organic compounds
2-Chloro-N-[2-(2-fluorobenzoyl)-4-nitrophenyl]-N-methylacetamide
aDepartment of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore 570 006, India, bDepartment of Chemistry, Keene State College, 229 Main Street, Keene, NH 03435-2001, USA, and cDepartment of Chemistry, PES College of Science, Mandya 571 401, India
*Correspondence e-mail: jjasinski@keene.edu
The title compound, C16H12ClFN2O4, crystallizes with two molecules in the in which the dihedral angles between the mean planes of the two benzene rings are 65.1 (7) and 65.6 (6)°. In each molecule, the nitro group displays rotational disorder over two orientations in a 0.503 (11):0.497 (11) ratio and the Cl atom is disordered in a 0.432 (5):0.568 (5) ratio. In one molecule, the F atoms is statistically disordered over two positions. The crystal packing features weak intermolecular C—H⋯O and C—H⋯Cl interactions, which form a layered network.
Related literature
For anti-anaphylactic and disease-related agents, see: Evans et al. (1987). For an intermediate in the synthesis of flunitrazepam (systematic name: 6-(2-fluorophenyl)-2-methyl-9-nitro-2,5-diazabicyclo[5.4.0]undeca-5,8,10,12-tetraen-3-one), see: Malanciuc et al. (2009). For related structures, see: Dutkiewicz et al. (2010); Jasinski et al. (2009); Khan et al. (2010); Malathy Sony et al. (2005a,b); Prasanna & Guru Row (2000). For standard bond lengths, see Allen et al. (1987).
Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell CrysAlis PRO; data reduction: CrysAlis RED (Oxford Diffraction, 2010); 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: SHELXTL.
Supporting information
10.1107/S1600536811034969/im2312sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811034969/im2312Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536811034969/im2312Isup3.cml
The title compound was obtained as a gift sample from R.L. Fine Chem., Bangalore, India. The compound was recrystallized from acetone (m.p.: 387–389 K).
The two nitro groups are rotationally disordered over two positions [O2 & O3 (0.503 (11), O2A & O3A (0.497 (11)) and O6 & O7 (0.503 (11), O6A & O7A (0.497 (11)]. In addition, disorder is observed concerning Cl1 & Cl2 (0.432 (5)) and Cl1A & Cl2A (0.568 (5)). Moreover, F2 and F2A are disordered (0.50 (0)) over two positions. All H atoms were placed in their calculated positions and then refined using the riding model with C–H lengths of 0.95 Å (CH), 0.99 Å (CH2) or 0.98 Å (CH3). The isotropic displacement parameters for these atoms were set to 1.19–1.20 (CH, CH2) or 1.50 (CH3) times Ueq of the parent atom.
Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell
CrysAlis PRO (Oxford Diffraction, 2010); data reduction: CrysAlis RED (Oxford Diffraction, 2010); 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: SHELXTL (Sheldrick, 2008).Fig. 1. Molecular structure of the title molecule showing two molecules in the asymmetric unit, displacement ellipsoids are depicted on the 30% probability level. Dashed lines represent disordered atoms. | |
Fig. 2. Packing diagram of the title compound viewed down the b axis. Dashed lines indicate weak intermolecular C—H···O and C—H···Cl interactions. |
C16H12ClFN2O4 | Z = 4 |
Mr = 350.73 | F(000) = 720 |
Triclinic, P1 | Dx = 1.493 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 8.1339 (6) Å | Cell parameters from 2929 reflections |
b = 10.9639 (8) Å | θ = 3.1–32.4° |
c = 17.8690 (11) Å | µ = 0.28 mm−1 |
α = 81.251 (6)° | T = 200 K |
β = 82.239 (6)° | Block, colorless |
γ = 87.937 (6)° | 0.24 × 0.16 × 0.12 mm |
V = 1560.38 (19) Å3 |
Oxford Diffraction Xcalibur Eos Gemini diffractometer | 6373 independent reflections |
Radiation source: Enhance (Mo) X-ray Source | 3774 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.041 |
Detector resolution: 16.1500 pixels mm-1 | θmax = 26.4°, θmin = 3.1° |
ω scans | h = −10→10 |
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2010) | k = −12→13 |
Tmin = 0.936, Tmax = 0.967 | l = −22→21 |
13030 measured reflections |
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)] = 0.066 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.172 | H-atom parameters constrained |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0665P)2 + 0.3335P] where P = (Fo2 + 2Fc2)/3 |
6373 reflections | (Δ/σ)max = 0.012 |
448 parameters | Δρmax = 0.32 e Å−3 |
16 restraints | Δρmin = −0.36 e Å−3 |
C16H12ClFN2O4 | γ = 87.937 (6)° |
Mr = 350.73 | V = 1560.38 (19) Å3 |
Triclinic, P1 | Z = 4 |
a = 8.1339 (6) Å | Mo Kα radiation |
b = 10.9639 (8) Å | µ = 0.28 mm−1 |
c = 17.8690 (11) Å | T = 200 K |
α = 81.251 (6)° | 0.24 × 0.16 × 0.12 mm |
β = 82.239 (6)° |
Oxford Diffraction Xcalibur Eos Gemini diffractometer | 6373 independent reflections |
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2010) | 3774 reflections with I > 2σ(I) |
Tmin = 0.936, Tmax = 0.967 | Rint = 0.041 |
13030 measured reflections |
R[F2 > 2σ(F2)] = 0.066 | 16 restraints |
