organic compounds
4-Amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide–4-nitrobenzoic acid (1/1)
aScience and Engineering Faculty, Queensland University of Technology, GPO Box 2434, Brisbane, Queensland 4001, Australia
*Correspondence e-mail: g.smith@qut.edu.au
In the 7H5NO4·C12H14N4O2S, there are two independent but conformationally similar heterodimers, which are formed through intermolecular N—H⋯Ocarboxy and carboxyl–pyrimidine O—H⋯N hydrogen-bond pairs, giving a cyclic motif [graph set R22(8)]. The dihedral angles between the rings in the sulfonamide molecules are 78.77 (8) and 82.33 (9)° while the dihedral angles between the ring and the CO2H group in the acids are 2.19 (9) and 7.02 (10)°. A two-dimensional structure parallel to the ab plane is generated from the heterodimer units through hydrogen-bonding associations between NH2 and sulfone groups. Between neighbouring two-dimensional arrays there are two types of aromatic π–π stacking interactions involving either one of the pyrimidine rings and a 4-nitrobenzoic acid molecule [minimum ring centroid separation = 3.5886 (9) Å] or two acid molecules [minimum ring centroid separation = 3.7236 (10) Å].
of the title CRelated literature
For background on sulfamethazole as a model for ). For structures of 1:1 adducts of sulfamethazine with benzoic acid analogues, see: Arman et al. (2010); Caira (1991, 1992); Lynch et al. (2000); Patel et al. (1988). For graph-set analysis, see: Etter et al. (1990).
formation, see: Caira (2008Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008) in WinGX (Farrugia, 1999); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON.
Supporting information
10.1107/S1600536812019563/gk2481sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812019563/gk2481Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812019563/gk2481Isup3.cml
The title compound was formed in the interaction of 1 mmol quantities of 4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide (sulfamethazine) and 4-nitrobenzoic acid in 50 ml of 50% ethanol–water with 10 min refluxing. Partial evaporation of the solvent gave pale yellow crystal prisms (m.p. 482 K) from which a specimen was cleaved for the X-ray analysis.
Hydrogen atoms potentially involved in hydrogen-bonding interactions were located by difference methods and their positional and isotropic displacement parameters were refined. Other H atoms were included at calculated positions [C—H (aromatic) = 0.93 Å or C—H (methyl) = 0.96 Å] and treated as riding, with Uiso(H) = 1.2Ueq(C) (aromatic) or 1.5Ueq (C) (methyl).
Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell
CrysAlis PRO (Oxford Diffraction, 2010); data reduction: CrysAlis PRO (Oxford Diffraction, 2010); program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008) in WinGX (Farrugia, 1999); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON (Spek, 2009).Fig. 1. Molecular conformation and atom-numbering scheme for the two independent hydrogen-bonded heteromolecular pairs (A–C and B–D) in the asymmetric unit of the title co-crystal, with inter-species hydrogen bonds shown as dashed lines. Non-hydrogen atoms are shown as 40% probability displacement ellipsoids. | |
Fig. 2. A perspective view of the two-dimensional structure which extends down b, showing hydrogen-bonding associations as dashed lines. For symmetry codes (i)–(iii), see Table 1. |
C7H5NO4·C12H14N4O2S | Z = 4 |
Mr = 445.46 | F(000) = 928 |
Triclinic, P1 | Dx = 1.435 Mg m−3 |
Hall symbol: -P 1 | Melting point: 482 K |
a = 8.3483 (3) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 13.8354 (6) Å | Cell parameters from 10792 reflections |
c = 17.9813 (8) Å | θ = 3.2–28.7° |
α = 90.810 (4)° | µ = 0.21 mm−1 |
β = 92.841 (4)° | T = 200 K |
γ = 96.090 (4)° | Block, pale yellow |
V = 2062.23 (15) Å3 | 0.35 × 0.35 × 0.30 mm |
Oxford Diffraction Gemini-S CCD detector diffractometer | 8077 independent reflections |
