organic compounds
[4-(Methylsulfonyl)phenyl]acetic acid
aDepartment of Chemistry, Lishui University, 323000 Lishui, Zhejiang Province, People's Republic of China
*Correspondence e-mail: guosr9608@163.com
In the 9H10O4S, centrosymmetrically related molecules are linked into dimers by intermolecular O—H⋯O hydrogen bonds. Unconventional C—H⋯O hydrogen-bond interactions are also present, connecting dimers into a three-dimensional network.
of the title compound, CRelated literature
For general background on the properties of the title compound and its derivatives, see: Parimalan et al. (2008); Giridhar et al. (2006). For the crystal structures of related compounds, see: Guo & Yuan (2006); Hartung et al. (2004); Hodgson & Asplund (1991). For hydrogen-bond motifs, see: Bernstein et al. (1995).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2002); cell SAINT (Bruker, 2002); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S160053680803660X/rz2263sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053680803660X/rz2263Isup2.hkl
1-(4-Methanesulfonyl-phenyl)-ethanone (20 mmol), morpholine (60 mmol) and elemental sulfur (40 mmol) were added in a round-bottom flask and refluxed for 2 h at 398 K. A 3N solution of NaOH (20 ml) was then added, and the reaction mixture refluxed for an additional 30 min. After cooling, the mixture was filtered and the filtrate was acidified with HCl to pH 6. The solution was again filtered off and washed with ethyl acetate. The resulting aqueous fraction was finally acidified with diluted HCl, to yield the pure product as a white solid. Crystals suitable for X-ray analysis were obtained by slow evaporation of an ethanol/water (1:1 v/v) solution.
All H atoms were placed at calculated positions and constrained to ride on their parent atoms, with O—H = 0.82 Å, C—H = 0.93-0.97 Å and with Uiso(H) = 1.2 Ueq(C) or 1.5 Ueq(C, O) for hydroxy and methyl H atoms.
Data collection: SMART (Bruker, 2002); cell
SAINT (Bruker, 2002); data reduction: SAINT (Bruker, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. The molecular structure of the title compound, with the atom-labeling scheme and 50% probability displacement ellipsoids. |
C9H10O4S | F(000) = 448 |
Mr = 214.23 | Dx = 1.456 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 2824 reflections |
a = 19.086 (7) Å | θ = 2.2–27.7° |
b = 4.9711 (18) Å | µ = 0.32 mm−1 |
c = 10.724 (4) Å | T = 298 K |
β = 106.102 (6)° | Block, colourless |
V = 977.5 (6) Å3 | 0.52 × 0.30 × 0.24 mm |
Z = 4 |
Bruker APEX area-detector diffractometer | 1638 independent reflections |
Radiation source: fine-focus sealed tube | 1502 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.020 |
ϕ and ω scans | θmax = 25.0°, θmin = 1.1° |
Absorption correction: multi-scan (SADABS; Sheldrick, 2004) | h = −22→22 |
