N-[(Morpholin-4-yl)carbonothio­yl]-4-nitro­benzamide

Saeed, S.; Mehmood, R.; Wong, W.-T.; Waris, G.; Manan, A.

doi:10.1107/S1600536810018763

organic compounds

CRYSTALLOGRAPHIC
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ISSN: 2056-9890

Volume 66| Part 6| June 2010| Pages o1431-o1432

https://doi.org/10.1107/S1600536810018763

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N-[(Morpholin-4-yl)carbonothioyl]-4-nitrobenzamide

Sohail Saeed,^a ^* Rashid Mehmood,^a Wing-Tak Wong,^b Ghulam Waris ^c and Abdul Manan ^c

^aDepartment of Chemistry, Research Complex, Allama Iqbal Open University, Islamabad, Pakistan, ^bDepartment of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, People's Republic of China, and ^cNational Engineering & Scientific Commission, PO Box 2801, Islamabad, Pakistan
^*Correspondence e-mail: Sohail262001@yahoo.com

(Received 26 April 2010; accepted 19 May 2010; online 22 May 2010)

In the title compound, C₁₂H₁₃N₃O₄S, the nitro group is slightly twisted [6.58 (11)°] from the benzene ring plane. The morpholine ring adopts a chair form. In the crystal, intermolecular N—H⋯O hydrogen bonds link the molecules into chains along [110]. There are also π–π contacts [centroid–centroid distance = 3.8301 (11) Å] and C—H⋯π interactions to stack neighbouring benzene rings and link the chains into a three-dimensional network. C—H⋯O and C—H⋯S interactions are also observed.

Related literature

For the use of thiourea derivatives in the analysis of transition metals, see: Arslan et al. (2003 ). For the biological and agrochemical activity of thioureas and their transition metal complexes, see: Saeed et al. (2008 , 2009 , 2010 ); Che et al. (1999 ); Saeed & Parvez (2005 ). For their catalytic properties, see: Gu et al. (2007 ). For thioureas as ligands in coordination chemistry, see: Burrows et al. (1999 ); Henderson et al. (2002 ); Schuster et al. (1990 ).

Experimental

Crystal data

C₁₂H₁₃N₃O₄S
M_r = 295.31
Triclinic, $[P \overline 1]$
a = 6.9867 (11) Å
b = 7.4047 (11) Å
c = 14.261 (2) Å
α = 88.654 (2)°
β = 82.805 (2)°
γ = 65.638 (2)°
V = 666.46 (18) Å³
Z = 2
Mo Kα radiation
μ = 0.26 mm⁻¹
T = 298 K
0.23 × 0.20 × 0.08 mm

Data collection

Bruker SMART 1000 CCD diffractometer
Absorption correction: multi-scan (SADABS; Sheldrick, 1996 ) T_min = 0.943, T_max = 0.980
4478 measured reflections
2916 independent reflections
2485 reflections with I > 2σ(I)
R_int = 0.009

Refinement

R[F² > 2σ(F²)] = 0.037
wR(F²) = 0.106
S = 1.09
2916 reflections
186 parameters
H atoms treated by a mixture of independent and constrained refinement
Δρ_max = 0.34 e Å⁻³
Δρ_min = −0.31 e Å⁻³

Table 1
Hydrogen-bond geometry (Å, °)

Cg1 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2N⋯O4ⁱ	0.82 (2)	2.27 (2)	3.0947 (17)	178.1 (18)
C3—H3⋯O1ⁱⁱ	0.93	2.43	3.206 (2)	141
C6—H6⋯O3ⁱⁱⁱ	0.93	2.65	3.377 (2)	135
C9—H9B⋯O4^iv	0.97	2.67	3.590 (2)	159
C10—H10A⋯S1^v	0.97	2.98	3.7913 (18)	142
C12—H12B⋯S1^vi	0.97	2.97	3.7196 (18)	135
C2—H2⋯Cg1^vii	0.93	3.45	3.682 (2)	83
Symmetry codes: (i) x-1, y+1, z; (ii) x+1, y, z; (iii) x-1, y, z; (iv) -x+2, -y, -z; (v) x+1, y-1, z; (vi) -x+1, -y+1, -z; (vii) -x, -y+2, -z+1.