Radiation source: Enhance (Mo) X-ray source | 6075 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.028 |
Detector resolution: 16.0774 pixels mm-1 | θmax = 26.0°, θmin = 3.2° |
ω scans | h = −10→10 |
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2010) | k = −17→17 |
Tmin = 0.968, Tmax = 0.988 | l = −22→22 |
25486 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)] = 0.037 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.093 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.99 | w = 1/[σ2(Fo2) + (0.054P)2] where P = (Fo2 + 2Fc2)/3 |
8077 reflections | (Δ/σ)max = 0.002 |
595 parameters | Δρmax = 0.27 e Å−3 |
0 restraints | Δρmin = −0.41 e Å−3 |
C7H5NO4·C12H14N4O2S | γ = 96.090 (4)° |
Mr = 445.46 | V = 2062.23 (15) Å3 |
Triclinic, P1 | Z = 4 |
a = 8.3483 (3) Å | Mo Kα radiation |
b = 13.8354 (6) Å | µ = 0.21 mm−1 |
c = 17.9813 (8) Å | T = 200 K |
α = 90.810 (4)° | 0.35 × 0.35 × 0.30 mm |
β = 92.841 (4)° |
Oxford Diffraction Gemini-S CCD detector diffractometer | 8077 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2010) | 6075 reflections with I > 2σ(I) |
Tmin = 0.968, Tmax = 0.988 | Rint = 0.028 |
25486 measured reflections |
R[F2 > 2σ(F2)] = 0.037 | 0 restraints |
wR(F2) = 0.093 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.99 | Δρmax = 0.27 e Å−3 |
8077 reflections | Δρmin = −0.41 e Å−3 |
595 parameters |
Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles |
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 | ||
S1A | 0.43065 (5) | 0.79681 (3) | 0.28848 (2) | 0.0280 (1) | |
O11A | 0.31284 (15) | 0.85129 (9) | 0.25216 (7) | 0.0359 (4) | |
O12A | 0.42294 (15) | 0.69500 (9) | 0.27420 (7) | 0.0354 (4) | |
N1A | 0.43974 (15) | 0.81078 (9) | 0.50370 (7) | 0.0224 (4) | |
N2A | 0.40684 (17) | 0.81744 (11) | 0.37704 (8) | 0.0273 (5) | |
N3A | 0.55850 (16) | 0.69806 (9) | 0.42680 (7) | 0.0237 (4) | |
N41A | 1.0704 (2) | 0.99483 (15) | 0.22870 (10) | 0.0431 (7) | |
C2A | 0.47352 (18) | 0.77249 (11) | 0.43760 (9) | 0.0213 (5) | |
C4A | 0.60735 (19) | 0.65360 (12) | 0.48885 (9) | 0.0248 (5) | |
C5A | 0.5729 (2) | 0.68510 (12) | 0.55886 (10) | 0.0279 (6) | |
C6A | 0.49003 (19) | 0.76604 (12) | 0.56539 (9) | 0.0239 (5) | |
C11A | 0.6208 (2) | 0.85296 (13) | 0.26962 (9) | 0.0277 (6) | |
C21A | 0.7486 (2) | 0.79910 (13) | 0.25577 (10) | 0.0320 (6) | |
C31A | 0.8974 (2) | 0.84640 (13) | 0.24231 (10) | 0.0345 (6) | |
C41A | 0.9242 (2) | 0.94797 (13) | 0.24233 (9) | 0.0306 (6) | |
C42A | 0.6982 (2) | 0.56738 (13) | 0.47789 (11) | 0.0349 (6) | |
C51A | 0.7929 (2) | 1.00111 (13) | 0.25553 (10) | 0.0342 (6) | |
C61A | 0.6457 (2) | 0.95425 (13) | 0.26920 (10) | 0.0319 (6) | |
C62A | 0.4544 (2) | 0.80788 (13) | 0.63896 (9) | 0.0349 (6) | |
S1B | 0.82454 (5) | 0.68304 (3) | 0.76744 (2) | 0.0244 (1) | |
O11B | 0.68139 (14) | 0.63072 (9) | 0.73454 (6) | 0.0316 (4) | |
O12B | 0.86553 (15) | 0.78235 (8) | 0.74704 (6) | 0.0328 (4) | |
N1B | 0.70460 (19) | 0.53427 (11) | 0.88061 (8) | 0.0360 (5) | |
N2B | 0.80838 (18) | 0.69373 (11) | 0.85831 (8) | 0.0265 (5) | |
N3B | 0.84663 (17) | 0.63531 (10) | 0.97601 (7) | 0.0297 (5) | |
N41B | 1.3917 (2) | 0.47448 (14) | 0.72035 (12) | 0.0455 (7) | |
C2B | 0.7850 (2) | 0.61641 (12) | 0.90656 (9) | 0.0257 (5) | |
C4B | 0.8206 (2) | 0.56378 (14) | 1.02567 (10) | 0.0377 (6) | |
C5B | 0.7358 (3) | 0.47662 (14) | 1.00405 (10) | 0.0465 (7) | |
C6B | 0.6801 (3) | 0.46280 (14) | 0.93033 (10) | 0.0425 (7) | |
C11B | 0.98815 (19) | 0.61767 (12) | 0.75446 (9) | 0.0240 (5) | |
C21B | 0.9706 (2) | 0.52772 (12) | 0.71686 (9) | 0.0273 (5) | |
C31B | 1.1044 (2) | 0.48082 (13) | 0.70492 (9) | 0.0306 (6) | |
C41B | 1.2593 (2) | 0.52095 (12) | 0.73000 (10) | 0.0292 (6) | |
C42B | 0.8890 (3) | 0.58491 (16) | 1.10348 (11) | 0.0558 (8) | |
C51B | 1.2744 (2) | 0.61104 (13) | 0.76910 (10) | 0.0313 (6) | |
C61B | 1.1415 (2) | 0.65878 (12) | 0.78025 (9) | 0.0290 (6) | |
C62B | 0.5914 (4) | 0.36946 (16) | 0.90160 (13) | 0.0728 (9) | |
O11C | 0.28879 (15) | 0.96896 (9) | 0.52899 (6) | 0.0318 (4) | |
