organic compounds
2-Chloro-N-(3,5-dimethylphenyl)benzamide
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
In the structure of the the title compound, C15H14ClNO, the N—H and C=O bonds are trans to each other and the amide O atom is anti to the ortho-Cl atom in the benzoyl ring. The amide group makes dihedral angles of 61.2 (6) and 42.2 (8)° with the benzoyl and aniline rings, respectively. In the crystal, the molecules are linked into infinite chains by N—H⋯O hydrogen bonds.
Related literature
For the synthesis, see: Gowda et al. (2003). For structure of the 3,5-dichlorophenyl analog and other benzanilides, see: Gowda et al. (2008a,b).
Experimental
Crystal data
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Data collection: CrysAlis CCD (Oxford Diffraction, 2007); cell CrysAlis RED (Oxford Diffraction, 2007); data reduction: CrysAlis RED; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2003); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536809001706/ng2536sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809001706/ng2536Isup2.hkl
The title compound was prepared according to the literature method (Gowda et al., 2003). The purity of the compound was checked by determining its melting point. It was characterized by recording its infrared and NMR spectra. Single crystals of the title compound were obtained from an ethanolic solution and used for X-ray diffraction studies at room temperature.
The H atoms of the methyl groups were positioned with idealized geometry using a riding model with C—H = 0.98 Å. The other H atoms were located in difference map, and its positional parameters were refined freely with C—H = 0.89 (3)–0.99 (3) Å, while the H atom of the NH group was later restrained to the distance 0.86 (2) Å. All H atoms were refined with isotropic displacement parameters (set to 1.2 times of the Ueq of the parent atom).
Data collection: CrysAlis CCD (Oxford Diffraction, 2007); cell
CrysAlis RED (Oxford Diffraction, 2007); data reduction: CrysAlis RED (Oxford Diffraction, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2003); software used to prepare material for publication: SHELXS97 (Sheldrick, 2008).C15H14ClNO | F(000) = 544 |
Mr = 259.72 | Dx = 1.309 Mg m−3 |
Orthorhombic, Pna21 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2c -2n | Cell parameters from 2104 reflections |
a = 9.1867 (6) Å | θ = 2.5–28.1° |
b = 13.9710 (8) Å | µ = 0.28 mm−1 |
c = 10.2711 (7) Å | T = 100 K |
V = 1318.27 (15) Å3 | Prism, colourless |
Z = 4 | 0.48 × 0.28 × 0.13 mm |
Oxford Diffraction Xcalibur diffractometer with a Sapphire CCD detector | 2136 independent reflections |
Radiation source: fine-focus sealed tube | 1977 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.014 |
Rotation method data acquisition using ω and ϕ scans | θmax = 26.4°, θmin = 2.5° |
