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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 11| November 2011| Page o2930
doi:10.1107/S1600536811041341

4-Chloro-N-(3,4-di­methyl­phen­yl)-2-methyl­benzene­sulfonamide

Vinola Z. Rodrigues,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 3 October 2011; accepted 7 October 2011; online 12 October 2011)

In the title compound, C15H16ClNO2S, the conformation of the N—C bond in the C—SO2—NH—C segment is gauche with respect to the S=O bonds. Further, the N—H bond in the C—SO2—NH—C segment is syn with respect to the meta-methyl group in the aniline benzene ring and the ortho-methyl group in the sulfonyl benzene ring. The C—SO2—NH—C torsion angle is −49.72 (18)°. The sulfonyl and aniline benzene rings are tilted relative to each other by 71.6 (1)°. The crystal structure features inversion-related dimers linked by pairs of N—H⋯O 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, 61, 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: Gowda et al. (2007a[Gowda, B. T., Foro, S. & Fuess, H. (2007a). Acta Cryst. E63, o1975-o1976.]), on N-(ar­yl)-methane­sulfonamides, see: Gowda et al. (2007b[Gowda, B. T., Foro, S. & Fuess, H. (2007b). Acta Cryst. E63, o2339.]), on N-(ar­yl)-aryl­sulfonamides, see: Gelbrich et al. (2007[Gelbrich, T., Hursthouse, M. B. & Threlfall, T. L. (2007). Acta Cryst. B63, 621-632.]); Perlovich et al. (2006[Perlovich, G. L., Tkachev, V. V., Schaper, K.-J. & Raevsky, O. A. (2006). Acta Cryst. E62, o780-o782.]); Rodrigues et al. (2011[Rodrigues, V. Z., Foro, S. & Gowda, B. T. (2011). Acta Cryst. E67, o2648.]); Shetty & Gowda (2005[Shetty, M. & Gowda, B. T. (2005). Z. Naturforsch. Teil A, 60, 113-120.]) and on N-(chloro)-aryl­sulfonamides, see: Gowda et al. (2003[Gowda, B. T. & Kumar, B. H. A. (2003). Oxid. Commun. A, 26, 403-425.]).

[Scheme 1]

Experimental

Crystal data

  • C15H16ClNO2S

  • Mr = 309.80

  • Triclinic, [P \overline 1]

  • a = 8.1321 (9) Å

  • b = 8.1604 (9) Å

  • c = 12.456 (1) Å

  • α = 80.991 (9)°

  • β = 72.903 (8)°

  • γ = 78.979 (8)°

  • V = 771.04 (14) Å3

  • Z = 2

  • Mo Kα radiation

  • μ = 0.38 mm−1

  • T = 293 K

  • 0.50 × 0.44 × 0.40 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 = 0.832, Tmax = 0.862

  • 5220 measured reflections

  • 3126 independent reflections

  • 2631 reflections with I > 2σ(I)

  • Rint = 0.008
Refinement

  • R[F2 > 2σ(F2)] = 0.037

  • wR(F2) = 0.109

  • S = 1.05

  • 3126 reflections

  • 187 parameters

  • 1 restraint

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

  • Δρmax = 0.25 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⋯O1i 0.83 (2) 2.07 (2) 2.899 (2) 175 (2)
Symmetry code: (i) -x+1, -y+1, -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/S1600536811041341/nc2250sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536811041341/nc2250Isup2.hkl

Supporting information file. DOI: 10.1107/S1600536811041341/nc2250Isup3.cml

checkCIF report


Comment top

The sulfonamide moiety is the constituent of many biologically important compounds. The hydrogen bonding preferences of sulfonamides have been investigated (Adsmond & Grant, 2001). As part of our studies on the substituent effects on the structures and other aspects of N-(aryl)-amides (Gowda et al., 2007a), N-(aryl)-methanesulfonamides (Gowda et al., 2007b), N-(aryl)-arylsulfonamides (Rodrigues et al., 2011; Shetty & Gowda, 2005) and N-(chloro)-arylsulfonamides (Gowda et al., 2003), in the present work, the crystal structure of 4-Chloro-2-methyl-N-(3,4-dimethylphenyl)benzenesulfonamide (I) has been determined (Fig. 1).