O12C | 0.28175 (16) | 0.98996 (9) | 0.40610 (7) | 0.0381 (5) | |
O41C | −0.13930 (17) | 1.36383 (10) | 0.56806 (8) | 0.0465 (5) | |
O42C | −0.16315 (18) | 1.37390 (10) | 0.44819 (8) | 0.0544 (6) | |
N4C | −0.11616 (17) | 1.33583 (11) | 0.50508 (9) | 0.0331 (5) | |
C1C | 0.14838 (18) | 1.09566 (11) | 0.48052 (9) | 0.0222 (5) | |
C2C | 0.1110 (2) | 1.12500 (12) | 0.55148 (9) | 0.0259 (5) | |
C3C | 0.0221 (2) | 1.20285 (12) | 0.55982 (10) | 0.0281 (6) | |
C4C | −0.02707 (19) | 1.24986 (11) | 0.49670 (10) | 0.0248 (5) | |
C5C | 0.0061 (2) | 1.22156 (12) | 0.42589 (10) | 0.0291 (6) | |
C6C | 0.0943 (2) | 1.14346 (12) | 0.41817 (9) | 0.0279 (6) | |
C11C | 0.24604 (19) | 1.01288 (12) | 0.46862 (9) | 0.0239 (5) | |
O11D | 1.05367 (18) | 0.78479 (11) | 1.02329 (7) | 0.0484 (5) | |
O12D | 1.02623 (17) | 0.85230 (10) | 0.91233 (7) | 0.0466 (5) | |
O41D | 1.5322 (2) | 1.24767 (12) | 1.05689 (9) | 0.0733 (7) | |
O42D | 1.5638 (2) | 1.17003 (12) | 1.15790 (10) | 0.0726 (7) | |
N4D | 1.5070 (2) | 1.17635 (12) | 1.09470 (10) | 0.0439 (6) | |
C1D | 1.1964 (2) | 0.93775 (13) | 1.00653 (9) | 0.0292 (5) | |
C2D | 1.2715 (2) | 0.93354 (14) | 1.07650 (10) | 0.0376 (6) | |
C3D | 1.3738 (2) | 1.01145 (14) | 1.10513 (11) | 0.0399 (7) | |
C4D | 1.3976 (2) | 1.09326 (13) | 1.06304 (10) | 0.0329 (6) | |
C5D | 1.3250 (2) | 1.09989 (14) | 0.99312 (11) | 0.0399 (7) | |
C6D | 1.2240 (2) | 1.02123 (14) | 0.96483 (10) | 0.0374 (6) | |
C11D | 1.0844 (2) | 0.85434 (13) | 0.97541 (10) | 0.0321 (6) | |
H2A | 0.370 (2) | 0.8702 (15) | 0.3853 (11) | 0.044 (6)* | |
H5A | 0.60500 | 0.65250 | 0.60100 | 0.0330* | |
H21A | 0.73330 | 0.73150 | 0.25560 | 0.0380* | |
H31A | 0.98210 | 0.81010 | 0.23300 | 0.0410* | |
H41A | 1.084 (2) | 1.0588 (17) | 0.2288 (11) | 0.048 (6)* | |
H42A | 1.148 (3) | 0.9654 (19) | 0.2322 (14) | 0.068 (8)* | |
H43A | 0.78950 | 0.58540 | 0.44870 | 0.0520* | |
H44A | 0.62880 | 0.51630 | 0.45250 | 0.0520* | |
H45A | 0.73470 | 0.54500 | 0.52550 | 0.0520* | |
H51A | 0.80690 | 1.06870 | 0.25490 | 0.0410* | |
H61A | 0.56060 | 0.99030 | 0.27840 | 0.0380* | |
H62A | 0.53220 | 0.86250 | 0.65170 | 0.0520* | |
H63A | 0.46000 | 0.75940 | 0.67640 | 0.0520* | |
H64A | 0.34820 | 0.82870 | 0.63610 | 0.0520* | |
H2B | 0.864 (2) | 0.7480 (16) | 0.8755 (11) | 0.046 (6)* | |
H5B | 0.71600 | 0.42760 | 1.03830 | 0.0560* | |
H21B | 0.86880 | 0.49980 | 0.70000 | 0.0330* | |
H31B | 1.09190 | 0.42120 | 0.67960 | 0.0370* | |
H41B | 1.387 (2) | 0.4219 (16) | 0.6936 (11) | 0.044 (6)* | |
H42B | 1.483 (3) | 0.5016 (16) | 0.7337 (12) | 0.050 (7)* | |
H43B | 0.98850 | 0.62640 | 1.10210 | 0.0840* | |
H44B | 0.90850 | 0.52510 | 1.12700 | 0.0840* | |
H45B | 0.81370 | 0.61680 | 1.13120 | 0.0840* | |
H51B | 1.37560 | 0.63830 | 0.78750 | 0.0380* | |
H61B | 1.15340 | 0.71870 | 0.80510 | 0.0350* | |
H62B | 0.51600 | 0.38240 | 0.86190 | 0.1090* | |
H63B | 0.53450 | 0.33770 | 0.94110 | 0.1090* | |
H64B | 0.66680 | 0.32820 | 0.88330 | 0.1090* | |
H2C | 0.14570 | 1.09230 | 0.59310 | 0.0310* | |
H3C | −0.00410 | 1.22310 | 0.60680 | 0.0340* | |
H5C | −0.03000 | 1.25410 | 0.38440 | 0.0350* | |
H6C | 0.11770 | 1.12260 | 0.37090 | 0.0340* | |
H11C | 0.343 (3) | 0.9142 (19) | 0.5171 (14) | 0.090 (9)* | |
H2D | 1.25300 | 0.87780 | 1.10440 | 0.0450* | |
H3D | 1.42550 | 1.00870 | 1.15190 | 0.0480* | |
H5D | 1.34360 | 1.15610 | 0.96560 | 0.0480* | |
H6D | 1.17400 | 1.02400 | 0.91760 | 0.0450* | |
H11D | 0.976 (3) | 0.732 (2) | 1.0009 (15) | 0.092 (9)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1A | 0.0325 (2) | 0.0323 (3) | 0.0213 (2) | 0.0143 (2) | −0.0006 (2) | −0.0012 (2) |
O11A | 0.0363 (7) | 0.0457 (8) | 0.0284 (7) | 0.0191 (6) | −0.0042 (5) | 0.0030 (6) |
O12A | 0.0428 (8) | 0.0312 (7) | 0.0330 (7) | 0.0108 (6) | −0.0010 (6) | −0.0079 (5) |
N1A | 0.0244 (7) | 0.0211 (7) | 0.0226 (7) | 0.0053 (6) | 0.0024 (6) | 0.0018 (6) |
N2A | 0.0360 (9) | 0.0266 (8) | 0.0226 (8) | 0.0177 (7) | 0.0035 (6) | 0.0007 (6) |
N3A | 0.0241 (7) | 0.0204 (7) | 0.0276 (8) | 0.0070 (6) | 0.0027 (6) | 0.0011 (6) |
