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organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 67| Part 9| September 2011| Page o2258
doi:10.1107/S1600536811031102

N-(2,6-Di­methyl­phen­yl)-2,4-di­methyl­benzene­sulfonamide

P. G. Nirmala,a Sabine Forob and B. Thimme Gowdaa*

aDepartment of Chemistry, Mangalore University, Mangalagangotri 574 199, Mangalore, India, and bInstitute of Materials Science, Darmstadt University of Technology, Petersenstrasse 23, D-64287 Darmstadt, Germany
*Correspondence e-mail: gowdabt@yahoo.com

(Received 24 July 2011; accepted 2 August 2011; online 6 August 2011)

Mol­ecules of the title compound, C16H19NO2S, are bent at the S atom with a C—SO2—NH—C torsion angle of −60.0 (2)°. The dihedral angle between the phenyl­sulfonyl and aniline rings is 41.7 (1)°. In the crystal, mol­ecules are packed into centrosymmetric dimers through pairs of N—H⋯O(S) hydrogen bonds.

Related literature

For the preparation of the title compound, see: Savitha & Gowda (2006[Savitha, M. B. & Gowda, B. T. (2006). Z. Naturforsch. Teil A, 60, 600-606.]). For hydrogen-bonding modes of sulfonamides, see: Adsmond & Grant (2001[Adsmond, D. A. & Grant, D. J. W. (2001). J. Pharm. Sci. 90, 2058-2077.]). For studies on the effects of substituents on the structures and other aspects of N-(ar­yl)-amides, see: Arjunan et al. (2004[Arjunan, V., Mohan, S., Subramanian, S. & Gowda, B. T. (2004). Spectrochim. Acta Part A, 60, 1141-1159.]); Gowda et al. (2000[Gowda, B. T., Paulus, H. & Fuess, H. (2000). Z. Naturforsch. Teil A, 55, 711-720.]), on N-(ar­yl)-methane­sulfonamides, see: Gowda et al. (2007[Gowda, B. T., Foro, S. & Fuess, H. (2007). Acta Cryst. E63, o2597.]), on N-(ar­yl)-aryl­sulfonamides, see: Gelbrich et al. (2007[Gelbrich, T., Hursthouse, M. B. & Threlfall, T. L. (2007). Acta Cryst. B63, 621-632.]); Nirmala et al. (2010[Nirmala, P. G., Gowda, B. T., Foro, S. & Fuess, H. (2010). Acta Cryst. E66, o1059.]); Perlovich et al. (2006[Perlovich, G. L., Tkachev, V. V., Schaper, K.-J. & Raevsky, O. A. (2006). Acta Cryst. E62, o780-o782.]), and on N-chloro-aryl­sulfonamides, see: Gowda et al. (2003[Gowda, B. T., D'Souza, J. D. & Kumar, B. H. A. (2003). Z. Naturforsch. Teil A, 58, 51-56.]).

[Scheme 1]

Experimental

Crystal data

  • C16H19NO2S

  • Mr = 289.38

  • Monoclinic, P 2/c

  • a = 11.119 (2) Å

  • b = 8.312 (1) Å

  • c = 16.043 (2) Å

  • β = 97.27 (1)°

  • V = 1470.8 (4) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.22 mm−1

  • T = 293 K

  • 0.48 × 0.36 × 0.20 mm
Data collection

  • Oxford Diffraction Xcalibur diffractometer with a Sapphire CCD detector

  • Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2009[Oxford Diffraction (2009). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Yarnton, England.]) Tmin = 0.901, Tmax = 0.957

  • 5256 measured reflections

  • 2685 independent reflections

  • 2107 reflections with I > 2σ(I)

  • Rint = 0.021
Refinement

  • R[F2 > 2σ(F2)] = 0.043

  • wR(F2) = 0.125

  • S = 1.04

  • 2685 reflections

  • 188 parameters

  • 1 restraint

  • H atoms treated by a mixture of independent and constrained refinement

  • Δρmax = 0.28 e Å−3

  • Δρmin = −0.28 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A D⋯A D—H⋯A
N1—H1N⋯O2i 0.83 (2) 2.20 (2) 3.024 (3) 168 (2)
Symmetry code: (i) -x+1, -y+2, -z+1.