Data collection: SMART (Bruker, 1996 ); cell refinement: SAINT (Bruker, 2006 ); data reduction: SAINT and CrystalStructure (Rigaku/MSC and Rigaku, 2006 ); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPII (Johnson, 1976 ); software used to prepare material for publication: SHELXL97.

Supporting information

Crystal structure: contains datablocks global, I. DOI: https://doi.org/10.1107/S1600536810018763/sj2785sup1.cif

Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810018763/sj2785Isup2.hkl

checkCIF report

Comment top

Cobalt, nickel and copper are essential elements for biological systems and are present in trace quantities. In each case, trace analysis of these elements requires pre-concentration prior to their analysis. Thiourea derivatives are selective analytical reagents, especially for the determination of transition metals in complex inferring matrices (Arslan et al., 2003). The biological activity of complexes with thiourea derivatives has been successfully screened for various biological actions. Thioureas and their transition metal complexes are found to exhibit a wide range of biological activities including anticancer (Saeed et al., 2010), antifungal (Saeed et al., 2008), antiviral, antibacterial (Saeed et al., 2009), anti-tubercular, anti-thyroidal, herbicidal and insecticidal activities, organocatalyst (Gu et al., 2007). Thioureas also have a long history as ligands in coordination chemistry and coordinate to a metal via sulfur and oxygen (Burrows et al., 1999). These hard and soft donor atoms provide a multitude of bonding possibilities (Henderson et al., 2002). Hydrogen bonding behavior of some thioureas has been investigated and it is found that intramolecular hydrogen bonds between the carbonyl oxygen and a hydrogen atom on N' is common. The complexing capacity of thiourea derivatives has been reported in several papers (Schuster et al., 1990). Some acyl thioureas have been found to possess pesticidal activities and promote plant growth (Saeed & Parvez, 2005) while some have been shown to have notable positive effect on the germination of maize seeds as well as on the chlorophyll contents in seedling leaves (Che et al., 1999). With the simultaneous presence of S, N and O electron donors, the versalitility and interesting behavior of acylthioureas as building blocks in polydentate ligands for metal ions have become a topic of interest in the last few years.It has been reported that substituted acylthiourea ligands might act as monodentate sulfur donors, bidentate oxygen and nitrogen donors. As a part of our continuing interest in biologically active thiourea derivatives and their transition metal complexes, we are reporting a route for synthesis of these compounds by using tetrabutylammonium bromide (TBAB) as a phase transfer catalyst (PTC) to augment the yield of products. In view of the above and in continuation of our research program concerned with structural modification of certain biologically active thiourea derivatives and their transition metal complexes with the purpose of enhancing their biological activity, we aimed to incorporate the aliphatic and aromatic moieties in the substituted phenyl nucleus with thiourea functionality to obtain new functions in an attempt to improve the antimicrobial profile of compounds. The compound, N-(morpholine-4-carbothioyl)-4-nitro-benzamide, crystallizes in a triclinic primitive space group, P -1 (#2). Like its other analogue, the molecule is not planar. The nitro group, N1/O1/O2, is slightly twisted (6.58 (11)°) from the benzene ring plane of C1—C6. The thioureido group is also twisted. The amide group C4/C7/O3/N2 is making a dihedral angle of 25.68 (5)° with the benzene ring plane and 65.10 (6)° with the thiourea group, N2/C8/S1/N3. The morpholine ring is in the chair form.

Inter-molecular N2—H2N···O4 H-bond interactions link the molecules to form 1-dimensional chains in the [110] plane in the crystal lattice Table 1. π–π interactions help to stack the chains into 3-D network. The centroid-to-centroid distance of the ring C1—C6 and (C1—C6)ⁱ (ⁱ symmetry code: -x, 1-y, 1-z) 3.8301 (11) and the perpendicular distance between the centriod of C1—C6 and mean plane of (C1—C6)ⁱ is 3.449 Å. C—H···π interactions are also obseved with the distance between H2ⁱⁱ and centroid of C1—C6 3.454Å (ⁱⁱ symmetry code: -x, 2-y, 1-z) Table 1.

