organic compounds
2-Methanesulfonamidobenzoic acid
aDepartment of Chemistry, Government College University, Lahore 54000, Pakistan, and bApplied Chemistry Research Centre, PCSIR Laboratories Complex, Ferozpure Road, Lahore 54600, Pakistan
*Correspondence e-mail: hmshafiqhm@yahoo.com
In the title compound, C8H9NO4S, an intramolecular N—H⋯O hydrogen bond gives rise to a six-membered ring. In the two molecules are connected by O—H⋯O hydrogen bonds, forming a centrosymmetric dimer. These dimers are further connected by C—H⋯O hydrogen bonds.
Related literature
For the synthesis and biological evaluation of sulfur-containing et al. (2005, 2006, 2009); Xiao & Timberlake (2000); Lee & Lee (2002). For biological evaluation of see: Hanson et al. (1999); Moree et al. (1991); Rough et al. (1998). For related literature on see: Esteve & Bidal (2002); Soledade et al. (2006). For related structures, see: Gowda et al. (2007); Arshad et al. (2008).
see: Zia-ur-RehmanExperimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009) and Mercury (Macrae et al., 2006); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and local programs.
Supporting information
10.1107/S1600536809036113/bt5054sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809036113/bt5054Isup2.hkl
A mixture of methyl 2-[(methylsulfonyl)amino]benzoate (1.0 g; 4.4 mmoles), sodium hydroxide (0.2 g; 5.0 mmoles) and water (30.0 ml) was stirred at room temperature for a period of one hour followed by addition of dilute hydrochloric acid to Congo Red (pH~5). Precipitates formed were filtered, washed with cold water and dried under vacuum followed by recrystallization in ethanol.
H atoms bond to C and N were placed in geometric positions (N—H = 0.86, Caromatic—H = 0.93, Cmethyl—H = 0.96 Å) using a riding model with Uiso(H) = 1.2Ueq(C,N,O) or Uiso(H) = 1.5Ueq(Cmethyl). The coordinates of the H atom bonded to O were refined.
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009) and Mercury (Macrae et al., 2006); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and local programs.Fig. 1. The molecular structure of the title compound, with displacement ellipsoids at the 50% probability level. |
C8H9NO4S | Z = 2 |
Mr = 215.23 | F(000) = 224 |
Triclinic, P1 | Dx = 1.497 Mg m−3 |
Hall symbol: -P 1 | Melting point: 373 K |
a = 5.2001 (2) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 8.6120 (4) Å | Cell parameters from 2313 reflections |
c = 11.2314 (5) Å | θ = 2.6–26.6° |
α = 72.675 (3)° | µ = 0.33 mm−1 |
β = 84.155 (3)° | T = 296 K |
γ = 86.846 (3)° | Needle, colourless |
V = 477.50 (4) Å3 | 0.19 × 0.09 × 0.02 mm |
Bruker APEXII CCD area-detector diffractometer | 2330 independent reflections |
Radiation source: fine-focus sealed tube | 1261 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.030 |
