organic compounds
(E)-4-Amino-N-(1,2-dihydropyridin-2-ylidene)benzenesulfonamide nitromethane monosolvate
aMedicinal, Aromatic and Poisonous Plants Research Center (MAPPRC), College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia, bDepartment of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia, cCrystal Materials Research Unit, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand, and dX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: hkfun@usm.my
In the title solvate, C11H11N3O2S·CH3NO2, the dihedral angle between the benzene ring and the N-containing ring is 85.94 (11)°, and an approximate V shape arises for the sulfonamide molecule. In the crystal, N—H⋯O and N—H⋯N hydrogen bonds and weak C—H⋯O interactions link the sulfonamide molecules into a three-dimensional network. The nitromethane solvent molecules are located in the interstitial sites in the sulfonamide network.
Related literature
For background to the applications of sulfonamide compounds, see: Ghorab et al. (2009);
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supporting information
10.1107/S1600536812009865/hb6660sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812009865/hb6660Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812009865/hb6660Isup3.cml
A mixture of (E)-3-(dimethylamino)-1-(thiophen-2-yl)prop-2-en-1-one (1.81 g, 0.01 mole) and sulfapyridine (2.49 g, 0.01 mole) in absolute ethanol (30 ml) was heated under reflux for 12 hr. The reaction mixture was filtered and pink blocks of (I) were obtained by the slow evaporation of an ethanol/nitromethane (3:1) solution at room temperature.
Amide H atom was located in a difference map and refined isotropically. The remaining H atoms were placed in calculated positions with d(N-H) = 0.87 Å, d(C-H) = 0.93 for aromatic, and 0.96 Å for CH3 atoms. The Uiso values were constrained to be 1.5Ueq of the
for methyl H atoms and 1.2Ueq for the remaining H atoms. A rotating group model was used for the methyl groups.As part of our ongoing studies of
with potential biological activities (Ghorab et al. (2009), the present investigation deals with the synthesis of the title compound, (I), (Fig. 1) a sulfonamide bearing a pyridine moiety to be evaluated as anticancer agent.The environment of S atom is distorted tetrahedral geometry [angles around S atom are 104.49 (9) - 115.82 (10)°] with two O atoms, one N atom of the amide group and one C atom of the benzene ring. The dihedral angle between the benzene ring and the N atom-containing ring is 85.94 (11)°. The amino group is co-planar with its bound benzene ring with r.m.s. 0.0126 (2) Å for the seven non H atoms (C1–C6/N2).
In the crystal (Fig. 2), the molecules of sulfonamide derivative are linked by N—H···O and N—H···N hydrogen bonds and weak C···H···O interactions (Table 1) into a three dimensional network. The nitromethane solvent molecules are located in the interstitial sites of the sulfonamide network.