Tmin = 0.853, Tmax = 0.928 | k = −5→5 |
4462 measured reflections | l = −11→12 |
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)] = 0.048 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.140 | H-atom parameters constrained |
S = 1.11 | w = 1/[σ2(Fo2) + (0.0848P)2 + 0.3788P] where P = (Fo2 + 2Fc2)/3 |
1638 reflections | (Δ/σ)max = 0.001 |
129 parameters | Δρmax = 0.24 e Å−3 |
0 restraints | Δρmin = −0.43 e Å−3 |
C9H10O4S | V = 977.5 (6) Å3 |
Mr = 214.23 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 19.086 (7) Å | µ = 0.32 mm−1 |
b = 4.9711 (18) Å | T = 298 K |
c = 10.724 (4) Å | 0.52 × 0.30 × 0.24 mm |
β = 106.102 (6)° |
Bruker APEX area-detector diffractometer | 1638 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 2004) | 1502 reflections with I > 2σ(I) |
Tmin = 0.853, Tmax = 0.928 | Rint = 0.020 |
4462 measured reflections |
R[F2 > 2σ(F2)] = 0.048 | 0 restraints |
wR(F2) = 0.140 | H-atom parameters constrained |
S = 1.11 | Δρmax = 0.24 e Å−3 |
1638 reflections | Δρmin = −0.43 e Å−3 |
129 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 | 0.38734 (3) | 0.64558 (12) | 1.01463 (5) | 0.0408 (3) | |
O1 | 0.41630 (11) | 0.5716 (4) | 0.90951 (18) | 0.0609 (6) | |
O2 | 0.36962 (11) | 0.4358 (4) | 1.09321 (19) | 0.0575 (5) | |
O3 | 0.07977 (10) | 0.9489 (5) | 0.6087 (2) | 0.0694 (7) | |
O4 | 0.00360 (10) | 1.2830 (5) | 0.6090 (2) | 0.0677 (6) | |
H4 | −0.0197 | 1.2097 | 0.5418 | 0.102* | |
C1 | 0.44823 (14) | 0.8670 (5) | 1.1176 (3) | 0.0487 (6) | |
H1A | 0.4947 | 0.7807 | 1.1501 | 0.073* | |
H1B | 0.4296 | 0.9159 | 1.1889 | 0.073* | |
H1C | 0.4537 | 1.0256 | 1.0701 | 0.073* | |
C2 | 0.30708 (12) | 0.8358 (4) | 0.9483 (2) | 0.0361 (5) | |
C3 | 0.30404 (13) | 1.0060 (5) | 0.8448 (2) | 0.0425 (6) | |
H3 | 0.3440 | 1.0226 | 0.8117 | 0.051* | |
C4 | 0.24133 (14) | 1.1507 (5) | 0.7913 (2) | 0.0481 (6) | |
H4A | 0.2393 | 1.2662 | 0.7221 | 0.058* | |
C5 | 0.18090 (13) | 1.1260 (5) | 0.8396 (2) | 0.0434 (6) | |
C6 | 0.18554 (13) | 0.9570 (6) | 0.9437 (3) | 0.0491 (6) | |
H6 | 0.1458 | 0.9413 | 0.9775 | 0.059* | |
C7 | 0.24791 (13) | 0.8111 (5) | 0.9986 (2) | 0.0457 (6) | |
H7 | 0.2502 | 0.6975 | 1.0685 | 0.055* | |
C8 | 0.11162 (14) | 1.2792 (6) | 0.7781 (3) | 0.0571 (7) | |
H8A | 0.0838 | 1.2955 | 0.8410 | 0.069* | |
H8B | 0.1244 | 1.4594 | 0.7574 | 0.069* | |
C9 | 0.06426 (13) | 1.1525 (5) | 0.6574 (3) | 0.0451 (6) |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0481 (4) | 0.0392 (4) | 0.0331 (4) | 0.0129 (2) | 0.0079 (3) | −0.0027 (2) |
O1 | 0.0635 (11) | 0.0752 (13) | 0.0449 (11) | 0.0256 (10) | 0.0164 (9) | −0.0110 (10) |
O2 | 0.0767 (13) | 0.0387 (10) | 0.0564 (12) | 0.0120 (9) | 0.0176 (10) | 0.0082 (8) |
O3 | 0.0530 (11) | 0.0703 (14) | 0.0648 (13) | 0.0194 (10) | −0.0170 (9) | −0.0235 (11) |