In (I), the N—H bond in the C—SO2—NH—C segment is syn with respect to the meta-methyl group in the anilino benzene ring and ortho-methyl group in the sulfonyl benzene ring. The molecule is bent at the S atom with the C—SO2—NH—C torsion angle of -49.7 (2), compared to the value of 67.5 (2) in 4-Chloro-2-methyl-N- (2,4-dimethylphenyl)benzenesulfonamide (II) (Rodrigues et al., 2011).

The sulfonyl and the aniline benzene rings are tilted relative to each other by 71.6 (1)°, compared to the values of 44.5 (1)° in (II).

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

In the crystal structure two molecules each are linked by intermolecular N–H···O hydrogen bonding into dimers that are located on centres of inversion (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: Gowda et al. (2007a), on N-(aryl)-methanesulfonamides, see: Gowda et al. (2007b), on N-(aryl)-arylsulfonamides, see: Gelbrich et al. (2007); Perlovich et al. (2006); Rodrigues et al. (2011); Shetty & Gowda (2005) and on N-(chloro)-arylsulfonamides, see: Gowda et al. (2003).

Experimental top

The solution of m-chlorotoluene (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-methyl-4-chlorobenzenesulfonylchloride was treated with 3,4-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 4-chloro-2-methyl-N- (3,4-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).

Prism like colourless single crystals used in X-ray diffraction studies were grown in ethanolic solution by slow evaporation of the solvent at room temperature.