wR(F2) = 0.172 | H-atom parameters constrained |
S = 1.03 | Δρmax = 0.32 e Å−3 |
6373 reflections | Δρmin = −0.36 e Å−3 |
448 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 | Occ. (<1) | |
C1 | 0.6305 (4) | 0.5284 (3) | 0.37754 (17) | 0.0528 (9) | |
H1A | 0.5092 | 0.5222 | 0.3930 | 0.063* | |
H1B | 0.6554 | 0.6170 | 0.3618 | 0.063* | |
C2 | 0.6740 (4) | 0.4643 (3) | 0.30868 (17) | 0.0397 (7) | |
C3 | 0.6349 (4) | 0.4613 (2) | 0.17778 (16) | 0.0357 (7) | |
C4 | 0.7948 (4) | 0.4601 (3) | 0.13956 (18) | 0.0409 (7) | |
H4 | 0.8838 | 0.4889 | 0.1612 | 0.049* | |
C5 | 0.8253 (4) | 0.4175 (3) | 0.07052 (18) | 0.0447 (8) | |
H5 | 0.9352 | 0.4142 | 0.0449 | 0.054* | |
C6 | 0.6941 (4) | 0.3797 (3) | 0.03924 (17) | 0.0444 (8) | |
C7 | 0.5340 (4) | 0.3788 (3) | 0.07590 (17) | 0.0431 (8) | |
H7 | 0.4455 | 0.3525 | 0.0529 | 0.052* | |
C8 | 0.5044 (4) | 0.4168 (3) | 0.14665 (17) | 0.0379 (7) | |
C9 | 0.3307 (4) | 0.4051 (3) | 0.18774 (19) | 0.0448 (8) | |
C10 | 0.3030 (4) | 0.3575 (3) | 0.27043 (19) | 0.0434 (8) | |
C11 | 0.3959 (4) | 0.2618 (3) | 0.3054 (2) | 0.0508 (9) | |
C12 | 0.3721 (5) | 0.2190 (4) | 0.3814 (2) | 0.0683 (11) | |
H12 | 0.4374 | 0.1526 | 0.4030 | 0.082* | |
C13 | 0.2500 (6) | 0.2752 (4) | 0.4261 (2) | 0.0799 (13) | |
H13 | 0.2326 | 0.2486 | 0.4797 | 0.096* | |
C14 | 0.1531 (5) | 0.3689 (4) | 0.3946 (3) | 0.0760 (13) | |
H14 | 0.0692 | 0.4065 | 0.4263 | 0.091* | |
C15 | 0.1775 (4) | 0.4089 (4) | 0.3168 (2) | 0.0598 (10) | |
H15 | 0.1078 | 0.4720 | 0.2950 | 0.072* | |
C16 | 0.5018 (4) | 0.6286 (3) | 0.24344 (19) | 0.0491 (8) | |
H16A | 0.4059 | 0.6184 | 0.2833 | 0.074* | |
H16B | 0.4633 | 0.6481 | 0.1933 | 0.074* | |
H16C | 0.5702 | 0.6961 | 0.2516 | 0.074* | |
C17 | 0.8713 (5) | 0.0822 (3) | 0.37310 (19) | 0.0630 (10) | |
H17A | 0.8236 | 0.1665 | 0.3629 | 0.076* | |
H17B | 0.9934 | 0.0900 | 0.3682 | 0.076* | |
C18 | 0.8310 (4) | 0.0101 (3) | 0.31241 (19) | 0.0455 (8) | |
C19 | 0.8622 (4) | −0.0031 (3) | 0.17869 (17) | 0.0411 (7) | |
C20 | 0.7930 (5) | 0.0703 (3) | 0.1207 (2) | 0.0652 (10) | |
H20 | 0.7735 | 0.1555 | 0.1237 | 0.078* | |
C21 | 0.7519 (6) | 0.0231 (4) | 0.0590 (2) | 0.0734 (12) | |
H21 | 0.7064 | 0.0745 | 0.0189 | 0.088* | |
C22 | 0.7787 (4) | −0.1018 (3) | 0.05717 (19) | 0.0540 (9) | |
C23 | 0.8398 (4) | −0.1771 (3) | 0.11459 (18) | 0.0435 (8) | |
H23 | 0.8512 | −0.2631 | 0.1127 | 0.052* | |
C24 | 0.8858 (4) | −0.1294 (3) | 0.17617 (17) | 0.0378 (7) | |
C25 | 0.9562 (4) | −0.2199 (3) | 0.23510 (17) | 0.0388 (7) | |