For background to the applications of sulfonamide compounds, see: Ghorab et al. (2009);
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).Fig. 1. The structure of (I), showing 30% probability displacement ellipsoids. | |
Fig. 2. The crystal packing of (I) viewed along the a axis, showing three dimensional network. |
C11H11N3O2S·CH3NO2 | F(000) = 1296 |
Mr = 310.34 | Dx = 1.381 Mg m−3 |
Orthorhombic, Pbca | Cu Kα radiation, λ = 1.54178 Å |
Hall symbol: -P 2ac 2ab | Cell parameters from 2799 reflections |
a = 10.5179 (3) Å | θ = 5.7–71.6° |
b = 12.4857 (3) Å | µ = 2.14 mm−1 |
c = 22.7237 (6) Å | T = 296 K |
V = 2984.15 (14) Å3 | Block, pink |
Z = 8 | 0.54 × 0.43 × 0.31 mm |
Bruker SMART APEXII CCD diffractometer | 2799 independent reflections |
Radiation source: fine-focus sealed tube | 2386 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.062 |
φ and ω scans | θmax = 71.6°, θmin = 5.7° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −11→10 |
Tmin = 0.392, Tmax = 0.554 | k = −15→15 |
14569 measured reflections | l = −27→27 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.045 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.144 | w = 1/[σ2(Fo2) + (0.0843P)2 + 0.5181P] where P = (Fo2 + 2Fc2)/3 |
S = 1.07 | (Δ/σ)max = 0.001 |
2799 reflections | Δρmax = 0.25 e Å−3 |
196 parameters | Δρmin = −0.42 e Å−3 |
0 restraints | Extinction correction: SHELXTL (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0022 (3) |
C11H11N3O2S·CH3NO2 | V = 2984.15 (14) Å3 |
Mr = 310.34 | Z = 8 |
Orthorhombic, Pbca | Cu Kα radiation |
a = 10.5179 (3) Å | µ = 2.14 mm−1 |
b = 12.4857 (3) Å | T = 296 K |
c = 22.7237 (6) Å | 0.54 × 0.43 × 0.31 mm |
Bruker SMART APEXII CCD diffractometer | 2799 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 2386 reflections with I > 2σ(I) |
Tmin = 0.392, Tmax = 0.554 | Rint = 0.062 |
14569 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.144 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.07 | Δρmax = 0.25 e Å−3 |
2799 reflections | Δρmin = −0.42 e Å−3 |
196 parameters |
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 > 2sigma(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 | 0.03202 (5) | 0.52678 (4) | 0.13912 (2) | 0.0537 (2) | |
O1 | −0.04470 (16) | 0.62229 (11) | 0.13586 (7) | 0.0664 (4) | |
O2 | 0.14832 (16) | 0.53613 (12) | 0.17203 (7) | 0.0696 (4) | |
N1 | 0.05275 (16) | 0.49231 (13) | 0.07212 (8) | 0.0549 (4) | |
N2 | −0.27661 (19) | 0.18108 (17) | 0.24298 (10) | 0.0806 (6) | |
H1N2 | −0.2408 | 0.1417 | 0.2699 | 0.097* | |
H2N2 | −0.3364 | 0.1534 | 0.2213 | 0.097* | |
N3 | 0.13565 (17) | 0.39072 (14) | −0.00078 (8) | 0.0587 (4) | |
H1N3 | 0.082 (2) | 0.4266 (17) | −0.0216 (10) | 0.054 (6)* | |
C1 | −0.05963 (18) | 0.42658 (14) | 0.17206 (8) | 0.0499 (4) | |
C2 | −0.1786 (2) | 0.40208 (16) | 0.14851 (9) | 0.0547 (5) | |
H2A | −0.2093 | 0.4405 | 0.1165 | 0.066* | |
C3 | −0.2504 (2) | 0.32171 (17) | 0.17237 (9) | 0.0576 (5) | |
H3A | −0.3299 | 0.3063 | 0.1565 | 0.069* | |