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2007) | h = −11→11 |
Tmin = 0.879, Tmax = 0.965 | k = −17→17 |
6034 measured reflections | l = −10→12 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.031 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.083 | w = 1/[σ2(Fo2) + (0.0477P)2 + 0.598P] where P = (Fo2 + 2Fc2)/3 |
S = 1.03 | (Δ/σ)max = 0.002 |
2136 reflections | Δρmax = 0.34 e Å−3 |
187 parameters | Δρmin = −0.27 e Å−3 |
2 restraints | Absolute structure: Flack (1983), 712 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: 0.01 (7) |
C15H14ClNO | V = 1318.27 (15) Å3 |
Mr = 259.72 | Z = 4 |
Orthorhombic, Pna21 | Mo Kα radiation |
a = 9.1867 (6) Å | µ = 0.28 mm−1 |
b = 13.9710 (8) Å | T = 100 K |
c = 10.2711 (7) Å | 0.48 × 0.28 × 0.13 mm |
Oxford Diffraction Xcalibur diffractometer with a Sapphire CCD detector | 2136 independent reflections |
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2007) | 1977 reflections with I > 2σ(I) |
Tmin = 0.879, Tmax = 0.965 | Rint = 0.014 |
6034 measured reflections |
R[F2 > 2σ(F2)] = 0.031 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.083 | Δρmax = 0.34 e Å−3 |
S = 1.03 | Δρmin = −0.27 e Å−3 |
2136 reflections | Absolute structure: Flack (1983), 712 Friedel pairs |
187 parameters | Absolute structure parameter: 0.01 (7) |
2 restraints |
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 | ||
Cl1 | 0.11485 (6) | 0.32674 (4) | 1.16333 (7) | 0.03305 (16) | |
O1 | 0.19372 (16) | 0.32548 (10) | 0.85807 (18) | 0.0253 (4) | |
N1 | −0.01100 (18) | 0.24094 (12) | 0.8052 (2) | 0.0210 (4) | |
H1N | −0.0995 (19) | 0.2359 (18) | 0.820 (3) | 0.025* | |
C1 | 0.0540 (2) | 0.17351 (13) | 0.7178 (2) | 0.0211 (4) | |
C2 | 0.0112 (2) | 0.07840 (15) | 0.7257 (3) | 0.0247 (5) | |
H2 | −0.049 (3) | 0.0577 (18) | 0.794 (3) | 0.030* | |
C3 | 0.0694 (2) | 0.01080 (14) | 0.6398 (3) | 0.0299 (6) | |
C4 | 0.1719 (3) | 0.04035 (16) | 0.5498 (3) | 0.0307 (5) | |
H4 | 0.219 (3) | −0.0046 (18) | 0.489 (3) | 0.037* | |
C5 | 0.2166 (3) | 0.13617 (16) | 0.5410 (2) | 0.0287 (5) | |
C6 | 0.1549 (2) | 0.20260 (15) | 0.6256 (2) | 0.0249 (5) | |
H6 | 0.192 (3) | 0.2682 (18) | 0.617 (3) | 0.030* | |
C7 | 0.0614 (2) | 0.31152 (14) | 0.8664 (2) | 0.0200 (4) | |
C8 | −0.0321 (2) | 0.37827 (13) | 0.9446 (2) | 0.0193 (4) | |
C9 | −0.0080 (2) | 0.39557 (15) | 1.0757 (2) | 0.0237 (5) | |
C10 | −0.0849 (3) | 0.46637 (16) | 1.1420 (2) | 0.0289 (5) | |
H10 | −0.068 (3) | 0.4734 (19) | 1.232 (3) | 0.035* | |
C11 | −0.1868 (2) | 0.52064 (16) | 1.0761 (3) | 0.0313 (6) | |
H11 | −0.240 (3) | 0.5734 (18) | 1.117 (3) | 0.038* | |
C12 | −0.2157 (3) | 0.50321 (15) | 0.9463 (3) | 0.0305 (5) | |
H12 | −0.285 (3) | 0.539 (2) | 0.907 (3) | 0.037* | |
C13 | −0.1396 (2) | 0.43181 (16) | 0.8809 (3) | 0.0239 (5) | |
H13 | −0.157 (3) | 0.4197 (18) | 0.798 (3) | 0.029* | |