C26 | 1.0948 (4) | −0.1857 (3) | 0.27359 (18) | 0.0399 (7) | |
C27 | 1.1021 (4) | −0.2291 (3) | 0.3501 (2) | 0.0531 (9) | |
H31 | 1.0170 | −0.2814 | 0.3778 | 0.064* | 0.50 |
C28 | 1.2290 (6) | −0.1986 (4) | 0.3868 (2) | 0.0709 (11) | |
H28 | 1.2299 | −0.2281 | 0.4396 | 0.085* | |
C29 | 1.3531 (5) | −0.1262 (4) | 0.3474 (3) | 0.0747 (13) | |
H29 | 1.4411 | −0.1053 | 0.3729 | 0.090* | |
C30 | 1.3528 (4) | −0.0830 (3) | 0.2716 (3) | 0.0655 (11) | |
H30 | 1.4407 | −0.0336 | 0.2437 | 0.079* | |
C32 | 1.0045 (5) | 0.1643 (3) | 0.2218 (2) | 0.0575 (10) | |
H32A | 0.9343 | 0.2371 | 0.2294 | 0.086* | |
H32B | 1.0555 | 0.1722 | 0.1684 | 0.086* | |
H32C | 1.0916 | 0.1578 | 0.2552 | 0.086* | |
N1 | 0.6014 (3) | 0.5132 (2) | 0.24675 (13) | 0.0349 (6) | |
N2 | 0.7239 (4) | 0.3326 (3) | −0.03396 (17) | 0.0622 (9) | |
N3 | 0.9025 (3) | 0.0527 (2) | 0.24041 (14) | 0.0408 (6) | |
N4 | 0.7393 (4) | −0.1532 (4) | −0.00907 (19) | 0.0699 (9) | |
O1 | 0.7643 (3) | 0.3733 (2) | 0.30914 (13) | 0.0539 (6) | |
O2 | 0.6212 (9) | 0.2889 (10) | −0.0650 (6) | 0.0682 (10) | 0.503 (11) |
O3 | 0.8746 (8) | 0.3465 (9) | −0.0608 (4) | 0.0682 (10) | 0.503 (11) |
O2A | 0.5898 (8) | 0.3148 (10) | −0.0579 (6) | 0.0682 (10) | 0.497 (11) |
O3A | 0.8581 (8) | 0.3038 (9) | −0.0666 (5) | 0.0682 (10) | 0.497 (11) |
O4 | 0.2145 (3) | 0.4335 (3) | 0.15219 (15) | 0.0671 (7) | |
O5 | 0.7432 (3) | −0.0798 (2) | 0.32668 (13) | 0.0598 (7) | |
O6 | 0.6964 (13) | −0.0882 (7) | −0.0642 (5) | 0.0802 (18) | 0.503 (11) |
O7 | 0.775 (2) | −0.2652 (7) | −0.0057 (5) | 0.0802 (18) | 0.503 (11) |
O6A | 0.6291 (12) | −0.0950 (8) | −0.0452 (5) | 0.0802 (18) | 0.497 (11) |
O7A | 0.7985 (19) | −0.2503 (8) | −0.0264 (6) | 0.0802 (18) | 0.497 (11) |
O8 | 0.9024 (3) | −0.32484 (19) | 0.24960 (14) | 0.0583 (7) | |
F1 | 0.5148 (2) | 0.20503 (17) | 0.26090 (12) | 0.0662 (6) | |
F2 | 0.9848 (4) | −0.3000 (3) | 0.39096 (18) | 0.0501 (9) | 0.50 |
F2A | 1.2279 (7) | −0.0727 (5) | 0.1659 (4) | 0.1118 (19) | 0.50 |
Cl1 | 0.7252 (8) | 0.4779 (4) | 0.45561 (19) | 0.0750 (4) | 0.432 (5) |
Cl2 | 0.8013 (6) | 0.0204 (5) | 0.46559 (17) | 0.0750 (4) | 0.432 (5) |
Cl1A | 0.7034 (6) | 0.4317 (3) | 0.45940 (14) | 0.0750 (4) | 0.568 (5) |
Cl2A | 0.7300 (5) | 0.0317 (4) | 0.45918 (13) | 0.0750 (4) | 0.568 (5) |
C31 | 1.2222 (4) | −0.1128 (3) | 0.2367 (2) | 0.0509 (9) | |
H31A | 1.2206 | −0.0810 | 0.1843 | 0.061* | 0.50 |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.053 (2) | 0.063 (2) | 0.0410 (18) | 0.0030 (17) | −0.0029 (16) | −0.0080 (16) |