Refinement top

The H atoms of the NH groups were located in a difference map and later restrained to N—H = 0.86 (2) %A. 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. All H atoms were refined with isotropic displacement parameters. 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.
4-Chloro-N-(3,4-dimethylphenyl)-2-methylbenzenesulfonamide top
Crystal data top
C15H16ClNO2SZ = 2
Mr = 309.80F(000) = 324
Triclinic, P1Dx = 1.334 Mg m−3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 8.1321 (9) ÅCell parameters from 3090 reflections
b = 8.1604 (9) Åθ = 2.6–27.8°
c = 12.456 (1) ŵ = 0.38 mm−1
α = 80.991 (9)°T = 293 K
β = 72.903 (8)°Prism, colourless
γ = 78.979 (8)°0.50 × 0.44 × 0.40 mm
V = 771.04 (14) Å3
Data collection top
Oxford Diffraction Xcalibur
diffractometer with a Sapphire CCD detector		3126 independent reflections
Radiation source: fine-focus sealed tube2631 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.008
Rotation method data acquisition using ω scansθmax = 26.4°, θmin = 2.7°
Absorption correction: multi-scan
(CrysAlis RED; Oxford Diffraction, 2009)		h = −9→10
Tmin = 0.832, Tmax = 0.862k = −8→10
5220 measured reflectionsl = −14→15
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)] = 0.037Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.109H atoms treated by a mixture of independent and constrained refinement
S = 1.05 w = 1/[σ2(Fo2) + (0.0545P)2 + 0.2665P]
where P = (Fo2 + 2Fc2)/3
3126 reflections(Δ/σ)max < 0.001
187 parametersΔρmax = 0.25 e Å−3
1 restraintΔρmin = −0.28 e Å−3
Crystal data top
C15H16ClNO2Sγ = 78.979 (8)°
Mr = 309.80V = 771.04 (14) Å3
Triclinic, P1Z = 2
a = 8.1321 (9) ÅMo Kα radiation
b = 8.1604 (9) ŵ = 0.38 mm−1
c = 12.456 (1) ÅT = 293 K
α = 80.991 (9)°0.50 × 0.44 × 0.40 mm
β = 72.903 (8)°
Data collection top
Oxford Diffraction Xcalibur
diffractometer with a Sapphire CCD detector		3126 independent reflections
Absorption correction: multi-scan
(CrysAlis RED; Oxford Diffraction, 2009)		2631 reflections with I > 2σ(I)
Tmin = 0.832, Tmax = 0.862Rint = 0.008
5220 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0371 restraint
wR(F2) = 0.109H atoms treated by a mixture of independent and constrained refinement
S = 1.05Δρmax = 0.25 e Å−3
3126 reflectionsΔρmin = −0.28 e Å−3
187 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
C10.2471 (2)0.8601 (2)0.62239 (14)0.0382 (4)
C20.1044 (2)0.8022 (2)0.60861 (15)0.0425 (4)
C3−0.0582 (2)0.8982 (3)0.64517 (17)0.0523 (5)
H3−0.15600.86380.63680.063*
C4−0.0766 (3)1.0436 (3)0.69355 (18)0.0562 (5)
C50.0646 (3)1.1022 (3)0.7051 (2)0.0609 (5)
H50.05061.20170.73660.073*
C60.2272 (3)1.0094 (2)0.66863 (18)0.0508 (4)
H60.32451.04700.67510.061*
C70.3843 (2)0.5413 (2)0.77995 (16)0.0470 (4)
C80.3257 (3)0.3903 (3)0.82440 (17)0.0530 (5)
H80.33250.31200.77590.064*
C90.2568 (3)0.3528 (3)0.93980 (19)0.0638 (6)
C100.2442 (3)0.4724 (3)1.01236 (19)0.0698 (6)
C110.3023 (4)0.6217 (3)0.9667 (2)0.0740 (7)
H110.29310.70141.01480.089*
C120.3742 (3)0.6588 (3)0.85186 (19)0.0639 (6)
H120.41480.76040.82360.077*
C130.1185 (3)0.6361 (3)0.55858 (18)0.0578 (5)
H13A0.15270.54280.60890.069*
H13B0.20390.63580.48650.069*
H13C0.00770.62690.54930.069*
C140.1992 (5)0.1838 (4)0.9841 (3)0.1010 (10)
H14A0.26710.12381.03330.121*
H14B0.21580.12050.92190.121*
H14C0.07830.19951.02510.121*
C150.1678 (4)0.4386 (5)1.1389 (2)0.0994 (10)
H15A0.23630.34211.16790.119*
H15B0.05030.41781.15430.119*
H15C0.16830.53441.17470.119*
N10.4560 (2)0.5674 (2)0.66087 (13)0.0489 (4)
H1N0.459 (3)0.490 (2)0.6238 (17)0.059*
O10.50734 (18)0.70770 (17)0.47026 (11)0.0528 (3)
O20.56945 (17)0.83991 (19)0.61489 (13)0.0601 (4)
Cl1−0.28370 (8)1.15422 (10)0.74513 (7)0.0927 (3)
S10.46083 (5)0.74755 (5)0.58477 (4)0.04260 (15)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C10.0340 (8)0.0368 (8)0.0425 (9)−0.0066 (6)−0.0080 (7)−0.0035 (7)
C20.0397 (9)0.0476 (10)0.0416 (9)−0.0115 (7)−0.0112 (7)−0.0030 (7)