C14 | 0.0200 (3) | −0.09234 (15) | 0.6467 (4) | 0.0409 (7) | |
H14A | 0.0078 | −0.1111 | 0.7380 | 0.049* | |
H14B | 0.0932 | −0.1335 | 0.6057 | 0.049* | |
H14C | −0.0729 | −0.0993 | 0.6008 | 0.049* | |
C15 | 0.3281 (3) | 0.16747 (18) | 0.4422 (3) | 0.0392 (6) | |
H15A | 0.2854 | 0.1645 | 0.3548 | 0.047* | |
H15B | 0.4128 | 0.1250 | 0.4465 | 0.047* | |
H15C | 0.3585 | 0.2333 | 0.4610 | 0.047* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0362 (3) | 0.0325 (3) | 0.0304 (3) | −0.0048 (2) | −0.0079 (3) | 0.0058 (3) |
O1 | 0.0141 (7) | 0.0272 (7) | 0.0345 (10) | −0.0016 (5) | 0.0019 (7) | −0.0081 (7) |
N1 | 0.0133 (8) | 0.0218 (8) | 0.0280 (10) | −0.0020 (6) | 0.0015 (8) | −0.0034 (7) |
C1 | 0.0164 (9) | 0.0219 (10) | 0.0249 (11) | 0.0019 (7) | −0.0043 (9) | −0.0049 (8) |
C2 | 0.0178 (9) | 0.0242 (10) | 0.0323 (13) | −0.0008 (8) | −0.0045 (10) | −0.0028 (9) |
C3 | 0.0219 (10) | 0.0225 (9) | 0.0454 (16) | 0.0042 (7) | −0.0137 (11) | −0.0063 (10) |
C4 | 0.0269 (11) | 0.0306 (11) | 0.0345 (14) | 0.0099 (9) | −0.0078 (11) | −0.0150 (10) |
C5 | 0.0261 (11) | 0.0337 (11) | 0.0262 (14) | 0.0060 (9) | −0.0032 (11) | −0.0064 (10) |
C6 | 0.0238 (10) | 0.0221 (10) | 0.0286 (13) | 0.0010 (8) | −0.0015 (9) | −0.0030 (8) |
C7 | 0.0180 (10) | 0.0211 (9) | 0.0208 (12) | −0.0005 (7) | 0.0029 (9) | −0.0011 (8) |
C8 | 0.0172 (9) | 0.0188 (9) | 0.0220 (12) | −0.0048 (7) | 0.0034 (9) | −0.0019 (8) |
C9 | 0.0211 (9) | 0.0228 (10) | 0.0273 (13) | −0.0085 (8) | 0.0010 (9) | 0.0008 (8) |
C10 | 0.0351 (12) | 0.0282 (10) | 0.0235 (14) | −0.0127 (8) | 0.0098 (11) | −0.0094 (9) |
C11 | 0.0271 (11) | 0.0249 (10) | 0.0418 (16) | −0.0037 (8) | 0.0135 (11) | −0.0097 (10) |
C12 | 0.0221 (11) | 0.0270 (11) | 0.0424 (16) | 0.0016 (9) | 0.0052 (12) | −0.0005 (10) |
C13 | 0.0188 (10) | 0.0279 (10) | 0.0250 (13) | −0.0015 (8) | 0.0016 (9) | −0.0032 (9) |
C14 | 0.0319 (12) | 0.0227 (10) | 0.068 (2) | 0.0007 (8) | −0.0118 (14) | −0.0102 (13) |
C15 | 0.0412 (14) | 0.0471 (14) | 0.0294 (14) | 0.0052 (12) | 0.0090 (13) | −0.0100 (12) |
Cl1—C9 | 1.735 (2) | C8—C9 | 1.386 (3) |
O1—C7 | 1.234 (3) | C8—C13 | 1.401 (3) |
N1—C7 | 1.346 (3) | C9—C10 | 1.393 (3) |
N1—C1 | 1.431 (3) | C10—C11 | 1.383 (4) |
N1—H1N | 0.831 (17) | C10—H10 | 0.94 (3) |
C1—C6 | 1.386 (3) | C11—C12 | 1.380 (4) |
C1—C2 | 1.388 (3) | C11—H11 | 0.98 (3) |
C2—C3 | 1.399 (3) | C12—C13 | 1.391 (3) |
C2—H2 | 0.94 (3) | C12—H12 | 0.91 (3) |
C3—C4 | 1.382 (4) | C13—H13 | 0.89 (3) |
C3—C14 | 1.512 (3) | C14—H14A | 0.9800 |
C4—C5 | 1.403 (3) | C14—H14B | 0.9800 |
C4—H4 | 0.99 (3) | C14—H14C | 0.9800 |
C5—C6 | 1.392 (3) | C15—H15A | 0.9800 |
C5—C15 | 1.506 (4) | C15—H15B | 0.9800 |
C6—H6 | 0.98 (3) | C15—H15C | 0.9800 |
C7—C8 | 1.501 (3) | ||
C7—N1—C1 | 124.70 (17) | C8—C9—C10 | 121.2 (2) |
C7—N1—H1N | 117.2 (19) | C8—C9—Cl1 | 120.74 (16) |