N41A | 0.0408 (11) | 0.0334 (11) | 0.0573 (12) | 0.0109 (9) | 0.0078 (9) | 0.0097 (9) |
C2A | 0.0200 (8) | 0.0201 (8) | 0.0242 (9) | 0.0034 (7) | 0.0024 (7) | 0.0018 (7) |
C4A | 0.0231 (9) | 0.0191 (9) | 0.0325 (10) | 0.0043 (7) | 0.0004 (7) | 0.0025 (7) |
C5A | 0.0324 (10) | 0.0238 (9) | 0.0278 (10) | 0.0063 (7) | −0.0029 (7) | 0.0050 (7) |
C6A | 0.0236 (9) | 0.0231 (9) | 0.0250 (9) | 0.0028 (7) | 0.0010 (7) | 0.0022 (7) |
C11A | 0.0343 (10) | 0.0316 (10) | 0.0195 (9) | 0.0141 (8) | 0.0016 (7) | 0.0010 (7) |
C21A | 0.0397 (11) | 0.0271 (10) | 0.0321 (10) | 0.0146 (8) | 0.0062 (8) | 0.0029 (8) |
C31A | 0.0379 (11) | 0.0340 (11) | 0.0357 (11) | 0.0194 (9) | 0.0092 (8) | 0.0043 (8) |
C41A | 0.0368 (10) | 0.0336 (10) | 0.0230 (9) | 0.0112 (8) | 0.0014 (7) | 0.0054 (7) |
C42A | 0.0393 (11) | 0.0279 (10) | 0.0400 (11) | 0.0154 (8) | 0.0021 (8) | 0.0021 (8) |
C51A | 0.0439 (11) | 0.0269 (10) | 0.0335 (10) | 0.0134 (8) | −0.0010 (8) | 0.0019 (8) |
C61A | 0.0370 (11) | 0.0324 (11) | 0.0292 (10) | 0.0193 (8) | −0.0012 (8) | −0.0024 (8) |
C62A | 0.0471 (12) | 0.0354 (11) | 0.0243 (10) | 0.0146 (9) | 0.0015 (8) | 0.0018 (8) |
S1B | 0.0281 (2) | 0.0269 (2) | 0.0183 (2) | 0.0036 (2) | −0.0003 (2) | 0.0045 (2) |
O11B | 0.0270 (6) | 0.0409 (7) | 0.0263 (7) | 0.0030 (5) | −0.0052 (5) | 0.0029 (5) |
O12B | 0.0446 (8) | 0.0274 (7) | 0.0272 (7) | 0.0065 (6) | 0.0034 (5) | 0.0085 (5) |
N1B | 0.0519 (10) | 0.0304 (9) | 0.0240 (8) | −0.0039 (7) | 0.0034 (7) | 0.0020 (6) |
N2B | 0.0354 (9) | 0.0235 (8) | 0.0202 (8) | 0.0012 (7) | 0.0018 (6) | 0.0014 (6) |
N3B | 0.0377 (9) | 0.0301 (8) | 0.0204 (8) | −0.0004 (7) | 0.0009 (6) | 0.0033 (6) |
N41B | 0.0340 (11) | 0.0366 (11) | 0.0662 (13) | 0.0076 (8) | 0.0000 (9) | −0.0114 (9) |
C2B | 0.0302 (9) | 0.0285 (10) | 0.0189 (9) | 0.0037 (7) | 0.0046 (7) | 0.0019 (7) |
C4B | 0.0503 (12) | 0.0389 (11) | 0.0228 (10) | −0.0025 (9) | 0.0036 (8) | 0.0064 (8) |
C5B | 0.0738 (15) | 0.0349 (12) | 0.0280 (11) | −0.0099 (10) | 0.0042 (10) | 0.0106 (9) |
C6B | 0.0675 (14) | 0.0310 (11) | 0.0266 (10) | −0.0068 (10) | 0.0054 (9) | 0.0024 (8) |
C11B | 0.0266 (9) | 0.0257 (9) | 0.0194 (8) | 0.0014 (7) | 0.0014 (7) | 0.0044 (7) |
C21B | 0.0305 (9) | 0.0277 (10) | 0.0218 (9) | −0.0032 (7) | −0.0027 (7) | 0.0010 (7) |
C31B | 0.0366 (10) | 0.0253 (10) | 0.0291 (10) | 0.0013 (8) | 0.0003 (8) | −0.0027 (7) |
C41B | 0.0319 (10) | 0.0246 (9) | 0.0318 (10) | 0.0047 (8) | 0.0044 (8) | 0.0048 (7) |
C42B | 0.0830 (17) | 0.0518 (14) | 0.0270 (11) | −0.0160 (12) | −0.0058 (11) | 0.0114 (10) |
C51B | 0.0272 (9) | 0.0291 (10) | 0.0363 (10) | −0.0014 (8) | −0.0004 (8) | 0.0003 (8) |
C61B | 0.0316 (10) | 0.0238 (9) | 0.0304 (10) | −0.0012 (7) | 0.0005 (7) | −0.0022 (7) |
C62B | 0.129 (2) | 0.0411 (14) | 0.0390 (13) | −0.0308 (14) | −0.0040 (14) | 0.0038 (10) |
O11C | 0.0423 (8) | 0.0292 (7) | 0.0270 (7) | 0.0179 (6) | 0.0017 (5) | 0.0038 (5) |
O12C | 0.0565 (9) | 0.0342 (8) | 0.0290 (7) | 0.0256 (6) | 0.0106 (6) | 0.0056 (6) |
O41C | 0.0499 (9) | 0.0397 (8) | 0.0529 (9) | 0.0200 (7) | 0.0044 (7) | −0.0136 (7) |
O42C | 0.0679 (10) | 0.0431 (9) | 0.0584 (10) | 0.0341 (8) | 0.0029 (8) | 0.0120 (7) |
N4C | 0.0273 (8) | 0.0241 (8) | 0.0488 (11) | 0.0069 (6) | 0.0033 (7) | −0.0013 (7) |
C1C | 0.0211 (8) | 0.0189 (8) | 0.0269 (9) | 0.0029 (7) | 0.0019 (7) | 0.0018 (7) |
C2C | 0.0286 (9) | 0.0235 (9) | 0.0259 (9) | 0.0066 (7) | −0.0030 (7) | 0.0018 (7) |
C3C | 0.0305 (10) | 0.0267 (10) | 0.0274 (10) | 0.0054 (7) | 0.0014 (7) | −0.0052 (7) |
C4C | 0.0203 (8) | 0.0180 (9) | 0.0365 (10) | 0.0044 (7) | 0.0020 (7) | 0.0000 (7) |
C5C | 0.0307 (10) | 0.0277 (10) | 0.0305 (10) | 0.0085 (8) | 0.0033 (7) | 0.0090 (7) |
C6C | 0.0332 (10) | 0.0275 (10) | 0.0248 (9) | 0.0086 (8) | 0.0058 (7) | 0.0036 (7) |
C11C | 0.0248 (9) | 0.0209 (9) | 0.0266 (9) | 0.0039 (7) | 0.0031 (7) | 0.0040 (7) |
O11D | 0.0623 (10) | 0.0428 (9) | 0.0337 (8) | −0.0189 (7) | −0.0128 (7) | 0.0109 (6) |
O12D | 0.0654 (10) | 0.0410 (8) | 0.0280 (8) | −0.0142 (7) | −0.0082 (7) | 0.0018 (6) |