Related literature top

For the use of thiourea derivatives in the analysis of transition metals, see: Arslan et al. (2003). For the biological and agrochemical activity of thioureas and their transition metal complexes, see: Saeed et al. (2008, 2009, 2010); Che et al. (1999); Saeed & Parvez (2005). For their catalytic properties, see: Gu et al. (2007). For thioureas as ligands in coordination chemistry, see: Burrows et al. (1999); Henderson et al. (2002); Schuster et al. (1990).

Experimental top

All the chemicals used for the preparation were of reagent grade quality. The ammonium thiocyanate was dried by heating at 100°C and the acetone using potassium carbonate. A solution of 4-nitrobenzoyl chloride (0.01 mol) in anhydrous acetone (80 ml) and 3% tetrabutylammonium bromide (TBAB) as a phase transfer catalyst (PTC) in anhydrous acetone was added dropwise to a suspension of dry ammonium thiocyanate (0.01 mol) in acetone (50 ml) and the reaction mixture was refluxed for 45 min. After cooling to room temperature, a solution of morpholine (0.01 mol) in anhydrous acetone (25 ml) was added dropwise and the resulting mixture refluxed for 3 h. Hydrochloric acid (0.1 M, 400 ml) was added, and the solution was filtered. The solid product was washed with water and purified by re-crystallization from an ethanol-dichloromethane mixture (1:2).

Structure description top

For the use of thiourea derivatives in the analysis of transition metals, see: Arslan et al. (2003). For the biological and agrochemical activity of thioureas and their transition metal complexes, see: Saeed et al. (2008, 2009, 2010); Che et al. (1999); Saeed & Parvez (2005). For their catalytic properties, see: Gu et al. (2007). For thioureas as ligands in coordination chemistry, see: Burrows et al. (1999); Henderson et al. (2002); Schuster et al. (1990).

Computing details top

Data collection: SMART (Bruker, 1996); cell refinement: SAINT (Bruker, 2006); data reduction: SAINT (Bruker, 2006) and CrystalStructure (Rigaku/MSC and Rigaku, 2006); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPII (Johnson, 1976); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top

	Fig. 1. The structure of the title compound with 50% probability thermal ellipsoids and the atom numbering scheme.
	Fig. 2. The unit cell packing diagram of the compound.
	Fig. 3. A capped-stick diagram of the unit cell showing π–π and C–H···π interactions. The yellow sphere indicates the centroid of the C1—C6 phenyl ring, and the cyan sphere represents the centroid (C1—C6)ⁱ (ⁱ symmetry code: -x, 1-y, 1-z).

N-[(morpholin-4-yl)carbonothioyl]-4-nitrobenzamide top

Crystal data top

C₁₂H₁₃N₃O₄S	Z = 2
M_r = 295.31	F(000) = 308
Triclinic, P1	D_x = 1.472 Mg m⁻³
Hall symbol: -P 1	Melting point: 445 K
a = 6.9867 (11) Å	Mo Kα radiation, λ = 0.71073 Å
b = 7.4047 (11) Å	Cell parameters from 4479 reflections
c = 14.261 (2) Å	θ = 2.9–27.5°
α = 88.654 (2)°	µ = 0.26 mm⁻¹
β = 82.805 (2)°	T = 298 K
γ = 65.638 (2)°	Prism, yellow
V = 666.46 (18) Å³	0.23 × 0.20 × 0.08 mm

Data collection top

Bruker SMART 1000 CCD diffractometer	2916 independent reflections
Radiation source: fine-focus sealed tube	2485 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.009
ω scans	θ_max = 27.5°, θ_min = 2.9°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −9→9
T_min = 0.943, T_max = 0.980	k = −9→8
4478 measured reflections	l = −14→18