ϕ and ω scans | θmax = 28.3°, θmin = 2.5° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1997) | h = −6→6 |
Tmin = 0.941, Tmax = 0.993 | k = −11→11 |
9379 measured reflections | l = −14→14 |
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)] = 0.043 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.121 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0569P)2 + 0.0282P] where P = (Fo2 + 2Fc2)/3 |
2330 reflections | (Δ/σ)max < 0.001 |
131 parameters | Δρmax = 0.21 e Å−3 |
0 restraints | Δρmin = −0.19 e Å−3 |
C8H9NO4S | γ = 86.846 (3)° |
Mr = 215.23 | V = 477.50 (4) Å3 |
Triclinic, P1 | Z = 2 |
a = 5.2001 (2) Å | Mo Kα radiation |
b = 8.6120 (4) Å | µ = 0.33 mm−1 |
c = 11.2314 (5) Å | T = 296 K |
α = 72.675 (3)° | 0.19 × 0.09 × 0.02 mm |
β = 84.155 (3)° |
Bruker APEXII CCD area-detector diffractometer | 2330 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1997) | 1261 reflections with I > 2σ(I) |
Tmin = 0.941, Tmax = 0.993 | Rint = 0.030 |
9379 measured reflections |
R[F2 > 2σ(F2)] = 0.043 | 0 restraints |
wR(F2) = 0.121 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.01 | Δρmax = 0.21 e Å−3 |
2330 reflections | Δρmin = −0.19 e Å−3 |
131 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 | 0.13958 (10) | 0.86241 (8) | 0.36548 (6) | 0.0718 (3) | |
O1 | 0.7317 (3) | 0.9547 (2) | 0.09332 (14) | 0.0702 (4) | |
O2 | 0.9632 (3) | 0.7901 (2) | 0.00272 (17) | 0.0884 (6) | |
H2 | 1.047 (6) | 0.868 (4) | −0.020 (3) | 0.106* | |
O3 | 0.1286 (4) | 1.0325 (2) | 0.3430 (2) | 0.1179 (8) | |
O4 | −0.0938 (3) | 0.7780 (2) | 0.38190 (16) | 0.0881 (6) | |
N1 | 0.3205 (3) | 0.8337 (2) | 0.24607 (18) | 0.0737 (6) | |
H1 | 0.3768 | 0.9197 | 0.1899 | 0.088* | |
C1 | 0.6130 (4) | 0.6764 (3) | 0.14278 (19) | 0.0580 (6) | |
C2 | 0.3943 (4) | 0.6848 (3) | 0.22472 (19) | 0.0579 (6) | |
C3 | 0.2556 (4) | 0.5456 (3) | 0.2809 (2) | 0.0770 (7) | |
H3 | 0.1102 | 0.5498 | 0.3355 | 0.092* | |
C4 | 0.3279 (5) | 0.4020 (3) | 0.2577 (3) | 0.0826 (7) | |
H4 | 0.2305 | 0.3101 | 0.2959 | 0.099* | |
C5 | 0.5438 (5) | 0.3919 (3) | 0.1784 (3) | 0.0839 (8) | |
H5 | 0.5945 | 0.2937 | 0.1635 | 0.101* | |
C6 | 0.6818 (5) | 0.5284 (3) | 0.1222 (2) | 0.0778 (7) | |
H6 | 0.8272 | 0.5219 | 0.0682 | 0.093* | |
C7 | 0.7712 (4) | 0.8198 (3) | 0.07879 (19) | 0.0617 (6) | |
C8 | 0.3072 (5) | 0.7722 (4) | 0.4963 (3) | 0.0931 (9) | |
H8A | 0.4750 | 0.8186 | 0.4842 | 0.140* | |
H8B | 0.3260 | 0.6573 | 0.5079 | 0.140* | |
H8C | 0.2130 | 0.7910 | 0.5690 | 0.140* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0519 (3) | 0.0691 (5) | 0.0812 (5) | −0.0032 (3) | 0.0323 (3) | −0.0144 (3) |
O1 | 0.0596 (9) | 0.0739 (11) | 0.0679 (10) | −0.0159 (8) | 0.0290 (7) | −0.0160 (8) |
O2 | 0.0795 (11) | 0.0919 (14) | 0.0887 (13) | −0.0233 (9) | 0.0491 (9) | −0.0336 (11) |