C1—N1—H1N | 118.1 (19) | C10—C9—Cl1 | 118.02 (19) |
C6—C1—C2 | 120.7 (2) | C11—C10—C9 | 119.5 (2) |
C6—C1—N1 | 120.94 (18) | C11—C10—H10 | 122.3 (18) |
C2—C1—N1 | 118.4 (2) | C9—C10—H10 | 118.1 (18) |
C1—C2—C3 | 120.1 (2) | C12—C11—C10 | 120.4 (2) |
C1—C2—H2 | 120.5 (16) | C12—C11—H11 | 116.7 (18) |
C3—C2—H2 | 119.2 (16) | C10—C11—H11 | 122.8 (18) |
C4—C3—C2 | 118.7 (2) | C11—C12—C13 | 119.8 (2) |
C4—C3—C14 | 121.3 (2) | C11—C12—H12 | 118 (2) |
C2—C3—C14 | 119.9 (2) | C13—C12—H12 | 122 (2) |
C3—C4—C5 | 121.8 (2) | C12—C13—C8 | 120.7 (2) |
C3—C4—H4 | 122.2 (16) | C12—C13—H13 | 120.8 (17) |
C5—C4—H4 | 116.0 (16) | C8—C13—H13 | 118.5 (17) |
C6—C5—C4 | 118.4 (2) | C3—C14—H14A | 109.5 |
C6—C5—C15 | 120.3 (2) | C3—C14—H14B | 109.5 |
C4—C5—C15 | 121.3 (2) | H14A—C14—H14B | 109.5 |
C1—C6—C5 | 120.2 (2) | C3—C14—H14C | 109.5 |
C1—C6—H6 | 124.8 (16) | H14A—C14—H14C | 109.5 |
C5—C6—H6 | 114.9 (16) | H14B—C14—H14C | 109.5 |
O1—C7—N1 | 124.76 (19) | C5—C15—H15A | 109.5 |
O1—C7—C8 | 120.18 (18) | C5—C15—H15B | 109.5 |
N1—C7—C8 | 115.01 (18) | H15A—C15—H15B | 109.5 |
C9—C8—C13 | 118.23 (19) | C5—C15—H15C | 109.5 |
C9—C8—C7 | 122.49 (19) | H15A—C15—H15C | 109.5 |
C13—C8—C7 | 119.0 (2) | H15B—C15—H15C | 109.5 |
C7—N1—C1—C6 | −42.6 (3) | O1—C7—C8—C9 | −57.9 (3) |
C7—N1—C1—C2 | 138.7 (2) | N1—C7—C8—C9 | 124.6 (2) |
C6—C1—C2—C3 | −0.3 (3) | O1—C7—C8—C13 | 116.2 (2) |
N1—C1—C2—C3 | 178.36 (19) | N1—C7—C8—C13 | −61.3 (3) |
C1—C2—C3—C4 | 1.4 (3) | C13—C8—C9—C10 | −2.1 (3) |
C1—C2—C3—C14 | −178.6 (2) | C7—C8—C9—C10 | 172.08 (18) |
C2—C3—C4—C5 | −1.2 (4) | C13—C8—C9—Cl1 | 175.77 (15) |
C14—C3—C4—C5 | 178.8 (2) | C7—C8—C9—Cl1 | −10.1 (3) |
C3—C4—C5—C6 | −0.2 (4) | C8—C9—C10—C11 | −0.2 (3) |
C3—C4—C5—C15 | −179.8 (2) | Cl1—C9—C10—C11 | −178.07 (16) |
C2—C1—C6—C5 | −1.1 (3) | C9—C10—C11—C12 | 1.9 (3) |
N1—C1—C6—C5 | −179.7 (2) | C10—C11—C12—C13 | −1.3 (3) |
C4—C5—C6—C1 | 1.3 (3) | C11—C12—C13—C8 | −1.1 (3) |
C15—C5—C6—C1 | −179.0 (2) | C9—C8—C13—C12 | 2.7 (3) |
C1—N1—C7—O1 | −2.2 (4) | C7—C8—C13—C12 | −171.68 (19) |
C1—N1—C7—C8 | 175.16 (19) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1N···O1i | 0.83 (2) | 2.12 (2) | 2.918 (2) | 161 (2) |
Symmetry code: (i) x−1/2, −y+1/2, z. |
Experimental details
Crystal data | |
Chemical formula | C15H14ClNO |
Mr | 259.72 |
Crystal system, space group | Orthorhombic, Pna21 |
Temperature (K) | 100 |
a, b, c (Å) | 9.1867 (6), 13.9710 (8), 10.2711 (7) |
V (Å3) | 1318.27 (15) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.28 |
Crystal size (mm) | 0.48 × 0.28 × 0.13 |
Data collection | |
Diffractometer | Oxford Diffraction Xcalibur diffractometer with a Sapphire CCD detector |
Absorption correction | Multi-scan (CrysAlis RED; Oxford Diffraction, 2007) |
Tmin, Tmax | 0.879, 0.965 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6034, 2136, 1977 |
Rint | 0.014 |