Refinement top

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)] = 0.037	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.106	H atoms treated by a mixture of independent and constrained refinement
S = 1.09	w = 1/[σ²(F_o²) + (0.0533P)² + 0.1461P] where P = (F_o² + 2F_c²)/3
2916 reflections	(Δ/σ)_max < 0.001
186 parameters	Δρ_max = 0.34 e Å⁻³
0 restraints	Δρ_min = −0.31 e Å⁻³

Crystal data top

C₁₂H₁₃N₃O₄S	γ = 65.638 (2)°
M_r = 295.31	V = 666.46 (18) Å³
Triclinic, P1	Z = 2
a = 6.9867 (11) Å	Mo Kα radiation
b = 7.4047 (11) Å	µ = 0.26 mm⁻¹
c = 14.261 (2) Å	T = 298 K
α = 88.654 (2)°	0.23 × 0.20 × 0.08 mm
β = 82.805 (2)°

Data collection top

Bruker SMART 1000 CCD diffractometer	2916 independent reflections
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	2485 reflections with I > 2σ(I)
T_min = 0.943, T_max = 0.980	R_int = 0.009
4478 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.037	0 restraints
wR(F²) = 0.106	H atoms treated by a mixture of independent and constrained refinement
S = 1.09	Δρ_max = 0.34 e Å⁻³
2916 reflections	Δρ_min = −0.31 e Å⁻³
186 parameters

Special details top

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2σ(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

