3···O1 interaction is also observed and the O1 atom builds a bifurcated hydrogen bonding with the H3 and H4B atoms (Table 1, Fig. 2 and Steiner, 2002). The 2-D H-bonded polymers are stacked along the a-axis without any strong or relevant intermolecular interactions between themselves. The molecules of the title compound are also related by two fold screw axis parallel to the b-direction (Fig. 2)Starting materials were commercially available and were used without further purification. The synthesis was adapted from a procedure reported previously (Freund & Schander, 1902). The hydrochloric acid catalyzed reaction of 5-fluorisatin (8,83 mmol) and thiosemicarbazide (8,83 mmol) in ethanol (50 ml) was refluxed for 6 h. After cooling and filtering, the title compound was obtained. Crystals suitable for X-ray diffraction of title compound were obtained in ethanol by the slow evaporation of the solvent.
All aromatic H atoms were positioned with idealized geometry and were refined isotropic with Uiso(H) = 1.2 Ueq(C) using a riding model with C—H = 0.93 Å. The other H atoms were located in difference map but were positioned with idealized geometry and refined isotropic with Uiso(H) = 1.2 Ueq(N) using a riding model with N—H = 0.86 Å.
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).Fig. 1. : The molecular structure of the title compound with labeling and displacement ellipsoids drawn at the 40% probability level. H atoms are drawn isotropically. | |
Fig. 2. : A view, down the c axis, of the packing of the title compound showing the two dimensional hydrogen-bond network. Hydrogen bonds are shown as dashed lines. |
C9H7FN4OS | F(000) = 488 |
Mr = 238.25 | Dx = 1.559 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 1744 reflections |
a = 4.7151 (1) Å | θ = 2.6–22.4° |
b = 15.4517 (4) Å | µ = 0.32 mm−1 |
c = 13.9645 (4) Å | T = 293 K |
β = 93.921 (2)° | Block, orange |
V = 1015.02 (4) Å3 | 0.44 × 0.16 × 0.11 mm |
Z = 4 |
Bruker X8 Kappa APEXII diffractometer | 2239 independent reflections |
Radiation source: fine-focus sealed tube, Bruker X8 Kappa APEX II | 1390 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.064 |
Detector resolution: 8.3333 pixels mm-1 | θmax = 27.2°, θmin = 2.0° |
0.5 ° ω & ϕ scans | h = −3→6 |
Absorption correction: numerical (SADABS; Bruker 2009) | k = −19→19 |
Tmin = 0.954, Tmax = 0.966 | l = −17→17 |
12531 measured reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.049 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.140 | H-atom parameters constrained |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0642P)2 + 0.1779P] where P = (Fo2 + 2Fc2)/3 |
2239 reflections | (Δ/σ)max < 0.001 |
145 parameters | Δρmax = 0.20 e Å−3 |
0 restraints | Δρmin = −0.29 e Å−3 |
C9H7FN4OS | V = 1015.02 (4) Å3 |
Mr = 238.25 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 4.7151 (1) Å | µ = 0.32 mm−1 |
b = 15.4517 (4) Å | T = 293 K |
c = 13.9645 (4) Å | 0.44 × 0.16 × 0.11 mm |
β = 93.921 (2)° |
Bruker X8 Kappa APEXII diffractometer | 2239 independent reflections |