O41D | 0.1005 (14) | 0.0516 (10) | 0.0588 (11) | −0.0353 (9) | 0.0064 (9) | 0.0048 (8) |
O42D | 0.0851 (13) | 0.0546 (10) | 0.0690 (12) | −0.0144 (9) | −0.0378 (10) | −0.0039 (9) |
N4D | 0.0429 (10) | 0.0384 (10) | 0.0480 (11) | −0.0071 (8) | 0.0045 (8) | −0.0051 (8) |
C1D | 0.0290 (9) | 0.0332 (10) | 0.0252 (9) | 0.0020 (8) | 0.0026 (7) | −0.0004 (7) |
C2D | 0.0430 (11) | 0.0340 (11) | 0.0338 (11) | −0.0041 (9) | −0.0031 (8) | 0.0058 (8) |
C3D | 0.0412 (11) | 0.0428 (12) | 0.0330 (11) | −0.0037 (9) | −0.0080 (8) | 0.0026 (9) |
C4D | 0.0291 (10) | 0.0327 (11) | 0.0360 (11) | −0.0012 (8) | 0.0033 (8) | −0.0054 (8) |
C5D | 0.0473 (12) | 0.0328 (11) | 0.0383 (11) | −0.0039 (9) | 0.0054 (9) | 0.0064 (9) |
C6D | 0.0475 (12) | 0.0378 (11) | 0.0256 (10) | −0.0009 (9) | −0.0010 (8) | 0.0022 (8) |
C11D | 0.0365 (10) | 0.0334 (11) | 0.0263 (10) | 0.0024 (8) | 0.0022 (8) | 0.0005 (8) |
S1A—O11A | 1.4386 (13) | C42A—H44A | 0.9600 |
S1A—O12A | 1.4224 (13) | C42A—H43A | 0.9600 |
S1A—N2A | 1.6393 (15) | C42A—H45A | 0.9600 |
S1A—C11A | 1.7429 (18) | C51A—H51A | 0.9300 |
S1B—O12B | 1.4375 (12) | C61A—H61A | 0.9300 |
S1B—N2B | 1.6520 (15) | C62A—H64A | 0.9600 |
S1B—C11B | 1.7395 (17) | C62A—H62A | 0.9600 |
S1B—O11B | 1.4270 (12) | C62A—H63A | 0.9600 |
O11C—C11C | 1.304 (2) | C4B—C5B | 1.373 (3) |
O12C—C11C | 1.223 (2) | C4B—C42B | 1.498 (3) |
O41C—N4C | 1.223 (2) | C5B—C6B | 1.387 (3) |
O42C—N4C | 1.224 (2) | C6B—C62B | 1.491 (3) |
O11C—H11C | 0.95 (3) | C11B—C21B | 1.398 (2) |
O11D—C11D | 1.314 (2) | C11B—C61B | 1.399 (2) |
O12D—C11D | 1.210 (2) | C21B—C31B | 1.374 (2) |
O41D—N4D | 1.212 (2) | C31B—C41B | 1.402 (2) |
O42D—N4D | 1.217 (3) | C41B—C51B | 1.413 (2) |
O11D—H11D | 0.99 (3) | C51B—C61B | 1.372 (2) |
N1A—C6A | 1.348 (2) | C5B—H5B | 0.9300 |
N1A—C2A | 1.349 (2) | C21B—H21B | 0.9300 |
N2A—C2A | 1.384 (2) | C31B—H31B | 0.9300 |
N3A—C2A | 1.328 (2) | C42B—H45B | 0.9600 |
N3A—C4A | 1.348 (2) | C42B—H43B | 0.9600 |
N41A—C41A | 1.355 (2) | C42B—H44B | 0.9600 |
N2A—H2A | 0.84 (2) | C51B—H51B | 0.9300 |
N41A—H41A | 0.88 (2) | C61B—H61B | 0.9300 |
N41A—H42A | 0.80 (3) | C62B—H64B | 0.9600 |
N1B—C2B | 1.324 (2) | C62B—H63B | 0.9600 |
N1B—C6B | 1.349 (2) | C62B—H62B | 0.9600 |
N2B—C2B | 1.391 (2) | C1C—C11C | 1.494 (2) |
N3B—C2B | 1.338 (2) | C1C—C6C | 1.390 (2) |
N3B—C4B | 1.350 (2) | C1C—C2C | 1.394 (2) |
N41B—C41B | 1.354 (2) | C2C—C3C | 1.382 (2) |
N2B—H2B | 0.88 (2) | C3C—C4C | 1.382 (2) |
N41B—H41B | 0.86 (2) | C4C—C5C | 1.377 (3) |
N41B—H42B | 0.84 (2) | C5C—C6C | 1.380 (2) |
N4C—C4C | 1.478 (2) | C2C—H2C | 0.9300 |
N4D—C4D | 1.479 (2) | C3C—H3C | 0.9300 |
C4A—C42A | 1.496 (2) | C5C—H5C | 0.9300 |
C4A—C5A | 1.380 (2) | C6C—H6C | 0.9300 |
C5A—C6A | 1.384 (2) | C1D—C6D | 1.391 (3) |
C6A—C62A | 1.493 (2) | C1D—C11D | 1.490 (2) |
C11A—C21A | 1.395 (2) | C1D—C2D | 1.382 (2) |
C11A—C61A | 1.395 (3) | C2D—C3D | 1.379 (3) |
C21A—C31A | 1.375 (2) | C3D—C4D | 1.373 (3) |
C31A—C41A | 1.399 (3) | C4D—C5D | 1.377 (3) |
C41A—C51A | 1.411 (2) | C5D—C6D | 1.379 (3) |
C51A—C61A | 1.363 (2) | C2D—H2D | 0.9300 |
C5A—H5A | 0.9300 | C3D—H3D | 0.9300 |
C21A—H21A | 0.9300 | C5D—H5D | 0.9300 |
C31A—H31A | 0.9300 | C6D—H6D | 0.9300 |
O11A—S1A—O12A | 119.17 (8) | C5B—C4B—C42B | 123.01 (17) |
O11A—S1A—N2A | 102.91 (8) | N3B—C4B—C5B | 120.29 (16) |
O11A—S1A—C11A | 107.51 (8) | N3B—C4B—C42B | 116.70 (16) |
O12A—S1A—N2A | 109.82 (8) | C4B—C5B—C6B | 118.97 (17) |
O12A—S1A—C11A | 110.09 (8) | C5B—C6B—C62B | 122.51 (18) |
N2A—S1A—C11A | 106.48 (8) | N1B—C6B—C5B | 120.99 (18) |
O12B—S1B—N2B | 101.89 (7) | N1B—C6B—C62B | 116.51 (17) |
O12B—S1B—C11B | 109.32 (8) | C21B—C11B—C61B | 119.77 (15) |
N2B—S1B—C11B | 106.68 (8) | S1B—C11B—C21B | 121.78 (13) |
O11B—S1B—C11B | 109.61 (8) | S1B—C11B—C61B | 118.41 (13) |
O11B—S1B—O12B | 118.86 (7) | C11B—C21B—C31B | 119.71 (15) |
O11B—S1B—N2B | 109.66 (7) | C21B—C31B—C41B | 121.44 (16) |
C11C—O11C—H11C | 110.7 (15) | N41B—C41B—C31B | 122.12 (16) |
C11D—O11D—H11D | 110.8 (16) | C31B—C41B—C51B | 118.07 (15) |