	x	y	z	U_iso*/U_eq
S1	0.59857 (7)	0.73600 (6)	0.06951 (4)	0.05471 (16)
O1	−0.4619 (2)	0.8315 (2)	0.56951 (10)	0.0682 (4)
O2	−0.2725 (3)	0.8900 (3)	0.66055 (10)	0.0896 (6)
O3	0.58764 (17)	0.5059 (2)	0.32004 (8)	0.0563 (3)
O4	0.98995 (18)	−0.01437 (17)	0.15537 (9)	0.0531 (3)
N1	−0.2970 (2)	0.8351 (2)	0.58493 (10)	0.0491 (3)
N2	0.3781 (2)	0.6145 (2)	0.20248 (9)	0.0393 (3)
N3	0.67667 (19)	0.36725 (18)	0.12218 (9)	0.0385 (3)
C1	−0.1170 (2)	0.7713 (2)	0.50874 (10)	0.0392 (3)
C2	0.0756 (3)	0.7565 (3)	0.52983 (11)	0.0480 (4)
H2	0.0917	0.7861	0.5906	0.058*
C3	0.2441 (3)	0.6969 (3)	0.45888 (12)	0.0466 (4)
H3	0.3762	0.6839	0.4720	0.056*
C4	0.2183 (2)	0.6559 (2)	0.36783 (10)	0.0370 (3)
C5	0.0231 (2)	0.6692 (2)	0.34882 (11)	0.0404 (3)
H5	0.0064	0.6394	0.2882	0.049*
C6	−0.1473 (2)	0.7268 (2)	0.42000 (11)	0.0423 (3)
H6	−0.2785	0.7352	0.4081	0.051*
C7	0.4116 (2)	0.5862 (2)	0.29591 (11)	0.0404 (3)
C8	0.5562 (2)	0.5601 (2)	0.13166 (10)	0.0366 (3)
C9	0.8852 (3)	0.2872 (2)	0.06511 (12)	0.0491 (4)
H9A	0.9256	0.3943	0.0456	0.059*
H9B	0.8801	0.2192	0.0088	0.059*
C10	1.0458 (3)	0.1439 (3)	0.12361 (15)	0.0562 (5)
H10A	1.1839	0.0895	0.0860	0.067*
H10B	1.0554	0.2148	0.1779	0.067*
C11	0.7884 (3)	0.0630 (2)	0.21261 (12)	0.0484 (4)
H11B	0.7980	0.1283	0.2689	0.058*
H11A	0.7507	−0.0456	0.2325	0.058*
C12	0.6179 (2)	0.2085 (2)	0.16003 (12)	0.0428 (3)
H12B	0.5951	0.1395	0.1085	0.051*
H12A	0.4864	0.2658	0.2024	0.051*
H2N	0.275 (3)	0.715 (3)	0.1911 (13)	0.049 (5)*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
S1	0.0490 (3)	0.0384 (2)	0.0673 (3)	−0.01365 (18)	0.0083 (2)	0.01329 (19)
O1	0.0487 (7)	0.0877 (10)	0.0656 (9)	−0.0304 (7)	0.0118 (6)	−0.0065 (7)
O2	0.0829 (11)	0.1409 (16)	0.0466 (8)	−0.0539 (11)	0.0186 (7)	−0.0273 (9)
O3	0.0357 (6)	0.0730 (8)	0.0458 (6)	−0.0071 (5)	−0.0071 (5)	−0.0031 (6)
O4	0.0470 (6)	0.0382 (6)	0.0582 (7)	−0.0045 (5)	0.0022 (5)	0.0077 (5)
N1	0.0521 (8)	0.0472 (8)	0.0425 (8)	−0.0190 (6)	0.0078 (6)	0.0018 (6)
N2	0.0313 (6)	0.0388 (7)	0.0378 (7)	−0.0060 (5)	−0.0005 (5)	0.0071 (5)
N3	0.0367 (6)	0.0339 (6)	0.0387 (7)	−0.0110 (5)	0.0033 (5)	0.0041 (5)
C1	0.0417 (8)	0.0345 (7)	0.0361 (7)	−0.0129 (6)	0.0034 (6)	0.0033 (6)
C2	0.0521 (9)	0.0562 (10)	0.0348 (8)	−0.0219 (8)	−0.0031 (7)	−0.0040 (7)
C3	0.0400 (8)	0.0562 (10)	0.0431 (9)	−0.0190 (7)	−0.0052 (6)	−0.0015 (7)
C4	0.0365 (7)	0.0335 (7)	0.0357 (7)	−0.0098 (6)	−0.0024 (6)	0.0040 (6)
C5	0.0405 (8)	0.0424 (8)	0.0350 (7)	−0.0136 (6)	−0.0055 (6)	0.0029 (6)
C6	0.0365 (7)	0.0452 (8)	0.0433 (8)	−0.0156 (6)	−0.0024 (6)	0.0030 (6)
C7	0.0361 (7)	0.0392 (8)	0.0404 (8)	−0.0108 (6)	−0.0026 (6)	0.0003 (6)
C8	0.0327 (7)	0.0374 (7)	0.0361 (7)	−0.0116 (6)	−0.0026 (5)	0.0037 (6)
C9	0.0453 (8)	0.0399 (8)	0.0475 (9)	−0.0086 (7)	0.0137 (7)	0.0034 (7)
C10	0.0402 (8)	0.0441 (9)	0.0723 (12)	−0.0089 (7)	0.0038 (8)	0.0069 (8)
C11	0.0491 (9)	0.0414 (8)	0.0457 (9)	−0.0117 (7)	−0.0005 (7)	0.0094 (7)
C12	0.0427 (8)	0.0367 (8)	0.0462 (8)	−0.0153 (6)	−0.0011 (6)	0.0061 (6)

Geometric parameters (Å, º) top

S1—C8	1.6635 (15)	C3—C4	1.390 (2)
O1—N1	1.211 (2)	C3—H3	0.9300
O2—N1	1.217 (2)	C4—C5	1.387 (2)
O3—C7	1.2157 (19)	C4—C7	1.498 (2)
O4—C10	1.428 (2)	C5—C6	1.389 (2)
O4—C11	1.4302 (19)	C5—H5	0.9300
N1—C1	1.4753 (19)	C6—H6	0.9300
N2—C7	1.378 (2)	C9—C10	1.514 (3)
N2—C8	1.4219 (18)	C9—H9A	0.9700
N2—H2N	0.82 (2)	C9—H9B	0.9700
N3—C8	1.3249 (19)	C10—H10A	0.9700
N3—C9	1.4660 (19)	C10—H10B	0.9700
N3—C12	1.4682 (19)	C11—C12	1.506 (2)
C1—C2	1.375 (2)	C11—H11B	0.9700
C1—C6	1.378 (2)	C11—H11A	0.9700
C2—C3	1.378 (2)	C12—H12B	0.9700
C2—H2	0.9300	C12—H12A	0.9700