O3 | 0.1275 (16) | 0.0632 (12) | 0.1399 (18) | −0.0009 (10) | 0.0728 (14) | −0.0229 (11) |
O4 | 0.0469 (8) | 0.1114 (14) | 0.0933 (13) | −0.0105 (8) | 0.0251 (8) | −0.0194 (10) |
N1 | 0.0676 (11) | 0.0592 (12) | 0.0772 (13) | −0.0082 (9) | 0.0391 (10) | −0.0078 (10) |
C1 | 0.0512 (11) | 0.0722 (15) | 0.0480 (12) | −0.0099 (10) | 0.0099 (9) | −0.0167 (11) |
C2 | 0.0486 (11) | 0.0615 (14) | 0.0558 (13) | −0.0077 (10) | 0.0123 (9) | −0.0099 (10) |
C3 | 0.0625 (13) | 0.0719 (17) | 0.0865 (18) | −0.0136 (12) | 0.0254 (12) | −0.0161 (13) |
C4 | 0.0825 (16) | 0.0716 (17) | 0.0894 (19) | −0.0235 (13) | 0.0146 (14) | −0.0207 (14) |
C5 | 0.0952 (19) | 0.0732 (17) | 0.0866 (18) | −0.0142 (14) | 0.0148 (15) | −0.0340 (14) |
C6 | 0.0761 (15) | 0.0870 (19) | 0.0708 (16) | −0.0099 (14) | 0.0227 (13) | −0.0322 (14) |
C7 | 0.0510 (11) | 0.0813 (17) | 0.0466 (12) | −0.0093 (11) | 0.0156 (9) | −0.0146 (12) |
C8 | 0.0601 (14) | 0.132 (2) | 0.089 (2) | −0.0001 (15) | 0.0122 (13) | −0.0406 (18) |
S1—O3 | 1.4091 (18) | C2—C3 | 1.381 (3) |
S1—O4 | 1.4164 (16) | C3—C4 | 1.363 (3) |
S1—N1 | 1.6307 (18) | C3—H3 | 0.9300 |
S1—C8 | 1.740 (3) | C4—C5 | 1.376 (3) |
O1—C7 | 1.223 (3) | C4—H4 | 0.9300 |
O2—C7 | 1.312 (2) | C5—C6 | 1.361 (3) |
O2—H2 | 0.78 (3) | C5—H5 | 0.9300 |
N1—C2 | 1.400 (3) | C6—H6 | 0.9300 |
N1—H1 | 0.8600 | C8—H8A | 0.9600 |
C1—C6 | 1.384 (3) | C8—H8B | 0.9600 |
C1—C2 | 1.401 (3) | C8—H8C | 0.9600 |
C1—C7 | 1.477 (3) | ||
O3—S1—O4 | 119.14 (12) | C3—C4—C5 | 120.6 (2) |
O3—S1—N1 | 104.71 (10) | C3—C4—H4 | 119.7 |
O4—S1—N1 | 109.48 (11) | C5—C4—H4 | 119.7 |
O3—S1—C8 | 109.48 (15) | C6—C5—C4 | 118.8 (2) |
O4—S1—C8 | 107.25 (12) | C6—C5—H5 | 120.6 |
N1—S1—C8 | 106.10 (11) | C4—C5—H5 | 120.6 |
C7—O2—H2 | 107 (2) | C5—C6—C1 | 122.2 (2) |
C2—N1—S1 | 127.27 (14) | C5—C6—H6 | 118.9 |
C2—N1—H1 | 116.4 | C1—C6—H6 | 118.9 |
S1—N1—H1 | 116.4 | O1—C7—O2 | 121.91 (19) |
C6—C1—C2 | 118.5 (2) | O1—C7—C1 | 124.62 (18) |
C6—C1—C7 | 119.46 (19) | O2—C7—C1 | 113.5 (2) |
C2—C1—C7 | 122.1 (2) | S1—C8—H8A | 109.5 |
C3—C2—N1 | 121.92 (19) | S1—C8—H8B | 109.5 |
C3—C2—C1 | 118.7 (2) | H8A—C8—H8B | 109.5 |
N1—C2—C1 | 119.34 (18) | S1—C8—H8C | 109.5 |
C4—C3—C2 | 121.2 (2) | H8A—C8—H8C | 109.5 |
C4—C3—H3 | 119.4 | H8B—C8—H8C | 109.5 |
C2—C3—H3 | 119.4 | ||
O3—S1—N1—C2 | 179.0 (2) | C1—C2—C3—C4 | −0.1 (4) |
O4—S1—N1—C2 | −52.2 (2) | C2—C3—C4—C5 | 0.7 (4) |
C8—S1—N1—C2 | 63.2 (2) | C3—C4—C5—C6 | −0.9 (4) |
S1—N1—C2—C3 | 22.1 (3) | C4—C5—C6—C1 | 0.4 (4) |
S1—N1—C2—C1 | −158.81 (18) | C2—C1—C6—C5 | 0.3 (4) |
C6—C1—C2—C3 | −0.4 (3) | C7—C1—C6—C5 | 180.0 (2) |
C7—C1—C2—C3 | 179.9 (2) | C6—C1—C7—O1 | −177.7 (2) |
C6—C1—C2—N1 | −179.6 (2) | C2—C1—C7—O1 | 2.0 (4) |
C7—C1—C2—N1 | 0.7 (3) | C6—C1—C7—O2 | 2.3 (3) |