C4 | −0.20549 (19) | 0.26212 (16) | 0.22053 (9) | 0.0567 (5) | |
C5 | −0.0891 (2) | 0.29027 (18) | 0.24482 (9) | 0.0628 (5) | |
H5A | −0.0599 | 0.2542 | 0.2780 | 0.075* | |
C6 | −0.0163 (2) | 0.37042 (17) | 0.22084 (9) | 0.0576 (5) | |
H6A | 0.0623 | 0.3871 | 0.2373 | 0.069* | |
C7 | 0.13465 (18) | 0.41433 (15) | 0.05728 (9) | 0.0530 (4) | |
C8 | 0.2136 (2) | 0.3168 (2) | −0.02582 (12) | 0.0741 (6) | |
H8A | 0.2104 | 0.3049 | −0.0662 | 0.089* | |
C9 | 0.2955 (3) | 0.2609 (2) | 0.00786 (14) | 0.0855 (8) | |
H9A | 0.3498 | 0.2106 | −0.0088 | 0.103* | |
C10 | 0.2968 (3) | 0.2799 (2) | 0.06752 (14) | 0.0857 (8) | |
H10A | 0.3523 | 0.2413 | 0.0913 | 0.103* | |
C11 | 0.2185 (2) | 0.35419 (18) | 0.09265 (11) | 0.0708 (6) | |
H11A | 0.2205 | 0.3651 | 0.1331 | 0.085* | |
O3 | 0.0798 (3) | 0.0856 (2) | 0.04675 (11) | 0.1239 (9) | |
O4 | −0.0699 (2) | −0.0317 (2) | 0.06434 (11) | 0.1120 (8) | |
N4 | 0.0045 (3) | 0.0378 (3) | 0.08153 (15) | 0.1093 (9) | |
C12 | 0.0102 (4) | 0.0684 (4) | 0.14512 (17) | 0.1265 (14) | |
H12A | −0.0722 | 0.0921 | 0.1578 | 0.190* | |
H12B | 0.0706 | 0.1253 | 0.1503 | 0.190* | |
H12C | 0.0358 | 0.0076 | 0.1681 | 0.190* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0566 (4) | 0.0492 (3) | 0.0551 (3) | −0.00291 (18) | −0.00473 (19) | −0.00030 (17) |
O1 | 0.0793 (11) | 0.0487 (8) | 0.0712 (10) | 0.0061 (7) | 0.0029 (7) | 0.0001 (6) |
O2 | 0.0653 (10) | 0.0710 (9) | 0.0724 (10) | −0.0133 (7) | −0.0152 (8) | −0.0063 (7) |
N1 | 0.0541 (9) | 0.0559 (8) | 0.0546 (9) | 0.0045 (7) | −0.0008 (7) | 0.0066 (7) |
N2 | 0.0624 (12) | 0.0869 (13) | 0.0923 (15) | −0.0077 (10) | −0.0068 (10) | 0.0371 (11) |
N3 | 0.0544 (10) | 0.0631 (9) | 0.0587 (10) | 0.0083 (8) | −0.0006 (8) | 0.0047 (8) |
C1 | 0.0513 (10) | 0.0518 (9) | 0.0464 (9) | 0.0002 (8) | −0.0059 (7) | −0.0004 (7) |
C2 | 0.0549 (11) | 0.0588 (10) | 0.0505 (10) | 0.0017 (8) | −0.0082 (8) | 0.0071 (8) |
C3 | 0.0479 (10) | 0.0659 (11) | 0.0589 (11) | −0.0003 (8) | −0.0077 (8) | 0.0038 (9) |
C4 | 0.0494 (10) | 0.0626 (10) | 0.0580 (11) | 0.0039 (9) | 0.0040 (8) | 0.0082 (8) |
C5 | 0.0618 (13) | 0.0740 (12) | 0.0525 (10) | 0.0043 (10) | −0.0075 (9) | 0.0153 (9) |
C6 | 0.0546 (11) | 0.0663 (11) | 0.0518 (11) | −0.0017 (9) | −0.0110 (8) | 0.0050 (8) |
C7 | 0.0476 (10) | 0.0520 (9) | 0.0595 (11) | −0.0021 (8) | −0.0016 (8) | 0.0072 (8) |
C8 | 0.0688 (14) | 0.0791 (14) | 0.0744 (14) | 0.0156 (12) | 0.0052 (11) | −0.0043 (11) |
C9 | 0.0784 (17) | 0.0795 (15) | 0.0985 (19) | 0.0293 (14) | 0.0006 (14) | −0.0035 (14) |
C10 | 0.0832 (17) | 0.0737 (14) | 0.100 (2) | 0.0258 (13) | −0.0213 (15) | 0.0060 (13) |
C11 | 0.0739 (15) | 0.0672 (12) | 0.0712 (14) | 0.0110 (11) | −0.0150 (11) | 0.0046 (10) |
O3 | 0.1205 (18) | 0.148 (2) | 0.1029 (17) | −0.0638 (17) | 0.0212 (14) | −0.0115 (15) |
O4 | 0.0996 (15) | 0.141 (2) | 0.0955 (15) | −0.0502 (15) | 0.0236 (13) | −0.0211 (13) |
N4 | 0.0867 (17) | 0.139 (2) | 0.103 (2) | −0.0042 (17) | 0.0109 (16) | −0.0112 (17) |