Data collection: CrysAlis CCD (Oxford Diffraction, 2009[Oxford Diffraction (2009). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Yarnton, England.]); cell refinement: CrysAlis RED (Oxford Diffraction, 2009[Oxford Diffraction (2009). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Yarnton, England.]); data reduction: CrysAlis RED; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: PLATON (Spek, 2009[Spek, A. L. (2009). Acta Cryst. D65, 148-155.]); software used to prepare material for publication: SHELXL97.

Supporting information

Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536811031102/bt5591sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536811031102/bt5591Isup2.hkl

Supporting information file. DOI: 10.1107/S1600536811031102/bt5591Isup3.cml

checkCIF report


Comment top

The amide and sulfonamide moieties are the constituents of many biologically important compounds. The hydrogen bonding preferences of sulfonamides have been studied (Adsmond & Grant, 2001). As part of our work on the effects of substituents on the structures and other aspects of N-(aryl)-amides (Arjunan et al., 2004; Gowda et al., 2000), N-(aryl)-methanesulfonamides (Gowda et al., 2007), N-(aryl)-arylsulfonamides (Nirmala et al., 2010) and N-chloro-arylsulfonamides (Gowda et al., 2003), in the present work, the crystal structure of 2,4-dimethyl-N-(2,6-dimethylphenyl)benzenesulfonamide (I) has been determined (Fig. 1).

The N—C bond in the C—SO2—NH—C segment has gauche torsions with respect to the S═O bonds. The molecule is bent at the S atom with the C1—SO2—NH—C7 torsion angle of -60.0 (2)°, compared to the values of 70.1 (2) and -66.0 (2)° in the two independent molecules of 2,4-dimethyl-N-(2,3-dimethylphenyl)benzenesulfonamide (II), 66.5 (2)° in 2,4-dimethyl-N-(2,4-dimethylphenyl)-benzenesulfonamide (III), 53.9 (2)° in 2,4-dimethyl-N-(3,5-dimethylphenyl)- benzenesulfonamide (IV) and 46.1 (3)° (molecule 1) and 47.7 (3)° (molecule 2) in the two independent molecules of 2,4-dimethyl-N-(phenyl)- benzenesulfonamide (V)(Nirmala et al., 2010).

The sulfonyl and the anilino benzene rings in (I) are tilted relative to each other by 41.7 (1)°, compared to the values of 41.5 (1) and 43.8 (1)° in the two molecules of (II), 41.0 (1)° in (III), 82.1 (1)° in (IV) and 67.5 (1)° (molecule 1) and 72.9 (1)° (molecule 2) in (V),

The remaining bond parameters in (I) are similar to those observed in (II), (III), (IV), (V) and other aryl sulfonamides (Perlovich et al., 2006; Gelbrich et al., 2007).

In the crystal, packing of molecules into chains through of N—H···O(S) hydrogen bonds (Table 1) is shown in Fig.2.

Related literature top

For the preparation of the title compound, see: Savitha & Gowda (2006). For hydrogen-bonding modes of sulfonamides, see: Adsmond & Grant (2001). For studies on the effects of substituents on the structures and other aspects of N-(aryl)-amides, see: Arjunan et al. (2004); Gowda et al. (2000), on N-(aryl)-methanesulfonamides, see: Gowda et al. (2007), on N-(aryl)-arylsulfonamides, see: Gelbrich et al. (2007); Nirmala et al. (2010); Perlovich et al. (2006), and on N-chloro-arylsulfonamides, see: Gowda et al. (2003).