N1—C2—C3—C4 | 179.1 (2) | C2—C1—C7—O2 | −177.9 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O1i | 0.78 (3) | 1.89 (3) | 2.671 (2) | 172 (4) |
N1—H1···O1 | 0.86 | 2.03 | 2.652 (2) | 128 |
C4—H4···O3ii | 0.93 | 2.37 | 3.235 (3) | 155 |
Symmetry codes: (i) −x+2, −y+2, −z; (ii) x, y−1, z. |
Experimental details
Crystal data | |
Chemical formula | C8H9NO4S |
Mr | 215.23 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 296 |
a, b, c (Å) | 5.2001 (2), 8.6120 (4), 11.2314 (5) |
α, β, γ (°) | 72.675 (3), 84.155 (3), 86.846 (3) |
V (Å3) | 477.50 (4) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.33 |
Crystal size (mm) | 0.19 × 0.09 × 0.02 |
Data collection | |
Diffractometer | Bruker APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1997) |
Tmin, Tmax | 0.941, 0.993 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 9379, 2330, 1261 |
Rint | 0.030 |
(sin θ/λ)max (Å−1) | 0.667 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.043, 0.121, 1.01 |
No. of reflections | 2330 |
No. of parameters | 131 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.21, −0.19 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009) and Mercury (Macrae et al., 2006), SHELXTL (Sheldrick, 2008) and local programs.
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O1i | 0.78 (3) | 1.89 (3) | 2.671 (2) | 172 (4) |
N1—H1···O1 | 0.8600 | 2.0300 | 2.652 (2) | 128.00 |
C4—H4···O3ii | 0.9300 | 2.3700 | 3.235 (3) | 155.0 |
Symmetry codes: (i) −x+2, −y+2, −z; (ii) x, y−1, z. |
Acknowledgements
The authors are grateful to the Higher Education Commission for a grant to purchase he X-ray diffractometer.
References
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Sulfonamides are well known for their enormous potential as biologically active molecules (Hanson et al., 1999; Moree et al., 1991; Rough et al., 1998). Few of these are familiar as anti-hypertensive, anti-convulsant, herbicidal, anti-microbial and anti-microbial activities (Esteve & Bidal, 2002; Soledade et al., 2006; Xiao & Timberlake, 2000; Lee & Lee, 2002). In the present paper, the structure of the 2-[(methylsulfonyl)amino]benzoic acid has been determined as a part of a research program involving the synthesis and biological evaluation of sulfur containing heterocyclic compounds (Zia-ur-Rehman et al., 2005, 2006, 2009). In the molecule of (Fig. 1), bond lengths and bond angles are are almost similar to those in related molecules (Gowda et al., 2007; Arshad et al., 2008) and are within normal ranges. Each molecule exhibits an intramolecular N—H···O hydrogen bond which stabilizes the planar conformation and is linked to an adjacent one through head-to-tail pairs of O—H···O intermolecular interactions giving rise to dimeric motifs typical for carboxylic acids. Neighbouring dimers are further linked to each other through C—H···O interactions (Fig. 2).