O4 | 0.0509 (11) | 0.0665 (13) | 0.0667 (14) | 0.0203 (10) | −0.0155 (9) | −0.0117 (11) |
C1 | 0.0470 (13) | 0.0516 (15) | 0.0415 (14) | 0.0117 (11) | 0.0024 (11) | −0.0031 (11) |
C2 | 0.0381 (11) | 0.0374 (12) | 0.0294 (11) | 0.0036 (9) | 0.0038 (9) | −0.0038 (9) |
C3 | 0.0420 (12) | 0.0509 (14) | 0.0338 (13) | 0.0017 (10) | 0.0090 (10) | 0.0022 (10) |
C4 | 0.0541 (14) | 0.0492 (15) | 0.0349 (13) | 0.0037 (11) | 0.0022 (11) | 0.0066 (10) |
C5 | 0.0387 (12) | 0.0450 (14) | 0.0378 (13) | 0.0031 (10) | −0.0038 (10) | −0.0110 (10) |
C6 | 0.0386 (12) | 0.0585 (15) | 0.0499 (15) | 0.0000 (11) | 0.0116 (11) | −0.0038 (13) |
C7 | 0.0486 (13) | 0.0489 (14) | 0.0401 (14) | 0.0013 (11) | 0.0132 (11) | 0.0062 (11) |
C8 | 0.0487 (14) | 0.0545 (16) | 0.0557 (17) | 0.0130 (13) | −0.0061 (12) | −0.0132 (13) |
C9 | 0.0364 (12) | 0.0471 (15) | 0.0449 (14) | 0.0044 (10) | −0.0001 (10) | 0.0002 (11) |
S1—O1 | 1.4342 (19) | C3—C4 | 1.378 (4) |
S1—O2 | 1.439 (2) | C3—H3 | 0.9300 |
S1—C1 | 1.752 (3) | C4—C5 | 1.394 (4) |
S1—C2 | 1.773 (2) | C4—H4A | 0.9300 |
O3—C9 | 1.212 (3) | C5—C6 | 1.380 (4) |
O4—C9 | 1.303 (3) | C5—C8 | 1.510 (3) |
O4—H4 | 0.8200 | C6—C7 | 1.379 (4) |
C1—H1A | 0.9600 | C6—H6 | 0.9300 |
C1—H1B | 0.9600 | C7—H7 | 0.9300 |
C1—H1C | 0.9600 | C8—C9 | 1.497 (4) |
C2—C3 | 1.384 (3) | C8—H8A | 0.9700 |
C2—C7 | 1.386 (3) | C8—H8B | 0.9700 |
O1—S1—O2 | 118.61 (12) | C3—C4—H4A | 119.6 |
O1—S1—C1 | 108.87 (13) | C5—C4—H4A | 119.6 |
O2—S1—C1 | 107.99 (13) | C6—C5—C4 | 118.7 (2) |
O1—S1—C2 | 107.44 (11) | C6—C5—C8 | 120.8 (2) |
O2—S1—C2 | 107.72 (12) | C4—C5—C8 | 120.5 (2) |
C1—S1—C2 | 105.44 (11) | C7—C6—C5 | 121.3 (2) |
C9—O4—H4 | 109.5 | C7—C6—H6 | 119.3 |
S1—C1—H1A | 109.5 | C5—C6—H6 | 119.3 |
S1—C1—H1B | 109.5 | C6—C7—C2 | 119.2 (2) |
H1A—C1—H1B | 109.5 | C6—C7—H7 | 120.4 |
S1—C1—H1C | 109.5 | C2—C7—H7 | 120.4 |
H1A—C1—H1C | 109.5 | C9—C8—C5 | 114.3 (2) |
H1B—C1—H1C | 109.5 | C9—C8—H8A | 108.7 |
C3—C2—C7 | 120.6 (2) | C5—C8—H8A | 108.7 |
C3—C2—S1 | 119.18 (17) | C9—C8—H8B | 108.7 |
C7—C2—S1 | 120.22 (18) | C5—C8—H8B | 108.7 |
C4—C3—C2 | 119.5 (2) | H8A—C8—H8B | 107.6 |
C4—C3—H3 | 120.3 | O3—C9—O4 | 122.7 (2) |
C2—C3—H3 | 120.3 | O3—C9—C8 | 124.2 (2) |
C3—C4—C5 | 120.8 (2) | O4—C9—C8 | 113.0 (2) |
O1—S1—C2—C3 | −35.3 (2) | C3—C4—C5—C8 | −178.3 (2) |
O2—S1—C2—C3 | −164.15 (19) | C4—C5—C6—C7 | −1.0 (4) |
C1—S1—C2—C3 | 80.7 (2) | C8—C5—C6—C7 | 178.4 (2) |
O1—S1—C2—C7 | 143.9 (2) | C5—C6—C7—C2 | 0.2 (4) |
O2—S1—C2—C7 | 15.0 (2) | C3—C2—C7—C6 | 0.5 (4) |
C1—S1—C2—C7 | −100.1 (2) | S1—C2—C7—C6 | −178.71 (19) |
C7—C2—C3—C4 | −0.3 (4) | C6—C5—C8—C9 | −98.9 (3) |
S1—C2—C3—C4 | 178.84 (19) | C4—C5—C8—C9 | 80.5 (3) |
C2—C3—C4—C5 | −0.4 (4) | C5—C8—C9—O3 | −2.1 (4) |
C3—C4—C5—C6 | 1.1 (4) | C5—C8—C9—O4 | 177.6 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4···O3i | 0.82 | 1.87 | 2.693 (3) | 175 |