C12 | 0.122 (3) | 0.169 (4) | 0.089 (2) | −0.013 (3) | 0.004 (2) | −0.033 (2) |
S1—O2 | 1.4384 (16) | C5—C6 | 1.373 (3) |
S1—O1 | 1.4418 (15) | C5—H5A | 0.9300 |
S1—N1 | 1.5971 (18) | C6—H6A | 0.9300 |
S1—C1 | 1.7477 (19) | C7—C11 | 1.410 (3) |
N1—C7 | 1.343 (3) | C8—C9 | 1.347 (4) |
N2—C4 | 1.358 (3) | C8—H8A | 0.9300 |
N2—H1N2 | 0.8700 | C9—C10 | 1.377 (4) |
N2—H2N2 | 0.8699 | C9—H9A | 0.9300 |
N3—C7 | 1.352 (3) | C10—C11 | 1.365 (4) |
N3—C8 | 1.359 (3) | C10—H10A | 0.9300 |
N3—H1N3 | 0.86 (2) | C11—H11A | 0.9300 |
C1—C6 | 1.389 (3) | O3—N4 | 1.268 (4) |
C1—C2 | 1.395 (3) | O4—N4 | 1.232 (4) |
C2—C3 | 1.368 (3) | N4—C12 | 1.496 (5) |
C2—H2A | 0.9300 | C12—H12A | 0.9600 |
C3—C4 | 1.405 (3) | C12—H12B | 0.9600 |
C3—H3A | 0.9300 | C12—H12C | 0.9600 |
C4—C5 | 1.388 (3) | ||
O2—S1—O1 | 115.82 (10) | C5—C6—C1 | 120.10 (19) |
O2—S1—N1 | 113.66 (10) | C5—C6—H6A | 119.9 |
O1—S1—N1 | 104.49 (9) | C1—C6—H6A | 119.9 |
O2—S1—C1 | 107.73 (10) | N1—C7—N3 | 114.09 (17) |
O1—S1—C1 | 107.78 (9) | N1—C7—C11 | 130.1 (2) |
N1—S1—C1 | 106.90 (9) | N3—C7—C11 | 115.81 (19) |
C7—N1—S1 | 121.49 (14) | C9—C8—N3 | 120.0 (2) |
C4—N2—H1N2 | 116.5 | C9—C8—H8A | 120.0 |
C4—N2—H2N2 | 118.8 | N3—C8—H8A | 120.0 |
H1N2—N2—H2N2 | 119.1 | C8—C9—C10 | 118.4 (2) |
C7—N3—C8 | 124.15 (19) | C8—C9—H9A | 120.8 |
C7—N3—H1N3 | 114.7 (15) | C10—C9—H9A | 120.8 |
C8—N3—H1N3 | 121.1 (16) | C11—C10—C9 | 121.5 (2) |
C6—C1—C2 | 119.35 (18) | C11—C10—H10A | 119.2 |
C6—C1—S1 | 121.47 (15) | C9—C10—H10A | 119.2 |
C2—C1—S1 | 119.17 (15) | C10—C11—C7 | 120.0 (2) |
C3—C2—C1 | 120.26 (18) | C10—C11—H11A | 120.0 |
C3—C2—H2A | 119.9 | C7—C11—H11A | 120.0 |
C1—C2—H2A | 119.9 | O4—N4—O3 | 122.0 (3) |
C2—C3—C4 | 120.77 (19) | O4—N4—C12 | 120.8 (3) |
C2—C3—H3A | 119.6 | O3—N4—C12 | 117.2 (3) |
C4—C3—H3A | 119.6 | N4—C12—H12A | 109.5 |
N2—C4—C5 | 121.67 (19) | N4—C12—H12B | 109.5 |
N2—C4—C3 | 120.14 (19) | H12A—C12—H12B | 109.5 |
C5—C4—C3 | 118.18 (19) | N4—C12—H12C | 109.5 |
C6—C5—C4 | 121.24 (18) | H12A—C12—H12C | 109.5 |
C6—C5—H5A | 119.4 | H12B—C12—H12C | 109.5 |
C4—C5—H5A | 119.4 | ||
O2—S1—N1—C7 | 43.60 (19) | C3—C4—C5—C6 | −3.3 (3) |
O1—S1—N1—C7 | 170.79 (16) | C4—C5—C6—C1 | 1.3 (3) |
C1—S1—N1—C7 | −75.12 (17) | C2—C1—C6—C5 | 1.2 (3) |
O2—S1—C1—C6 | −0.9 (2) | S1—C1—C6—C5 | −178.33 (17) |
O1—S1—C1—C6 | −126.50 (18) | S1—N1—C7—N3 | 176.39 (14) |
N1—S1—C1—C6 | 121.65 (17) | S1—N1—C7—C11 | −3.6 (3) |
O2—S1—C1—C2 | 179.59 (16) | C8—N3—C7—N1 | 178.0 (2) |
O1—S1—C1—C2 | 53.96 (18) | C8—N3—C7—C11 | −2.0 (3) |
N1—S1—C1—C2 | −57.89 (18) | C7—N3—C8—C9 | 0.8 (4) |
C6—C1—C2—C3 | −1.6 (3) | N3—C8—C9—C10 | 0.6 (4) |
S1—C1—C2—C3 | 177.94 (16) | C8—C9—C10—C11 | −0.6 (5) |
C1—C2—C3—C4 | −0.5 (3) | C9—C10—C11—C7 | −0.7 (4) |
C2—C3—C4—N2 | −178.6 (2) | N1—C7—C11—C10 | −178.1 (2) |
C2—C3—C4—C5 | 2.9 (3) | N3—C7—C11—C10 | 1.9 (3) |
N2—C4—C5—C6 | 178.2 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H1N2···O2i | 0.87 | 2.10 | 2.971 (3) | 174 |
N2—H2N2···O1ii | 0.87 | 2.34 | 3.162 (3) | 157 |