Experimental top

The solution of m-xylene (10 ml) in chloroform (40 ml) was treated dropwise with chlorosulfonic acid (25 ml) at 0 ° C. After the initial evolution of hydrogen chloride subsided, the reaction mixture was brought to room temperature and poured into crushed ice in a beaker. The chloroform layer was separated, washed with cold water and allowed to evaporate slowly. The residual 2,4-dimethylbenzenesulfonylchloride was treated with 2,6-dimethylaniline in the stoichiometric ratio and boiled for ten minutes. The reaction mixture was then cooled to room temperature and added to ice cold water (100 ml). The resultant solid 2,4-dimethyl-N- (2,6-dimethylphenyl)benzenesulfonamide was filtered under suction and washed thoroughly with cold water. It was then recrystallized to constant melting point from dilute ethanol. The purity of the compound was checked and characterized by recording its infrared and NMR spectra (Savitha & Gowda, 2006).

The prism like colourless single crystals used in X-ray diffraction studies were grown in ethanolic solution by a slow evaporation at room temperature.

Refinement top

The H atom of the NH group was located in a difference map and later restrained to the distance N—H = 0.86 (2) Å. The other H atoms were positioned with idealized geometry using a riding model with the aromatic C—H = 0.93Å and methyl C—H = 0.96 Å. The Uiso(H) values were set at 1.2Ueq(C-aromatic, N) and 1.5Ueq(C-methyl)..

Computing details top

Data collection: CrysAlis CCD (Oxford Diffraction, 2009); cell refinement: CrysAlis RED (Oxford Diffraction, 2009); data reduction: CrysAlis RED (Oxford Diffraction, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top
[Figure 1] Fig. 1. Molecular structure of the title compound, showing the atom labelling scheme and displacement ellipsoids are drawn at the 50% probability level.
[Figure 2] Fig. 2. Molecular packing of (I) with hydrogen bonding shown as dashed lines.
N-(2,6-Dimethylphenyl)-2,4-dimethylbenzenesulfonamide top
Crystal data top
C16H19NO2SF(000) = 616
Mr = 289.38Dx = 1.307 Mg m−3
Monoclinic, P2/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ycCell parameters from 922 reflections
a = 11.119 (2) Åθ = 2.5–27.7°
b = 8.312 (1) ŵ = 0.22 mm−1
c = 16.043 (2) ÅT = 293 K
β = 97.27 (1)°Prism, colourless
V = 1470.8 (4) Å30.48 × 0.36 × 0.20 mm
Z = 4
Data collection top
Oxford Diffraction Xcalibur
diffractometer with a Sapphire CCD detector		2685 independent reflections
Radiation source: fine-focus sealed tube2107 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.021
Rotation method data acquisition using ω and ϕ scansθmax = 25.4°, θmin = 3.0°
Absorption correction: multi-scan
(CrysAlis RED; Oxford Diffraction, 2009)		h = −12→13
Tmin = 0.901, Tmax = 0.957k = −6→10
5256 measured reflectionsl = −19→11
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.043Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.125H atoms treated by a mixture of independent and constrained refinement
S = 1.04 w = 1/[σ2(Fo2) + (0.0674P)2 + 0.5567P]
where P = (Fo2 + 2Fc2)/3
2685 reflections(Δ/σ)max = 0.005
188 parametersΔρmax = 0.28 e Å−3
1 restraintΔρmin = −0.28 e Å−3
Crystal data top
C16H19NO2SV = 1470.8 (4) Å3
Mr = 289.38Z = 4
Monoclinic, P2/cMo Kα radiation
a = 11.119 (2) ŵ = 0.22 mm−1
b = 8.312 (1) ÅT = 293 K
c = 16.043 (2) Å0.48 × 0.36 × 0.20 mm
β = 97.27 (1)°
Data collection top
Oxford Diffraction Xcalibur
diffractometer with a Sapphire CCD detector		2685 independent reflections
Absorption correction: multi-scan
(CrysAlis RED; Oxford Diffraction, 2009)		2107 reflections with I > 2σ(I)
Tmin = 0.901, Tmax = 0.957Rint = 0.021
5256 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0431 restraint
wR(F2) = 0.125H atoms treated by a mixture of independent and constrained refinement
S = 1.04Δρmax = 0.28 e Å−3
2685 reflectionsΔρmin = −0.28 e Å−3
188 parameters
Special details top