Absorption correction: numerical (SADABS; Bruker 2009) | 1390 reflections with I > 2σ(I) |
Tmin = 0.954, Tmax = 0.966 | Rint = 0.064 |
12531 measured reflections |
R[F2 > 2σ(F2)] = 0.049 | 0 restraints |
wR(F2) = 0.140 | H-atom parameters constrained |
S = 1.01 | Δρmax = 0.20 e Å−3 |
2239 reflections | Δρmin = −0.29 e Å−3 |
145 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.02917 (16) | 0.03364 (5) | 0.86791 (6) | 0.0558 (3) | |
O1 | 0.3669 (4) | 0.28879 (12) | 0.73620 (14) | 0.0506 (5) | |
F1 | 1.2874 (4) | 0.11434 (14) | 0.40106 (15) | 0.0840 (7) | |
N3 | 0.3467 (4) | 0.10914 (14) | 0.74614 (16) | 0.0452 (6) | |
H3 | 0.2958 | 0.1572 | 0.7708 | 0.054* | |
N1 | 0.6921 (4) | 0.32661 (14) | 0.62633 (16) | 0.0472 (6) | |
H1 | 0.6864 | 0.3820 | 0.6319 | 0.057* | |
N2 | 0.5310 (4) | 0.10861 (14) | 0.67623 (16) | 0.0433 (5) | |
N4 | 0.3217 (5) | −0.03703 (14) | 0.73181 (19) | 0.0587 (7) | |
H4A | 0.4327 | −0.0322 | 0.6857 | 0.070* | |
H4B | 0.2628 | −0.0872 | 0.7481 | 0.070* | |
C1 | 0.8212 (5) | 0.19327 (16) | 0.57361 (19) | 0.0411 (6) | |
C8 | 0.6233 (5) | 0.18194 (16) | 0.64722 (19) | 0.0402 (6) | |
C7 | 0.5406 (5) | 0.27122 (16) | 0.67762 (19) | 0.0413 (6) | |
C6 | 0.8603 (5) | 0.28250 (17) | 0.56272 (19) | 0.0412 (6) | |
C5 | 1.0436 (6) | 0.31552 (19) | 0.4996 (2) | 0.0502 (7) | |
H5 | 1.0706 | 0.3748 | 0.4936 | 0.060* | |
C3 | 1.1423 (6) | 0.1702 (2) | 0.4555 (2) | 0.0549 (8) | |
C2 | 0.9634 (5) | 0.13570 (19) | 0.5189 (2) | 0.0507 (7) | |
H2 | 0.9393 | 0.0762 | 0.5246 | 0.061* | |
C9 | 0.2420 (5) | 0.03249 (16) | 0.7774 (2) | 0.0431 (6) | |
C4 | 1.1869 (6) | 0.2569 (2) | 0.4450 (2) | 0.0553 (8) | |
H4 | 1.3129 | 0.2766 | 0.4015 | 0.066* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0683 (5) | 0.0365 (4) | 0.0666 (5) | −0.0055 (3) | 0.0331 (4) | −0.0047 (3) |
O1 | 0.0629 (11) | 0.0349 (10) | 0.0560 (12) | 0.0082 (9) | 0.0181 (10) | −0.0011 (9) |
F1 | 0.0816 (12) | 0.0853 (15) | 0.0906 (15) | 0.0084 (11) | 0.0470 (11) | −0.0180 (12) |
N3 | 0.0534 (12) | 0.0273 (11) | 0.0571 (15) | 0.0001 (9) | 0.0209 (11) | −0.0011 (10) |
N1 | 0.0558 (13) | 0.0259 (11) | 0.0614 (15) | −0.0024 (9) | 0.0153 (12) | 0.0024 (10) |
N2 | 0.0457 (11) | 0.0331 (12) | 0.0526 (14) | 0.0004 (9) | 0.0150 (10) | −0.0001 (10) |
N4 | 0.0721 (15) | 0.0292 (12) | 0.0798 (18) | −0.0060 (11) | 0.0412 (14) | −0.0022 (12) |
C1 | 0.0408 (13) | 0.0347 (14) | 0.0484 (16) | 0.0003 (11) | 0.0082 (12) | −0.0001 (11) |
C8 | 0.0407 (13) | 0.0317 (14) | 0.0486 (16) | 0.0020 (11) | 0.0064 (12) | 0.0014 (11) |
C7 | 0.0489 (14) | 0.0289 (13) | 0.0466 (15) | 0.0025 (11) | 0.0062 (12) | 0.0000 (11) |
C6 | 0.0422 (13) | 0.0339 (14) | 0.0478 (16) | −0.0016 (11) | 0.0037 (12) | 0.0036 (11) |
C5 | 0.0495 (15) | 0.0470 (17) | 0.0544 (18) | −0.0081 (13) | 0.0065 (13) | 0.0096 (14) |
C3 | 0.0513 (16) | 0.060 (2) | 0.0551 (19) | 0.0032 (14) | 0.0170 (14) | −0.0062 (15) |
C2 | 0.0497 (14) | 0.0437 (16) | 0.0604 (19) | 0.0022 (13) | 0.0157 (13) | −0.0020 (14) |
C9 | 0.0452 (14) | 0.0314 (13) | 0.0537 (17) | −0.0003 (11) | 0.0106 (12) | 0.0004 (12) |