C2 | 0.0333 (17) | 0.0402 (18) | 0.0450 (18) | −0.0049 (14) | −0.0034 (14) | −0.0045 (14) |
C3 | 0.0358 (16) | 0.0265 (15) | 0.0444 (17) | 0.0022 (12) | −0.0076 (14) | −0.0023 (13) |
C4 | 0.0337 (17) | 0.0350 (17) | 0.0520 (19) | −0.0020 (13) | −0.0042 (14) | −0.0010 (14) |
C5 | 0.0420 (18) | 0.0380 (17) | 0.0484 (19) | 0.0056 (14) | 0.0035 (15) | 0.0015 (15) |
C6 | 0.054 (2) | 0.0348 (17) | 0.0411 (17) | 0.0102 (14) | −0.0026 (16) | −0.0008 (14) |
C7 | 0.051 (2) | 0.0329 (17) | 0.0482 (18) | 0.0036 (14) | −0.0151 (16) | −0.0074 (14) |
C8 | 0.0362 (17) | 0.0332 (16) | 0.0460 (17) | 0.0030 (12) | −0.0099 (14) | −0.0080 (13) |
C9 | 0.0365 (18) | 0.0419 (18) | 0.060 (2) | 0.0009 (14) | −0.0116 (16) | −0.0168 (16) |
C10 | 0.0318 (17) | 0.0420 (18) | 0.058 (2) | −0.0080 (14) | −0.0018 (15) | −0.0150 (15) |
C11 | 0.043 (2) | 0.0416 (19) | 0.066 (2) | −0.0086 (15) | 0.0026 (17) | −0.0086 (17) |
C12 | 0.071 (3) | 0.058 (2) | 0.068 (3) | −0.008 (2) | 0.001 (2) | 0.009 (2) |
C13 | 0.083 (3) | 0.085 (3) | 0.064 (3) | −0.021 (3) | 0.014 (3) | −0.004 (2) |
C14 | 0.061 (3) | 0.087 (3) | 0.076 (3) | −0.003 (2) | 0.017 (2) | −0.022 (3) |
C15 | 0.040 (2) | 0.068 (2) | 0.072 (3) | −0.0051 (17) | 0.0019 (18) | −0.017 (2) |
C16 | 0.050 (2) | 0.0418 (19) | 0.058 (2) | 0.0097 (15) | −0.0119 (17) | −0.0141 (16) |
C17 | 0.080 (3) | 0.053 (2) | 0.060 (2) | 0.0080 (19) | −0.011 (2) | −0.0182 (18) |
C18 | 0.0444 (19) | 0.0406 (19) | 0.052 (2) | 0.0103 (15) | −0.0063 (16) | −0.0103 (15) |
C19 | 0.0424 (18) | 0.0344 (17) | 0.0465 (18) | −0.0006 (13) | −0.0052 (15) | −0.0070 (14) |
C20 | 0.093 (3) | 0.0361 (19) | 0.071 (2) | 0.0108 (18) | −0.032 (2) | −0.0048 (18) |
C21 | 0.107 (3) | 0.053 (2) | 0.065 (2) | 0.007 (2) | −0.042 (2) | 0.001 (2) |
C22 | 0.061 (2) | 0.054 (2) | 0.050 (2) | −0.0052 (17) | −0.0132 (18) | −0.0119 (17) |
C23 | 0.0443 (18) | 0.0379 (17) | 0.0496 (19) | −0.0034 (14) | −0.0060 (15) | −0.0104 (15) |
C24 | 0.0353 (16) | 0.0313 (16) | 0.0463 (17) | −0.0012 (12) | −0.0038 (14) | −0.0057 (13) |
C25 | 0.0376 (17) | 0.0305 (16) | 0.0481 (18) | −0.0015 (13) | −0.0031 (14) | −0.0069 (13) |
C26 | 0.0368 (17) | 0.0294 (16) | 0.0551 (19) | 0.0012 (13) | −0.0084 (15) | −0.0099 (14) |
C27 | 0.058 (2) | 0.048 (2) | 0.057 (2) | 0.0092 (17) | −0.0190 (18) | −0.0144 (17) |
C28 | 0.084 (3) | 0.067 (3) | 0.072 (3) | 0.020 (2) | −0.036 (2) | −0.024 (2) |