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
C10.21154 (19)0.9601 (3)0.45025 (12)0.0397 (5)
C20.1037 (2)0.9068 (3)0.40278 (14)0.0461 (6)
C30.0200 (2)1.0252 (3)0.37507 (17)0.0566 (7)
H3−0.05200.99330.34350.068*
C40.0369 (2)1.1871 (3)0.39137 (16)0.0541 (6)
C50.1448 (2)1.2349 (3)0.43770 (15)0.0529 (6)
H50.15901.34340.44930.063*
C60.2309 (2)1.1225 (3)0.46654 (14)0.0444 (5)
H60.30301.15590.49740.053*
C70.37589 (17)0.7507 (3)0.33206 (12)0.0355 (5)
C80.37653 (19)0.5848 (3)0.31960 (14)0.0432 (5)
C90.3293 (2)0.5267 (3)0.24105 (15)0.0540 (6)
H90.32600.41630.23170.065*
C100.2874 (2)0.6298 (3)0.17701 (15)0.0563 (7)
H100.25510.58880.12500.068*
C110.2929 (2)0.7931 (3)0.18931 (14)0.0484 (6)
H110.26650.86150.14490.058*
C120.33732 (19)0.8582 (3)0.26703 (13)0.0400 (5)
C130.0733 (2)0.7344 (3)0.38090 (19)0.0631 (7)
H13A0.06830.67430.43150.076*
H13B0.13540.68920.35150.076*
H13C−0.00320.72950.34570.076*
C14−0.0588 (3)1.3083 (4)0.3596 (2)0.0775 (9)
H14A−0.10991.32880.40240.093*
H14B−0.10681.26680.31040.093*
H14C−0.02051.40670.34580.093*
C150.4295 (2)0.4694 (3)0.38653 (16)0.0560 (6)
H15A0.37500.45810.42800.067*
H15B0.50600.50990.41260.067*
H15C0.44140.36650.36160.067*
C160.3431 (2)1.0378 (3)0.27633 (15)0.0517 (6)
H16A0.41051.06630.31710.062*
H16B0.26941.07610.29460.062*
H16C0.35321.08570.22320.062*
N10.42138 (16)0.8124 (2)0.41422 (10)0.0386 (4)
H1N0.466 (2)0.894 (2)0.4152 (15)0.046*
O10.28375 (16)0.6738 (2)0.50137 (10)0.0517 (4)
O20.40451 (14)0.9080 (2)0.55574 (9)0.0496 (4)
S10.33235 (5)0.82853 (7)0.48727 (3)0.04002 (19)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C10.0382 (11)0.0462 (13)0.0339 (11)−0.0007 (10)0.0014 (9)0.0020 (9)
C20.0381 (12)0.0505 (14)0.0486 (13)−0.0031 (11)0.0011 (10)0.0001 (11)
C30.0361 (12)0.0683 (18)0.0624 (15)−0.0012 (12)−0.0053 (11)0.0030 (13)
C40.0458 (14)0.0574 (16)0.0592 (15)0.0104 (12)0.0067 (12)0.0063 (12)
C50.0579 (15)0.0475 (14)0.0533 (14)0.0033 (12)0.0070 (12)−0.0027 (11)
C60.0447 (12)0.0478 (14)0.0396 (12)−0.0007 (11)0.0006 (10)−0.0038 (10)
C70.0288 (10)0.0451 (12)0.0306 (10)0.0006 (9)−0.0037 (8)−0.0007 (9)
C80.0362 (11)0.0452 (14)0.0464 (12)0.0010 (10)−0.0016 (9)−0.0017 (10)
C90.0522 (14)0.0509 (15)0.0562 (15)−0.0032 (12)−0.0036 (12)−0.0148 (12)
C100.0496 (14)0.0730 (18)0.0425 (13)−0.0029 (13)−0.0091 (11)−0.0152 (12)
C110.0434 (13)0.0666 (17)0.0327 (11)0.0052 (12)−0.0049 (10)0.0016 (11)
C120.0347 (11)0.0502 (14)0.0341 (11)0.0022 (10)0.0004 (9)0.0002 (9)
C130.0477 (14)0.0585 (16)0.0784 (18)−0.0082 (13)−0.0109 (13)−0.0060 (14)
C140.0596 (17)0.075 (2)0.096 (2)0.0187 (16)0.0015 (16)0.0111 (17)
C150.0622 (15)0.0474 (14)0.0562 (15)0.0072 (13)−0.0008 (12)0.0045 (11)
C160.0613 (15)0.0502 (15)0.0425 (12)0.0019 (12)0.0027 (11)0.0079 (11)
N10.0387 (10)0.0431 (11)0.0317 (9)−0.0037 (8)−0.0039 (7)−0.0021 (8)
O10.0561 (10)0.0492 (10)0.0493 (9)−0.0023 (8)0.0044 (8)0.0109 (7)
O20.0516 (9)0.0622 (11)0.0313 (8)0.0006 (8)−0.0089 (7)−0.0041 (7)