C3—H3···O2ii | 0.93 | 2.53 | 3.287 (3) | 139 |
C1—H1B···O1iii | 0.96 | 2.45 | 3.365 (4) | 160 |
Symmetry codes: (i) −x, −y+2, −z+1; (ii) x, −y+3/2, z−1/2; (iii) x, −y+3/2, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C9H10O4S |
Mr | 214.23 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 298 |
a, b, c (Å) | 19.086 (7), 4.9711 (18), 10.724 (4) |
β (°) | 106.102 (6) |
V (Å3) | 977.5 (6) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.32 |
Crystal size (mm) | 0.52 × 0.30 × 0.24 |
Data collection | |
Diffractometer | Bruker APEX area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 2004) |
Tmin, Tmax | 0.853, 0.928 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4462, 1638, 1502 |
Rint | 0.020 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.048, 0.140, 1.11 |
No. of reflections | 1638 |
No. of parameters | 129 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.24, −0.43 |
Computer programs: SMART (Bruker, 2002), SAINT (Bruker, 2002), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4···O3i | 0.82 | 1.87 | 2.693 (3) | 175.4 |
C3—H3···O2ii | 0.93 | 2.53 | 3.287 (3) | 138.6 |
C1—H1B···O1iii | 0.96 | 2.45 | 3.365 (4) | 159.5 |
Symmetry codes: (i) −x, −y+2, −z+1; (ii) x, −y+3/2, z−1/2; (iii) x, −y+3/2, z+1/2. |
Acknowledgements
The authors thank Zhengjiang Natural Science Foundation for financial support (Y407240).
References
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The title compound, C9H10O4S, and its substituted derivatives have been found to possess an auxin-like activity (Parimalan et al., 2008; Giridhar et al., 2006). These compounds, which are predominantly found in fruits, can be used in the synthesis of pharmaceutical intermediates, some perfumes and non-steroidal anti-inflammatory drugs.
In the molecule of the title compound (Fig. 1), bond lengths and angles agree well with those observed in similar compounds (Guo & Yuan, 2006; Hartung et al., 2004; Hodgson & Asplund, 1991). The S═O bond lengths within the SO2Me group are not significantly different, with an average value of 1.4366 (10) Å. The average bond length for the two C—S bonds is 1.762 (3) Å. In the crystal packing, centrosymmetrically related molecules are linked into dimers by intermolecular O—H···O hydrogen bonds (Table 1) generating an eight-membered ring of graph set R22(8) (Bernstein et al., 1995). The dimers are further linked into a three-dimensional network by unconventional C—H···O hydrogen bonding interactions. The corresponding phenylacetic acid derive without the SO2Me group (Hartung et al., 2004) forms helical columns of single enantiomers linked by hydrogen bonds between the acidic proton of one molecule and the methoxy O atom of a neighbouring molecule, to give an overall racemic structure.