C29 | 0.057 (3) | 0.070 (3) | 0.115 (4) | 0.014 (2) | −0.039 (3) | −0.049 (3) |
C30 | 0.040 (2) | 0.052 (2) | 0.110 (4) | −0.0059 (17) | −0.006 (2) | −0.031 (2) |
C32 | 0.070 (2) | 0.0360 (18) | 0.067 (2) | −0.0078 (16) | −0.0020 (19) | −0.0130 (16) |
N1 | 0.0324 (13) | 0.0309 (13) | 0.0445 (14) | 0.0010 (10) | −0.0107 (11) | −0.0106 (11) |
N2 | 0.084 (2) | 0.0527 (19) | 0.0444 (18) | 0.0192 (17) | 0.0021 (17) | −0.0048 (14) |
N3 | 0.0432 (15) | 0.0307 (13) | 0.0497 (15) | −0.0001 (11) | −0.0049 (12) | −0.0106 (11) |
N4 | 0.074 (2) | 0.081 (3) | 0.061 (2) | −0.0025 (19) | −0.0255 (18) | −0.0142 (19) |
O1 | 0.0547 (14) | 0.0482 (14) | 0.0569 (14) | 0.0132 (11) | −0.0104 (12) | −0.0023 (11) |
O2 | 0.0908 (18) | 0.065 (4) | 0.0550 (16) | 0.0240 (17) | −0.0022 (13) | −0.0412 (18) |
O3 | 0.0908 (18) | 0.065 (4) | 0.0550 (16) | 0.0240 (17) | −0.0022 (13) | −0.0412 (18) |
O2A | 0.0908 (18) | 0.065 (4) | 0.0550 (16) | 0.0240 (17) | −0.0022 (13) | −0.0412 (18) |
O3A | 0.0908 (18) | 0.065 (4) | 0.0550 (16) | 0.0240 (17) | −0.0022 (13) | −0.0412 (18) |
O4 | 0.0392 (14) | 0.091 (2) | 0.0759 (17) | 0.0017 (13) | −0.0212 (13) | −0.0155 (15) |
O5 | 0.0565 (15) | 0.0591 (15) | 0.0610 (15) | −0.0140 (12) | 0.0073 (12) | −0.0096 (12) |
O6 | 0.088 (4) | 0.103 (2) | 0.057 (3) | 0.002 (3) | −0.022 (3) | −0.026 (2) |
O7 | 0.088 (4) | 0.103 (2) | 0.057 (3) | 0.002 (3) | −0.022 (3) | −0.026 (2) |
O6A | 0.088 (4) | 0.103 (2) | 0.057 (3) | 0.002 (3) | −0.022 (3) | −0.026 (2) |
O7A | 0.088 (4) | 0.103 (2) | 0.057 (3) | 0.002 (3) | −0.022 (3) | −0.026 (2) |
O8 | 0.0678 (16) | 0.0332 (12) | 0.0758 (16) | −0.0164 (11) | −0.0232 (13) | 0.0017 (11) |
F1 | 0.0638 (13) | 0.0448 (11) | 0.0829 (15) | 0.0077 (9) | 0.0073 (11) | −0.0042 (10) |
F2 | 0.056 (2) | 0.055 (2) | 0.0343 (18) | −0.0175 (18) | −0.0003 (17) | 0.0099 (16) |
F2A | 0.095 (4) | 0.092 (4) | 0.139 (5) | −0.020 (3) | 0.016 (4) | −0.012 (4) |
Cl1 | 0.0919 (13) | 0.0855 (10) | 0.0464 (5) | 0.0205 (15) | −0.0146 (5) | −0.0069 (6) |
Cl2 | 0.0919 (13) | 0.0855 (10) | 0.0464 (5) | 0.0205 (15) | −0.0146 (5) | −0.0069 (6) |
Cl1A | 0.0919 (13) | 0.0855 (10) | 0.0464 (5) | 0.0205 (15) | −0.0146 (5) | −0.0069 (6) |
Cl2A | 0.0919 (13) | 0.0855 (10) | 0.0464 (5) | 0.0205 (15) | −0.0146 (5) | −0.0069 (6) |
C31 | 0.049 (2) | 0.0389 (19) | 0.061 (2) | −0.0036 (15) | 0.0027 (18) | −0.0052 (17) |
C1—C2 | 1.503 (4) | C17—H17B | 0.9900 |
C1—Cl1 | 1.694 (6) | C18—O5 | 1.213 (4) |
C1—Cl1A | 1.825 (5) | C18—N3 | 1.359 (4) |
C1—H1A | 0.9900 | C19—C20 | 1.382 (5) |