S10.0414 (3)0.0467 (3)0.0300 (3)−0.0006 (2)−0.0033 (2)0.0015 (2)
Geometric parameters (Å, º) top
C1—C61.387 (3)C10—H100.9300
C1—C21.408 (3)C11—C121.391 (3)
C1—S11.775 (2)C11—H110.9300
C2—C31.388 (3)C12—C161.500 (3)
C2—C131.504 (4)C13—H13A0.9600
C3—C41.379 (4)C13—H13B0.9600
C3—H30.9300C13—H13C0.9600
C4—C51.387 (4)C14—H14A0.9600
C4—C141.506 (4)C14—H14B0.9600
C5—C61.375 (3)C14—H14C0.9600
C5—H50.9300C15—H15A0.9600
C6—H60.9300C15—H15B0.9600
C7—C81.394 (3)C15—H15C0.9600
C7—C121.399 (3)C16—H16A0.9600
C7—N11.445 (2)C16—H16B0.9600
C8—C91.389 (3)C16—H16C0.9600
C8—C151.503 (3)N1—S11.6325 (19)
C9—C101.373 (4)N1—H1N0.834 (16)
C9—H90.9300O1—S11.4242 (17)
C10—C111.372 (4)O2—S11.4364 (15)
C6—C1—C2120.6 (2)C7—C12—C16123.77 (19)
C6—C1—S1116.35 (17)C2—C13—H13A109.5
C2—C1—S1122.97 (18)C2—C13—H13B109.5
C3—C2—C1116.1 (2)H13A—C13—H13B109.5
C3—C2—C13118.7 (2)C2—C13—H13C109.5
C1—C2—C13125.2 (2)H13A—C13—H13C109.5
C4—C3—C2124.2 (2)H13B—C13—H13C109.5
C4—C3—H3117.9C4—C14—H14A109.5
C2—C3—H3117.9C4—C14—H14B109.5
C3—C4—C5117.9 (2)H14A—C14—H14B109.5
C3—C4—C14121.0 (3)C4—C14—H14C109.5
C5—C4—C14121.0 (3)H14A—C14—H14C109.5
C6—C5—C4120.3 (2)H14B—C14—H14C109.5
C6—C5—H5119.9C8—C15—H15A109.5
C4—C5—H5119.9C8—C15—H15B109.5
C5—C6—C1120.9 (2)H15A—C15—H15B109.5
C5—C6—H6119.6C8—C15—H15C109.5
C1—C6—H6119.6H15A—C15—H15C109.5
C8—C7—C12122.12 (19)H15B—C15—H15C109.5
C8—C7—N1118.32 (18)C12—C16—H16A109.5
C12—C7—N1119.50 (19)C12—C16—H16B109.5
C9—C8—C7117.8 (2)H16A—C16—H16B109.5
C9—C8—C15119.7 (2)C12—C16—H16C109.5
C7—C8—C15122.5 (2)H16A—C16—H16C109.5
C10—C9—C8121.0 (2)H16B—C16—H16C109.5
C10—C9—H9119.5C7—N1—S1120.67 (14)
C8—C9—H9119.5C7—N1—H1N116.2 (16)
C11—C10—C9120.3 (2)S1—N1—H1N109.3 (17)
C11—C10—H10119.8O1—S1—O2118.69 (10)
C9—C10—H10119.8O1—S1—N1108.46 (10)
C10—C11—C12121.2 (2)O2—S1—N1104.84 (9)
C10—C11—H11119.4O1—S1—C1108.85 (10)
C12—C11—H11119.4O2—S1—C1107.37 (10)
C11—C12—C7117.4 (2)N1—S1—C1108.20 (9)
C11—C12—C16118.8 (2)
C6—C1—C2—C3−0.6 (3)C8—C9—C10—C110.8 (4)
S1—C1—C2—C3−177.08 (18)C9—C10—C11—C12−2.0 (4)
C6—C1—C2—C13179.7 (2)C10—C11—C12—C7−0.1 (3)
S1—C1—C2—C133.2 (3)C10—C11—C12—C16179.0 (2)
C1—C2—C3—C4−0.1 (4)C8—C7—C12—C113.3 (3)
C13—C2—C3—C4179.6 (3)N1—C7—C12—C11−179.25 (19)
C2—C3—C4—C50.7 (4)C8—C7—C12—C16−175.7 (2)
C2—C3—C4—C14−179.5 (3)N1—C7—C12—C161.7 (3)
C3—C4—C5—C6−0.5 (4)C8—C7—N1—S1−86.7 (2)
C14—C4—C5—C6179.7 (2)C12—C7—N1—S195.8 (2)
C4—C5—C6—C1−0.2 (4)C7—N1—S1—O157.93 (19)
C2—C1—C6—C50.8 (3)C7—N1—S1—O2−174.33 (16)
S1—C1—C6—C5177.48 (18)C7—N1—S1—C1−59.99 (19)
C12—C7—C8—C9−4.4 (3)C6—C1—S1—O1153.48 (17)
N1—C7—C8—C9178.15 (19)C2—C1—S1—O1−29.9 (2)
C12—C7—C8—C15173.6 (2)C6—C1—S1—O223.8 (2)
N1—C7—C8—C15−3.8 (3)C2—C1—S1—O2−159.61 (18)
C7—C8—C9—C102.3 (4)C6—C1—S1—N1−88.85 (18)
C15—C8—C9—C10−175.8 (2)C2—C1—S1—N187.7 (2)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1N···O2i0.83 (2)2.20 (2)3.024 (3)168 (2)
Symmetry code: (i) −x+1, −y+2, −z+1.