C30.0374 (9)0.0666 (12)0.0546 (11)−0.0082 (8)−0.0173 (8)−0.0018 (9)
C40.0414 (10)0.0598 (12)0.0581 (12)0.0088 (9)−0.0117 (9)−0.0028 (10)
C50.0567 (12)0.0448 (11)0.0783 (15)0.0036 (9)−0.0152 (10)−0.0177 (10)
C60.0441 (10)0.0429 (10)0.0679 (12)−0.0083 (8)−0.0148 (9)−0.0123 (9)
C70.0381 (9)0.0514 (10)0.0469 (10)0.0059 (8)−0.0108 (7)−0.0084 (8)
C80.0468 (10)0.0525 (11)0.0541 (11)0.0020 (8)−0.0115 (8)−0.0057 (9)
C90.0506 (12)0.0708 (14)0.0592 (13)0.0004 (10)−0.0117 (10)0.0069 (11)
C100.0596 (13)0.0875 (17)0.0487 (12)0.0105 (12)−0.0100 (10)−0.0033 (12)
C110.0895 (18)0.0761 (16)0.0506 (12)0.0070 (13)−0.0164 (12)−0.0185 (11)
C120.0746 (14)0.0592 (12)0.0561 (12)−0.0013 (11)−0.0179 (11)−0.0114 (10)
C130.0491 (11)0.0725 (13)0.0640 (12)−0.0269 (10)−0.0165 (9)−0.0197 (10)
C140.115 (3)0.095 (2)0.082 (2)−0.0341 (19)−0.0141 (18)0.0186 (17)
C150.097 (2)0.125 (3)0.0514 (14)0.0077 (19)−0.0032 (14)−0.0002 (15)
N10.0541 (9)0.0423 (8)0.0455 (9)0.0010 (7)−0.0086 (7)−0.0105 (7)
O10.0552 (8)0.0490 (7)0.0465 (7)−0.0105 (6)0.0014 (6)−0.0087 (6)
O20.0358 (7)0.0655 (9)0.0825 (10)−0.0134 (6)−0.0112 (6)−0.0214 (8)
Cl10.0543 (4)0.1043 (5)0.1042 (5)0.0281 (3)−0.0195 (3)−0.0198 (4)
S10.0331 (2)0.0432 (2)0.0493 (3)−0.00675 (17)−0.00475 (17)−0.00988 (18)
Geometric parameters (Å, º) top
C1—C61.390 (2)C10—C111.369 (4)
C1—C21.397 (2)C10—C151.517 (3)
C1—S11.7692 (17)C11—C121.386 (3)
C2—C31.390 (3)C11—H110.9300
C2—C131.549 (3)C12—H120.9300
C3—C41.377 (3)C13—H13A0.9600
C3—H30.9300C13—H13B0.9600
C4—C51.377 (3)C13—H13C0.9600
C4—Cl11.740 (2)C14—H14A0.9600
C5—C61.378 (3)C14—H14B0.9600
C5—H50.9300C14—H14C0.9600
C6—H60.9300C15—H15A0.9600
C7—C81.381 (3)C15—H15B0.9600
C7—C121.387 (3)C15—H15C0.9600
C7—N11.423 (2)N1—S11.6202 (17)
C8—C91.389 (3)N1—H1N0.832 (16)
C8—H80.9300O1—S11.4368 (14)
C9—C101.401 (4)O2—S11.4237 (14)
C9—C141.511 (4)
C6—C1—C2121.21 (16)C12—C11—H11118.6
C6—C1—S1116.39 (13)C11—C12—C7118.6 (2)
C2—C1—S1122.39 (13)C11—C12—H12120.7
C3—C2—C1117.21 (17)C7—C12—H12120.7
C3—C2—C13119.28 (16)C2—C13—H13A109.5
C1—C2—C13123.48 (16)C2—C13—H13B109.5
C4—C3—C2120.94 (18)H13A—C13—H13B109.5
C4—C3—H3119.5C2—C13—H13C109.5
C2—C3—H3119.5H13A—C13—H13C109.5
C3—C4—C5121.76 (18)H13B—C13—H13C109.5
C3—C4—Cl1119.51 (16)C9—C14—H14A109.5
C5—C4—Cl1118.70 (17)C9—C14—H14B109.5
C4—C5—C6118.19 (19)H14A—C14—H14B109.5
C4—C5—H5120.9C9—C14—H14C109.5
C6—C5—H5120.9H14A—C14—H14C109.5
C5—C6—C1120.65 (18)H14B—C14—H14C109.5
C5—C6—H6119.7C10—C15—H15A109.5
C1—C6—H6119.7C10—C15—H15B109.5
C8—C7—C12119.48 (19)H15A—C15—H15B109.5
C8—C7—N1117.62 (18)C10—C15—H15C109.5
C12—C7—N1122.89 (19)H15A—C15—H15C109.5
C7—C8—C9121.6 (2)H15B—C15—H15C109.5
C7—C8—H8119.2C7—N1—S1125.99 (13)
C9—C8—H8119.2C7—N1—H1N117.0 (16)
C8—C9—C10119.0 (2)S1—N1—H1N112.4 (16)
C8—C9—C14119.3 (2)O2—S1—O1118.08 (9)
C10—C9—C14121.7 (2)O2—S1—N1109.61 (9)
C11—C10—C9118.6 (2)O1—S1—N1104.70 (8)
C11—C10—C15120.3 (3)O2—S1—C1106.69 (8)
C9—C10—C15121.1 (3)O1—S1—C1110.69 (8)
C10—C11—C12122.7 (2)N1—S1—C1106.56 (8)
C10—C11—H11118.6
C6—C1—C2—C3−1.3 (3)C8—C9—C10—C15179.2 (2)
S1—C1—C2—C3177.61 (13)C14—C9—C10—C15−1.5 (4)
C6—C1—C2—C13−179.45 (18)C9—C10—C11—C12−0.5 (4)
S1—C1—C2—C13−0.6 (3)C15—C10—C11—C12179.6 (2)
C1—C2—C3—C4−0.4 (3)C10—C11—C12—C71.4 (4)
C13—C2—C3—C4177.81 (19)C8—C7—C12—C11−1.1 (3)
C2—C3—C4—C51.7 (3)N1—C7—C12—C11−179.9 (2)
C2—C3—C4—Cl1−176.56 (14)C8—C7—N1—S1153.78 (15)
C3—C4—C5—C6−1.3 (3)C12—C7—N1—S1−27.4 (3)
Cl1—C4—C5—C6177.06 (16)C7—N1—S1—O265.36 (18)
C4—C5—C6—C1−0.5 (3)C7—N1—S1—O1−167.05 (16)
C2—C1—C6—C51.8 (3)C7—N1—S1—C1−49.72 (18)
S1—C1—C6—C5−177.18 (16)C6—C1—S1—O21.39 (17)
C12—C7—C8—C9−0.1 (3)C2—C1—S1—O2−177.56 (14)
N1—C7—C8—C9178.80 (17)C6—C1—S1—O1−128.29 (15)
C7—C8—C9—C101.0 (3)C2—C1—S1—O152.77 (16)
C7—C8—C9—C14−178.3 (2)C6—C1—S1—N1118.43 (15)
C8—C9—C10—C11−0.7 (3)C2—C1—S1—N1−60.51 (16)
C14—C9—C10—C11178.6 (2)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1N···O1i0.83 (2)2.07 (2)2.899 (2)175 (2)
Symmetry code: (i) −x+1, −y+1, −z+1.