C4 | 0.0484 (15) | 0.068 (2) | 0.0514 (18) | −0.0079 (14) | 0.0127 (14) | 0.0075 (15) |
S1—C9 | 1.667 (3) | C1—C2 | 1.377 (4) |
O1—C7 | 1.227 (3) | C1—C6 | 1.401 (4) |
F1—C3 | 1.365 (3) | C1—C8 | 1.446 (3) |
N3—N2 | 1.351 (3) | C8—C7 | 1.503 (3) |
N3—C9 | 1.366 (3) | C7—O1 | 1.227 (3) |
N3—H3 | 0.8600 | C6—C5 | 1.374 (3) |
N1—C7 | 1.351 (3) | C5—C4 | 1.388 (4) |
N1—C6 | 1.407 (3) | C5—H5 | 0.9300 |
N1—H1 | 0.8600 | C3—C4 | 1.365 (4) |
N2—C8 | 1.289 (3) | C3—C2 | 1.371 (4) |
N4—C9 | 1.316 (3) | C2—H2 | 0.9300 |
N4—H4A | 0.8600 | C4—H4 | 0.9300 |
N4—H4B | 0.8600 | ||
N2—N3—C9 | 119.3 (2) | C5—C6—C1 | 121.9 (2) |
N2—N3—H3 | 120.3 | C5—C6—N1 | 129.2 (3) |
C9—N3—H3 | 120.3 | C1—C6—N1 | 108.9 (2) |
C7—N1—C6 | 111.7 (2) | C6—C5—C4 | 117.4 (3) |
C7—N1—H1 | 124.2 | C6—C5—H5 | 121.3 |
C6—N1—H1 | 124.2 | C4—C5—H5 | 121.3 |
C8—N2—N3 | 118.0 (2) | F1—C3—C4 | 118.3 (3) |
C9—N4—H4A | 120.0 | F1—C3—C2 | 117.9 (3) |
C9—N4—H4B | 120.0 | C4—C3—C2 | 123.8 (3) |
H4A—N4—H4B | 120.0 | C3—C2—C1 | 116.8 (3) |
C2—C1—C6 | 120.2 (2) | C3—C2—H2 | 121.6 |
C2—C1—C8 | 132.8 (2) | C1—C2—H2 | 121.6 |
C6—C1—C8 | 107.0 (2) | N4—C9—N3 | 115.6 (2) |
N2—C8—C1 | 125.3 (2) | N4—C9—S1 | 125.6 (2) |
N2—C8—C7 | 128.2 (2) | N3—C9—S1 | 118.83 (19) |
C1—C8—C7 | 106.4 (2) | C3—C4—C5 | 119.8 (3) |
O1—C7—N1 | 127.9 (2) | C3—C4—H4 | 120.1 |
O1—C7—C8 | 126.1 (2) | C5—C4—H4 | 120.1 |
N1—C7—C8 | 106.0 (2) | ||
C9—N3—N2—C8 | 179.0 (2) | C2—C1—C6—N1 | 179.9 (2) |
N3—N2—C8—C1 | 179.8 (2) | C8—C1—C6—N1 | −0.5 (3) |
N3—N2—C8—C7 | −3.6 (4) | C7—N1—C6—C5 | −179.5 (3) |
C2—C1—C8—N2 | −1.7 (5) | C7—N1—C6—C1 | −1.0 (3) |
C6—C1—C8—N2 | 178.8 (3) | C1—C6—C5—C4 | 1.1 (4) |
C2—C1—C8—C7 | −178.9 (3) | N1—C6—C5—C4 | 179.5 (3) |
C6—C1—C8—C7 | 1.5 (3) | F1—C3—C2—C1 | 179.4 (3) |
C6—N1—C7—O1 | −177.1 (3) | C4—C3—C2—C1 | 0.6 (5) |
C6—N1—C7—C8 | 1.9 (3) | C6—C1—C2—C3 | 0.5 (4) |
N2—C8—C7—O1 | −0.2 (5) | C8—C1—C2—C3 | −178.9 (3) |
C1—C8—C7—O1 | 176.9 (3) | N2—N3—C9—N4 | −3.3 (4) |
N2—C8—C7—N1 | −179.2 (3) | N2—N3—C9—S1 | 176.57 (19) |
C1—C8—C7—N1 | −2.1 (3) | F1—C3—C4—C5 | −179.8 (3) |
C2—C1—C6—C5 | −1.4 (4) | C2—C3—C4—C5 | −0.9 (5) |
C8—C1—C6—C5 | 178.2 (2) | C6—C5—C4—C3 | 0.0 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
N3—H3···O1 | 0.86 | 2.12 | 2.781 (3) | 133 |
N1—H1···S1i | 0.86 | 2.55 | 3.367 (2) | 158 |
N4—H4A···F1ii | 0.86 | 2.24 | 2.956 (3) | 140 |
N4—H4B···O1iii | 0.86 | 2.03 | 2.879 (3) | 171 |
Symmetry codes: (i) −x+1/2, y+1/2, −z+3/2; (ii) −x+2, −y, −z+1; (iii) −x+1/2, y−1/2, −z+3/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
N3—H3···O1 | 0.86 | 2.12 | 2.781 (3) | 133.2 |
N1—H1···S1i | 0.86 | 2.55 | 3.367 (2) | 158.1 |
N4—H4A···F1ii | 0.86 | 2.24 | 2.956 (3) | 140.0 |
N4—H4B···O1iii | 0.86 | 2.03 | 2.879 (3) | 170.5 |
Symmetry codes: (i) −x+1/2, y+1/2, −z+3/2; (ii) −x+2, −y, −z+1; (iii) −x+1/2, y−1/2, −z+3/2. |
Acknowledgements
We gratefully thank Professor Dr Manfredo Hörner (Federal University of Santa Maria, Brazil) for his help and support with the X-ray measurements.
References
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