C2A—N1A—C6A | 116.89 (13) | N41B—C41B—C51B | 119.77 (16) |
S1A—N2A—C2A | 127.86 (12) | C41B—C51B—C61B | 120.70 (16) |
C2A—N3A—C4A | 115.69 (13) | C11B—C61B—C51B | 120.29 (15) |
C2A—N2A—H2A | 117.0 (13) | C4B—C5B—H5B | 121.00 |
S1A—N2A—H2A | 113.2 (14) | C6B—C5B—H5B | 120.00 |
H41A—N41A—H42A | 119 (2) | C11B—C21B—H21B | 120.00 |
C41A—N41A—H42A | 118.7 (19) | C31B—C21B—H21B | 120.00 |
C41A—N41A—H41A | 119.9 (11) | C41B—C31B—H31B | 119.00 |
C2B—N1B—C6B | 115.97 (15) | C21B—C31B—H31B | 119.00 |
S1B—N2B—C2B | 125.01 (12) | H43B—C42B—H45B | 109.00 |
C2B—N3B—C4B | 116.62 (14) | C4B—C42B—H43B | 109.00 |
S1B—N2B—H2B | 110.2 (13) | H44B—C42B—H45B | 109.00 |
C2B—N2B—H2B | 118.1 (13) | C4B—C42B—H45B | 109.00 |
H41B—N41B—H42B | 117.6 (19) | H43B—C42B—H44B | 110.00 |
C41B—N41B—H41B | 121.5 (11) | C4B—C42B—H44B | 109.00 |
C41B—N41B—H42B | 119.9 (16) | C41B—C51B—H51B | 120.00 |
O41C—N4C—C4C | 118.18 (15) | C61B—C51B—H51B | 120.00 |
O41C—N4C—O42C | 124.27 (15) | C11B—C61B—H61B | 120.00 |
O42C—N4C—C4C | 117.55 (15) | C51B—C61B—H61B | 120.00 |
O41D—N4D—O42D | 123.73 (18) | H62B—C62B—H64B | 109.00 |
O42D—N4D—C4D | 118.08 (16) | H63B—C62B—H64B | 109.00 |
O41D—N4D—C4D | 118.17 (17) | C6B—C62B—H63B | 109.00 |
N1A—C2A—N2A | 113.44 (13) | C6B—C62B—H64B | 109.00 |
N1A—C2A—N3A | 126.78 (14) | H62B—C62B—H63B | 110.00 |
N2A—C2A—N3A | 119.77 (14) | C6B—C62B—H62B | 109.00 |
C5A—C4A—C42A | 121.72 (15) | C2C—C1C—C6C | 120.19 (14) |
N3A—C4A—C5A | 121.65 (15) | C6C—C1C—C11C | 117.96 (14) |
N3A—C4A—C42A | 116.62 (15) | C2C—C1C—C11C | 121.85 (14) |
C4A—C5A—C6A | 118.98 (16) | C1C—C2C—C3C | 119.79 (15) |
N1A—C6A—C62A | 117.53 (14) | C2C—C3C—C4C | 118.46 (16) |
C5A—C6A—C62A | 122.59 (15) | N4C—C4C—C3C | 118.98 (15) |
N1A—C6A—C5A | 119.88 (15) | N4C—C4C—C5C | 118.03 (15) |
C21A—C11A—C61A | 119.40 (16) | C3C—C4C—C5C | 122.97 (15) |
S1A—C11A—C61A | 119.01 (13) | C4C—C5C—C6C | 118.09 (16) |
S1A—C11A—C21A | 121.59 (14) | C1C—C6C—C5C | 120.48 (15) |
C11A—C21A—C31A | 119.68 (16) | O11C—C11C—C1C | 115.10 (14) |
C21A—C31A—C41A | 121.45 (16) | O12C—C11C—C1C | 120.96 (15) |
C31A—C41A—C51A | 118.00 (16) | O11C—C11C—O12C | 123.95 (15) |
N41A—C41A—C31A | 121.62 (17) | C1C—C2C—H2C | 120.00 |
N41A—C41A—C51A | 120.37 (17) | C3C—C2C—H2C | 120.00 |
C41A—C51A—C61A | 120.54 (16) | C2C—C3C—H3C | 121.00 |
C11A—C61A—C51A | 120.93 (16) | C4C—C3C—H3C | 121.00 |
C6A—C5A—H5A | 121.00 | C4C—C5C—H5C | 121.00 |
C4A—C5A—H5A | 121.00 | C6C—C5C—H5C | 121.00 |
C11A—C21A—H21A | 120.00 | C1C—C6C—H6C | 120.00 |
C31A—C21A—H21A | 120.00 | C5C—C6C—H6C | 120.00 |
C21A—C31A—H31A | 119.00 | C2D—C1D—C11D | 120.85 (16) |
C41A—C31A—H31A | 119.00 | C6D—C1D—C11D | 119.40 (15) |
C4A—C42A—H44A | 109.00 | C2D—C1D—C6D | 119.74 (16) |
C4A—C42A—H45A | 109.00 | C1D—C2D—C3D | 120.44 (17) |
C4A—C42A—H43A | 110.00 | C2D—C3D—C4D | 118.56 (17) |
H43A—C42A—H45A | 109.00 | N4D—C4D—C3D | 117.89 (16) |
H43A—C42A—H44A | 109.00 | C3D—C4D—C5D | 122.53 (17) |
H44A—C42A—H45A | 109.00 | N4D—C4D—C5D | 119.58 (16) |
C41A—C51A—H51A | 120.00 | C4D—C5D—C6D | 118.38 (17) |
C61A—C51A—H51A | 120.00 | C1D—C6D—C5D | 120.34 (17) |
C11A—C61A—H61A | 120.00 | O11D—C11D—C1D | 113.51 (15) |
C51A—C61A—H61A | 120.00 | O12D—C11D—C1D | 122.71 (16) |
H62A—C62A—H63A | 109.00 | O11D—C11D—O12D | 123.78 (17) |
H63A—C62A—H64A | 109.00 | C1D—C2D—H2D | 120.00 |
H62A—C62A—H64A | 109.00 | C3D—C2D—H2D | 120.00 |
C6A—C62A—H62A | 109.00 | C2D—C3D—H3D | 121.00 |
C6A—C62A—H64A | 110.00 | C4D—C3D—H3D | 121.00 |
C6A—C62A—H63A | 109.00 | C4D—C5D—H5D | 121.00 |
N1B—C2B—N2B | 118.33 (15) | C6D—C5D—H5D | 121.00 |
N1B—C2B—N3B | 127.13 (15) | C1D—C6D—H6D | 120.00 |
N2B—C2B—N3B | 114.53 (14) | C5D—C6D—H6D | 120.00 |
O11A—S1A—N2A—C2A | 170.32 (14) | S1A—C11A—C61A—C51A | 179.27 (14) |
O12A—S1A—N2A—C2A | 42.43 (17) | C61A—C11A—C21A—C31A | 0.4 (3) |
C11A—S1A—N2A—C2A | −76.75 (16) | C21A—C11A—C61A—C51A | −0.1 (3) |
O11A—S1A—C11A—C21A | −141.58 (14) | C11A—C21A—C31A—C41A | 0.2 (3) |
O11A—S1A—C11A—C61A | 39.11 (16) | C21A—C31A—C41A—C51A | −0.9 (3) |