C10—O4—C11	110.05 (12)	O3—C7—C4	120.79 (14)
O1—N1—O2	123.01 (14)	N2—C7—C4	116.60 (13)
O1—N1—C1	118.84 (14)	N3—C8—N2	114.93 (13)
O2—N1—C1	118.15 (15)	N3—C8—S1	125.69 (11)
C7—N2—C8	118.86 (12)	N2—C8—S1	119.37 (11)
C7—N2—H2N	116.6 (13)	N3—C9—C10	108.91 (13)
C8—N2—H2N	114.2 (13)	N3—C9—H9A	109.9
C8—N3—C9	122.29 (13)	C10—C9—H9A	109.9
C8—N3—C12	126.02 (12)	N3—C9—H9B	109.9
C9—N3—C12	111.57 (12)	C10—C9—H9B	109.9
C2—C1—C6	122.68 (14)	H9A—C9—H9B	108.3
C2—C1—N1	118.30 (14)	O4—C10—C9	111.74 (15)
C6—C1—N1	119.02 (14)	O4—C10—H10A	109.3
C1—C2—C3	118.47 (14)	C9—C10—H10A	109.3
C1—C2—H2	120.8	O4—C10—H10B	109.3
C3—C2—H2	120.8	C9—C10—H10B	109.3
C2—C3—C4	120.54 (15)	H10A—C10—H10B	107.9
C2—C3—H3	119.7	O4—C11—C12	111.69 (13)
C4—C3—H3	119.7	O4—C11—H11B	109.3
C5—C4—C3	119.79 (14)	C12—C11—H11B	109.3
C5—C4—C7	123.23 (13)	O4—C11—H11A	109.3
C3—C4—C7	116.87 (13)	C12—C11—H11A	109.3
C4—C5—C6	120.20 (14)	H11B—C11—H11A	107.9
C4—C5—H5	119.9	N3—C12—C11	111.05 (13)
C6—C5—H5	119.9	N3—C12—H12B	109.4
C1—C6—C5	118.29 (14)	C11—C12—H12B	109.4
C1—C6—H6	120.9	N3—C12—H12A	109.4
C5—C6—H6	120.9	C11—C12—H12A	109.4
O3—C7—N2	122.60 (14)	H12B—C12—H12A	108.0

O1—N1—C1—C2	−173.39 (16)	C3—C4—C7—O3	24.2 (2)
O2—N1—C1—C2	6.9 (2)	C5—C4—C7—N2	27.0 (2)
O1—N1—C1—C6	5.8 (2)	C3—C4—C7—N2	−156.96 (15)
O2—N1—C1—C6	−173.87 (17)	C9—N3—C8—N2	−169.00 (14)
C6—C1—C2—C3	0.8 (3)	C12—N3—C8—N2	15.4 (2)
N1—C1—C2—C3	179.95 (15)	C9—N3—C8—S1	10.5 (2)
C1—C2—C3—C4	1.0 (3)	C12—N3—C8—S1	−165.17 (12)
C2—C3—C4—C5	−2.0 (2)	C7—N2—C8—N3	66.86 (18)
C2—C3—C4—C7	−178.23 (15)	C7—N2—C8—S1	−112.65 (14)
C3—C4—C5—C6	1.2 (2)	C8—N3—C9—C10	129.24 (16)
C7—C4—C5—C6	177.18 (14)	C12—N3—C9—C10	−54.55 (19)
C2—C1—C6—C5	−1.5 (2)	C11—O4—C10—C9	−60.10 (19)
N1—C1—C6—C5	179.29 (13)	N3—C9—C10—O4	58.40 (19)
C4—C5—C6—C1	0.5 (2)	C10—O4—C11—C12	57.60 (19)
C8—N2—C7—O3	−4.3 (2)	C8—N3—C12—C11	−130.55 (16)
C8—N2—C7—C4	176.88 (13)	C9—N3—C12—C11	53.41 (18)
C5—C4—C7—O3	−151.81 (16)	O4—C11—C12—N3	−54.50 (18)

Hydrogen-bond geometry (Å, º) top

Cg1 is the centroid of the C1–C6 ring.