N3—H1N3···N1iii | 0.86 (2) | 2.09 (2) | 2.948 (2) | 178 (2) |
C8—H8A···O1iii | 0.93 | 2.52 | 3.160 (3) | 126 |
Symmetry codes: (i) −x, y−1/2, −z+1/2; (ii) −x−1/2, y−1/2, z; (iii) −x, −y+1, −z. |
Experimental details
Crystal data | |
Chemical formula | C11H11N3O2S·CH3NO2 |
Mr | 310.34 |
Crystal system, space group | Orthorhombic, Pbca |
Temperature (K) | 296 |
a, b, c (Å) | 10.5179 (3), 12.4857 (3), 22.7237 (6) |
V (Å3) | 2984.15 (14) |
Z | 8 |
Radiation type | Cu Kα |
µ (mm−1) | 2.14 |
Crystal size (mm) | 0.54 × 0.43 × 0.31 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.392, 0.554 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 14569, 2799, 2386 |
Rint | 0.062 |
(sin θ/λ)max (Å−1) | 0.615 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.045, 0.144, 1.07 |
No. of reflections | 2799 |
No. of parameters | 196 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.25, −0.42 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H1N2···O2i | 0.87 | 2.10 | 2.971 (3) | 174 |
N2—H2N2···O1ii | 0.87 | 2.34 | 3.162 (3) | 157 |
N3—H1N3···N1iii | 0.86 (2) | 2.09 (2) | 2.948 (2) | 178 (2) |
C8—H8A···O1iii | 0.93 | 2.52 | 3.160 (3) | 126 |
Symmetry codes: (i) −x, y−1/2, −z+1/2; (ii) −x−1/2, y−1/2, z; (iii) −x, −y+1, −z. |
Acknowledgements
The authors are grateful for the sponsorship of the Research Center, College of Pharmacy and the Deanship of Scientific Research, King Saud University, Riyadh, Saudi Arabia. HKF and SC thank Universiti Sains Malaysia for the Research University Grant No. 1001/PFIZIK/811160. HKF also thanks the King Saud University, Riyadh, Saudi Arabia, for the award of a visiting Professorship (December 23rd 2011 to January 14th 2012).
References
Bruker (2009). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Ghorab, M. M., Ragab, F. A., Alqasoumi, S. I., Alafeefy, A. M. & Aboulmaged, S. A. (2009). Eur. J. Med. Chem. 45, 171–178. Web of Science CrossRef PubMed Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
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As part of our ongoing studies of sulfonamides with potential biological activities (Ghorab et al. (2009), the present investigation deals with the synthesis of the title compound, (I), (Fig. 1) a sulfonamide bearing a pyridine moiety to be evaluated as anticancer agent.
The environment of S atom is distorted tetrahedral geometry [angles around S atom are 104.49 (9) - 115.82 (10)°] with two O atoms, one N atom of the amide group and one C atom of the benzene ring. The dihedral angle between the benzene ring and the N atom-containing ring is 85.94 (11)°. The amino group is co-planar with its bound benzene ring with r.m.s. 0.0126 (2) Å for the seven non H atoms (C1–C6/N2).
In the crystal (Fig. 2), the molecules of sulfonamide derivative are linked by N—H···O and N—H···N hydrogen bonds and weak C···H···O interactions (Table 1) into a three dimensional network. The nitromethane solvent molecules are located in the interstitial sites of the sulfonamide network.