Experimental details

Crystal data
Chemical formulaC16H19NO2S
Mr289.38
Crystal system, space groupMonoclinic, P2/c
Temperature (K)293
a, b, c (Å)11.119 (2), 8.312 (1), 16.043 (2)
β (°) 97.27 (1)
V (Å3)1470.8 (4)
Z4
Radiation typeMo Kα
µ (mm−1)0.22
Crystal size (mm)0.48 × 0.36 × 0.20
Data collection
DiffractometerOxford Diffraction Xcalibur
diffractometer with a Sapphire CCD detector
Absorption correctionMulti-scan
(CrysAlis RED; Oxford Diffraction, 2009)
Tmin, Tmax0.901, 0.957
No. of measured, independent and
observed [I > 2σ(I)] reflections		5256, 2685, 2107
Rint0.021
(sin θ/λ)max (Å−1)0.602
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.043, 0.125, 1.04
No. of reflections2685
No. of parameters188
No. of restraints1
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)0.28, −0.28

Computer programs: CrysAlis CCD (Oxford Diffraction, 2009), CrysAlis RED (Oxford Diffraction, 2009), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1N···O2i0.834 (16)2.203 (17)3.024 (3)168 (2)
Symmetry code: (i) −x+1, −y+2, −z+1.
 

Acknowledgements

KS thanks the University Grants Commission, Government of India, New Delhi, for the award of a research fellowship under its faculty improvement program.

References

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ISSN: 2056-9890
Volume 67| Part 9| September 2011| Page o2258
doi:10.1107/S1600536811031102
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