D—H···A	D—H	H···A	D···A	D—H···A
N2—H2N···O4ⁱ	0.82 (2)	2.27 (2)	3.0947 (17)	178.1 (18)
C3—H3···O1ⁱⁱ	0.93	2.43	3.206 (2)	141
C6—H6···O3ⁱⁱⁱ	0.93	2.65	3.377 (2)	135
C9—H9B···O4^iv	0.97	2.67	3.590 (2)	159
C10—H10A···S1^v	0.97	2.98	3.7913 (18)	142
C12—H12B···S1^vi	0.97	2.97	3.7196 (18)	135
C2—H2···Cg1^vii	0.93	3.45	3.682 (2)	83

Symmetry codes: (i) x−1, y+1, z; (ii) x+1, y, z; (iii) x−1, y, z; (iv) −x+2, −y, −z; (v) x+1, y−1, z; (vi) −x+1, −y+1, −z; (vii) −x, −y+2, −z+1.

Experimental details

Crystal data
Chemical formula	C₁₂H₁₃N₃O₄S
M_r	295.31
Crystal system, space group	Triclinic, P1
Temperature (K)	298
a, b, c (Å)	6.9867 (11), 7.4047 (11), 14.261 (2)
α, β, γ (°)	88.654 (2), 82.805 (2), 65.638 (2)
V (Å³)	666.46 (18)
Z	2
Radiation type	Mo Kα
µ (mm⁻¹)	0.26
Crystal size (mm)	0.23 × 0.20 × 0.08

Data collection
Diffractometer	Bruker SMART 1000 CCD
Absorption correction	Multi-scan (SADABS; Sheldrick, 1996)
T_min, T_max	0.943, 0.980
No. of measured, independent and observed [I > 2σ(I)] reflections	4478, 2916, 2485
R_int	0.009
(sin θ/λ)_max (Å⁻¹)	0.649

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.037, 0.106, 1.09
No. of reflections	2916
No. of parameters	186
H-atom treatment	H atoms treated by a mixture of independent and constrained refinement
Δρ_max, Δρ_min (e Å⁻³)	0.34, −0.31

Computer programs: SMART (Bruker, 1996), SAINT (Bruker, 2006) and CrystalStructure (Rigaku/MSC and Rigaku, 2006), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEPII (Johnson, 1976).

Hydrogen-bond geometry (Å, º) top

Cg1 is the centroid of the C1–C6 ring.

D—H···A	D—H	H···A	D···A	D—H···A
N2—H2N···O4ⁱ	0.82 (2)	2.27 (2)	3.0947 (17)	178.1 (18)
C3—H3···O1ⁱⁱ	0.93	2.43	3.206 (2)	141.2
C6—H6···O3ⁱⁱⁱ	0.93	2.65	3.377 (2)	135.3
C9—H9B···O4^iv	0.97	2.67	3.590 (2)	159.4
C10—H10A···S1^v	0.97	2.98	3.7913 (18)	141.5
C12—H12B···S1^vi	0.97	2.97	3.7196 (18)	134.6
C2—H2···Cg1^vii	0.93	3.45	3.682 (2)	83.16

Symmetry codes: (i) x−1, y+1, z; (ii) x+1, y, z; (iii) x−1, y, z; (iv) −x+2, −y, −z; (v) x+1, y−1, z; (vi) −x+1, −y+1, −z; (vii) −x, −y+2, −z+1.

Acknowledgements

The authors are grateful to the Department of Chemistry, Research Complex, Allama Iqbal Open University, and the Hong Kong Polytechnic University for providing laboratory and analytical facilities.

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Volume 66| Part 6| June 2010| Pages o1431-o1432

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