(sin θ/λ)max (Å−1) | 0.625 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.031, 0.083, 1.03 |
No. of reflections | 2136 |
No. of parameters | 187 |
No. of restraints | 2 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.34, −0.27 |
Absolute structure | Flack (1983), 712 Friedel pairs |
Absolute structure parameter | 0.01 (7) |
Computer programs: CrysAlis CCD (Oxford Diffraction, 2007), CrysAlis RED (Oxford Diffraction, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2003).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1N···O1i | 0.831 (17) | 2.120 (18) | 2.918 (2) | 161 (2) |
Symmetry code: (i) x−1/2, −y+1/2, z. |
Acknowledgements
BTG thanks the Alexander von Humboldt Foundation, Bonn, Germany, for extensions of his research fellowship.
References
Flack, H. D. (1983). Acta Cryst. A39, 876–881. CrossRef CAS Web of Science IUCr Journals Google Scholar
Gowda, B. T., Foro, S., Sowmya, B. P. & Fuess, H. (2008a). Acta Cryst. E64, o1294. Web of Science CSD CrossRef IUCr Journals Google Scholar
Gowda, B. T., Jyothi, K., Paulus, H. & Fuess, H. (2003). Z. Naturforsch. Teil A, 58, 225–230. CAS Google Scholar
Gowda, B. T., Tokarčík, M., Kožíšek, J., Sowmya, B. P. & Fuess, H. (2008b). Acta Cryst. E64, o1365. Web of Science CSD CrossRef IUCr Journals Google Scholar
Oxford Diffraction (2007). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Abingdon, England. Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2003). J. Appl. Cryst. 36, 7–13. Web of Science CrossRef CAS IUCr Journals Google Scholar
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In the present work, the structure of 2-chloro-N-(3,5-dimethylphenyl)- benzamide (N35DMP2CBA) has been determined to explore the substituent effects on the solid state structures of benzanilides (Gowda et al., 2003, 2008a,b). The conformations of N—H and C=O bonds in the amide group of N35DMP2CBA are trans to each other (Fig.1), similar to that observed in 2-chloro-N-(3,5-dichlorophenyl)-benzamide(N35DCP2CBA) (Gowda et al., 2008a), 2-chloro-N-(phenyl)-benzamide (NP2CBA) (Gowda et al., 2003) and other benzanilides (Gowda et al., 2008b). Further, the conformation of the amide oxygen in N35DMP2CBA is anti to the ortho-chloro group in the benzoyl ring similar to that observed in N35DCP2CBA but in contrast to the syn conformation observed in NP2CBA. The amide group –NHCO– makes the dihedral angles of 61.2 (6)° and 42.2 (8)° with the benzoyl and aniline rings, respectively, while the benzoyl and aniline rings form the dihedral angle of 76.7 (1)°), compared to the corresponding values of 63.1 (12)°, 31.1 (17)° and 32.1 (2)°) in N35DCP2CBA. Part of the crystal structure of the title compound with infinite molecular chains running along the a axis is shown in Fig. 2. The chains are generated by N—H···O hydrogen bonds (Table 1)