Experimental details

Crystal data
Chemical formulaC15H16ClNO2S
Mr309.80
Crystal system, space groupTriclinic, P1
Temperature (K)293
a, b, c (Å)8.1321 (9), 8.1604 (9), 12.456 (1)
α, β, γ (°)80.991 (9), 72.903 (8), 78.979 (8)
V (Å3)771.04 (14)
Z2
Radiation typeMo Kα
µ (mm−1)0.38
Crystal size (mm)0.50 × 0.44 × 0.40
Data collection
DiffractometerOxford Diffraction Xcalibur
diffractometer with a Sapphire CCD detector
Absorption correctionMulti-scan
(CrysAlis RED; Oxford Diffraction, 2009)
Tmin, Tmax0.832, 0.862
No. of measured, independent and
observed [I > 2σ(I)] reflections		5220, 3126, 2631
Rint0.008
(sin θ/λ)max (Å−1)0.625
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.037, 0.109, 1.05
No. of reflections3126
No. of parameters187
No. of restraints1
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)0.25, −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···O1i0.832 (16)2.069 (16)2.899 (2)175 (2)
Symmetry code: (i) −x+1, −y+1, −z+1.
 

Acknowledgements

VZR thanks the University Grants Commission, Government of India, New Delhi, for the award of an RFSMS fellowship.

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.

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ISSN: 2056-9890
Volume 67| Part 11| November 2011| Page o2930
doi:10.1107/S1600536811041341
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