O12A—S1A—C11A—C21A | −10.30 (17) | C21A—C31A—C41A—N41A | −179.64 (17) |
O12A—S1A—C11A—C61A | 170.39 (13) | C31A—C41A—C51A—C61A | 1.2 (3) |
N2A—S1A—C11A—C21A | 108.69 (15) | N41A—C41A—C51A—C61A | 179.95 (17) |
N2A—S1A—C11A—C61A | −70.62 (15) | C41A—C51A—C61A—C11A | −0.8 (3) |
N2B—S1B—C11B—C21B | 118.51 (14) | N3B—C4B—C5B—C6B | 1.1 (3) |
N2B—S1B—C11B—C61B | −63.86 (15) | C42B—C4B—C5B—C6B | −178.5 (2) |
O11B—S1B—N2B—C2B | 59.69 (16) | C4B—C5B—C6B—N1B | −1.7 (3) |
O12B—S1B—N2B—C2B | −173.51 (14) | C4B—C5B—C6B—C62B | 178.1 (2) |
C11B—S1B—N2B—C2B | −58.93 (16) | S1B—C11B—C61B—C51B | −177.98 (13) |
O11B—S1B—C11B—C21B | −0.14 (16) | S1B—C11B—C21B—C31B | 176.99 (13) |
O11B—S1B—C11B—C61B | 177.48 (12) | C21B—C11B—C61B—C51B | −0.3 (2) |
O12B—S1B—C11B—C21B | −132.04 (14) | C61B—C11B—C21B—C31B | −0.6 (2) |
O12B—S1B—C11B—C61B | 45.59 (15) | C11B—C21B—C31B—C41B | 0.3 (3) |
C2A—N1A—C6A—C5A | 0.4 (2) | C21B—C31B—C41B—N41B | 178.27 (18) |
C2A—N1A—C6A—C62A | 179.66 (14) | C21B—C31B—C41B—C51B | 0.8 (3) |
C6A—N1A—C2A—N3A | −3.7 (2) | C31B—C41B—C51B—C61B | −1.8 (3) |
C6A—N1A—C2A—N2A | 175.03 (14) | N41B—C41B—C51B—C61B | −179.24 (18) |
S1A—N2A—C2A—N3A | −5.7 (2) | C41B—C51B—C61B—C11B | 1.5 (3) |
S1A—N2A—C2A—N1A | 175.49 (12) | C11C—C1C—C6C—C5C | −178.81 (15) |
C2A—N3A—C4A—C5A | −1.1 (2) | C2C—C1C—C11C—O12C | −177.81 (16) |
C4A—N3A—C2A—N1A | 4.0 (2) | C6C—C1C—C11C—O11C | −177.86 (14) |
C4A—N3A—C2A—N2A | −174.64 (14) | C2C—C1C—C11C—O11C | 2.0 (2) |
C2A—N3A—C4A—C42A | 177.89 (14) | C6C—C1C—C2C—C3C | −1.0 (2) |
C6B—N1B—C2B—N3B | 1.3 (3) | C11C—C1C—C2C—C3C | 179.13 (15) |
C2B—N1B—C6B—C5B | 0.5 (3) | C2C—C1C—C6C—C5C | 1.4 (2) |
C6B—N1B—C2B—N2B | −177.64 (17) | C6C—C1C—C11C—O12C | 2.4 (2) |
C2B—N1B—C6B—C62B | −179.3 (2) | C1C—C2C—C3C—C4C | −0.2 (2) |
S1B—N2B—C2B—N1B | −30.2 (2) | C2C—C3C—C4C—N4C | −177.39 (15) |
S1B—N2B—C2B—N3B | 150.71 (13) | C2C—C3C—C4C—C5C | 1.2 (3) |
C2B—N3B—C4B—C5B | 0.5 (3) | C3C—C4C—C5C—C6C | −0.9 (3) |
C2B—N3B—C4B—C42B | −179.80 (17) | N4C—C4C—C5C—C6C | 177.70 (15) |
C4B—N3B—C2B—N2B | 177.15 (15) | C4C—C5C—C6C—C1C | −0.4 (2) |
C4B—N3B—C2B—N1B | −1.9 (3) | C6D—C1D—C2D—C3D | −0.1 (3) |
O41C—N4C—C4C—C5C | −176.68 (15) | C11D—C1D—C2D—C3D | −179.39 (16) |
O41C—N4C—C4C—C3C | 2.0 (2) | C2D—C1D—C6D—C5D | −0.4 (3) |
O42C—N4C—C4C—C3C | −177.47 (15) | C11D—C1D—C6D—C5D | 178.87 (16) |
O42C—N4C—C4C—C5C | 3.9 (2) | C2D—C1D—C11D—O11D | 6.9 (2) |
O42D—N4D—C4D—C5D | 176.81 (17) | C2D—C1D—C11D—O12D | −174.15 (17) |
O42D—N4D—C4D—C3D | −3.7 (3) | C6D—C1D—C11D—O11D | −172.39 (16) |
O41D—N4D—C4D—C3D | 177.85 (17) | C6D—C1D—C11D—O12D | 6.6 (3) |
O41D—N4D—C4D—C5D | −1.6 (3) | C1D—C2D—C3D—C4D | 0.8 (3) |
N3A—C4A—C5A—C6A | −1.8 (2) | C2D—C3D—C4D—N4D | 179.69 (16) |
C42A—C4A—C5A—C6A | 179.26 (15) | C2D—C3D—C4D—C5D | −0.9 (3) |
C4A—C5A—C6A—N1A | 2.2 (2) | N4D—C4D—C5D—C6D | 179.77 (16) |
C4A—C5A—C6A—C62A | −177.08 (15) | C3D—C4D—C5D—C6D | 0.4 (3) |
S1A—C11A—C21A—C31A | −178.96 (14) | C4D—C5D—C6D—C1D | 0.3 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2A—H2A···O12C | 0.84 (2) | 1.92 (2) | 2.758 (2) | 178.6 (16) |
N2B—H2B···O12D | 0.88 (2) | 1.96 (2) | 2.825 (2) | 167.9 (17) |
N41A—H41A···O12Bi | 0.88 (2) | 2.23 (2) | 3.093 (2) | 168.5 (17) |
N41B—H41B···O12Aii | 0.86 (2) | 2.44 (2) | 2.943 (2) | 117.9 (15) |
N41A—H42A···O11Aiii | 0.80 (3) | 2.22 (3) | 3.002 (2) | 164 (2) |
N41B—H42B···O11Biii | 0.84 (2) | 2.30 (2) | 3.066 (2) | 152 (2) |
O11C—H11C···N1A | 0.95 (3) | 1.74 (3) | 2.6829 (18) | 175 (2) |
O11D—H11D···N3B | 0.99 (3) | 1.67 (3) | 2.652 (2) | 171 (3) |
C2D—H2D···O11D | 0.93 | 2.41 | 2.727 (2) | 100 |
C5A—H5A···O11B | 0.93 | 2.48 | 3.361 (2) | 157 |
C6C—H6C···O12Biv | 0.93 | 2.51 | 3.179 (2) | 129 |
C62B—H63B···O41Dv | 0.96 | 2.44 | 3.313 (3) | 151 |
Symmetry codes: (i) −x+2, −y+2, −z+1; (ii) −x+2, −y+1, −z+1; (iii) x+1, y, z; (iv) −x+1, −y+2, −z+1; (v) x−1, y−1, z. |
Experimental details
Crystal data | |
Chemical formula | C7H5NO4·C12H14N4O2S |
Mr | 445.46 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 200 |
a, b, c (Å) | 8.3483 (3), 13.8354 (6), 17.9813 (8) |
α, β, γ (°) | 90.810 (4), 92.841 (4), 96.090 (4) |
V (Å3) | 2062.23 (15) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.21 |
Crystal size (mm) | 0.35 × 0.35 × 0.30 |
Data collection | |
Diffractometer | Oxford Diffraction Gemini-S CCD detector diffractometer |
Absorption correction | Multi-scan (CrysAlis PRO; Oxford Diffraction, 2010) |
Tmin, Tmax | 0.968, 0.988 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 25486, 8077, 6075 |
Rint | 0.028 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.037, 0.093, 0.99 |
No. of reflections | 8077 |
No. of parameters | 595 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.27, −0.41 |
Computer programs: CrysAlis PRO (Oxford Diffraction, 2010), SIR92 (Altomare et al., 1994), SHELXL97 (Sheldrick, 2008) in WinGX (Farrugia, 1999), PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N2A—H2A···O12C | 0.84 (2) | 1.92 (2) | 2.758 (2) | 178.6 (16) |
N2B—H2B···O12D | 0.88 (2) | 1.96 (2) | 2.825 (2) | 167.9 (17) |
N41A—H41A···O12Bi | 0.88 (2) | 2.23 (2) | 3.093 (2) | 168.5 (17) |
N41B—H41B···O12Aii | 0.86 (2) | 2.44 (2) | 2.943 (2) | 117.9 (15) |
N41A—H42A···O11Aiii | 0.80 (3) | 2.22 (3) | 3.002 (2) | 164 (2) |
N41B—H42B···O11Biii | 0.84 (2) | 2.30 (2) | 3.066 (2) | 152 (2) |
O11C—H11C···N1A | 0.95 (3) | 1.74 (3) | 2.6829 (18) | 175 (2) |
O11D—H11D···N3B | 0.99 (3) | 1.67 (3) | 2.652 (2) | 171 (3) |
Symmetry codes: (i) −x+2, −y+2, −z+1; (ii) −x+2, −y+1, −z+1; (iii) x+1, y, z. |
Acknowledgements
The authors acknowledge financial support from the Australian Reseach Council and the Science and Engineering Faculty and the University Library, Queensland University of Technology.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
The drug sulfamethazine [4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide] has been used as a model for co-crystal formation (Caira, 2008), commonly forming 1:1 adducts with carboxylic acids, particularly the benzoic analogues. The structures of a number of these have been reported, e.g. with benzoic acid (Arman et al., 2010); salicylic acid (Patel et al., 1988); anthranilic acid and 4-aminobenzoic acid (Caira, 1991); 4-aminosalicylic acid and acetylsalicylic acid (Caira, 1992) and 2,4-dinitrobenzoic acid (Lynch et al., 2000). In all of these co-crystals, heterodimers are formed through a cyclic hydrogen-bonding motif [graph set R22(8) (Etter et al., 1990)], involving amine N—H···Ocarboxyl–carboxylic acid O—H···Npyrimidine pairs.
Our 1:1 stoichiometric interaction of sulfamethazine with 4-nitrobenzoic acid also gave a 1:1 co-crystalline adduct C12H14N4O2S . C7H5NO4, the title compound, and the structure is reported here. In this co-crystal (Fig. 1), there are two independent molecular pairs (sulfamethazine molecules A and B with 4-nitrobenzoic acid molecules C and D respectively), which interact as previously described, giving cyclic R22(8) hydrogen-bonded heterodimers (Table 1). Intermolecular amine N—H···Osulfone hydrogen-bonding interactions from the heterodimer units (Table 1) generate a two-dimensional structure lying parallel to the ab plane (Fig. 2). Between neighbouring two-dimensional structures there are two types of aromatic π–π stacking interactions involving either one of the pyrimidine rings (A) and a 4-nitrobenzoic acid molecule Civ ([minimum ring centroid separation = 3.5886 (9) Å] or two acid molecules (D–Dv) ([minimum ring centroid separation = 3.7236 (10) Å] [symmetry codes: (iv) -x + 1, -y + 2, -z + 1; (v) -x + 3, -y + 2, -z + 2].
There are minor conformational differences between the molecules within the two heterodimer units. The inter-ring dihedral angles between the pyrimidine ring (1) and the benzene ring (2) of the sulfamethazine molecule and the angle between these and the benzene ring of the 4-nitrobenzene group (3) are 78.77 (8), 1.99 (8) and 77.44 (8)°, respectively (the A–C pair) compared to 82.33 (9), 10.85 (9) and 74.47 (8)° (the B–D pair).