C1—H1B | 0.9900 | C19—C24 | 1.398 (4) |
C2—O1 | 1.217 (4) | C19—N3 | 1.420 (4) |
C2—N1 | 1.354 (4) | C20—C21 | 1.371 (5) |
C3—C4 | 1.385 (4) | C20—H20 | 0.9500 |
C3—C8 | 1.398 (4) | C21—C22 | 1.383 (5) |
C3—N1 | 1.424 (4) | C21—H21 | 0.9500 |
C4—C5 | 1.373 (4) | C22—C23 | 1.353 (5) |
C4—H4 | 0.9500 | C22—N4 | 1.463 (5) |
C5—C6 | 1.374 (5) | C23—C24 | 1.387 (4) |
C5—H5 | 0.9500 | C23—H23 | 0.9500 |
C6—C7 | 1.376 (4) | C24—C25 | 1.491 (4) |
C6—N2 | 1.465 (4) | C25—O8 | 1.224 (3) |
C7—C8 | 1.378 (4) | C25—C26 | 1.484 (4) |
C7—H7 | 0.9500 | C26—C31 | 1.365 (4) |
C8—C9 | 1.502 (4) | C26—C27 | 1.386 (4) |
C9—O4 | 1.214 (4) | C27—C28 | 1.372 (5) |
C9—C10 | 1.480 (5) | C27—H31 | 0.9500 |
C10—C15 | 1.385 (4) | C28—C29 | 1.357 (6) |
C10—C11 | 1.390 (5) | C28—H28 | 0.9500 |
C11—C12 | 1.359 (5) | C29—C30 | 1.366 (6) |
C11—F1 | 1.361 (4) | C29—H29 | 0.9500 |
C12—C13 | 1.377 (6) | C30—C31 | 1.375 (5) |
C12—H12 | 0.9500 | C30—H30 | 0.9500 |
C13—C14 | 1.370 (6) | C32—N3 | 1.473 (4) |
C13—H13 | 0.9500 | C32—H32A | 0.9800 |
C14—C15 | 1.383 (5) | C32—H32B | 0.9800 |
C14—H14 | 0.9500 | C32—H32C | 0.9800 |
C15—H15 | 0.9500 | N2—O2 | 1.212 (7) |
C16—N1 | 1.476 (4) | N2—O3A | 1.221 (6) |
C16—H16A | 0.9800 | N2—O2A | 1.256 (7) |
C16—H16B | 0.9800 | N2—O3 | 1.260 (6) |
C16—H16C | 0.9800 | N4—O6 | 1.208 (7) |
C17—C18 | 1.512 (5) | N4—O7A | 1.218 (7) |
C17—Cl2 | 1.717 (5) | N4—O7 | 1.245 (7) |
C17—Cl2A | 1.817 (4) | N4—O6A | 1.272 (6) |
C17—H17A | 0.9900 | C31—H31A | 0.9500 |
C2—C1—Cl1 | 117.8 (3) | N3—C18—C17 | 114.8 (3) |
C2—C1—Cl1A | 108.3 (3) | C20—C19—C24 | 119.6 (3) |
C2—C1—H1A | 107.9 | C20—C19—N3 | 118.2 (3) |
Cl1—C1—H1A | 107.9 | C24—C19—N3 | 122.2 (3) |
Cl1A—C1—H1A | 99.7 | C21—C20—C19 | 121.5 (3) |
C2—C1—H1B | 107.9 | C21—C20—H20 | 119.2 |
Cl1—C1—H1B | 107.9 | C19—C20—H20 | 119.2 |
Cl1A—C1—H1B | 124.8 | C20—C21—C22 | 117.9 (4) |
H1A—C1—H1B | 107.2 | C20—C21—H21 | 121.1 |
O1—C2—N1 | 122.4 (3) | C22—C21—H21 | 121.1 |
O1—C2—C1 | 122.5 (3) | C23—C22—C21 | 122.0 (3) |
N1—C2—C1 | 115.0 (3) | C23—C22—N4 | 119.4 (3) |
C4—C3—C8 | 119.9 (3) | C21—C22—N4 | 118.6 (3) |
C4—C3—N1 | 120.3 (3) | C22—C23—C24 | 120.4 (3) |
C8—C3—N1 | 119.7 (3) | C22—C23—H23 | 119.8 |
C5—C4—C3 | 120.3 (3) | C24—C23—H23 | 119.8 |
C5—C4—H4 | 119.8 | C23—C24—C19 | 118.5 (3) |
C3—C4—H4 | 119.8 | C23—C24—C25 | 116.1 (3) |
C4—C5—C6 | 118.8 (3) | C19—C24—C25 | 125.4 (3) |
C4—C5—H5 | 120.6 | O8—C25—C26 | 119.9 (3) |
C6—C5—H5 | 120.6 | O8—C25—C24 | 119.2 (3) |
C5—C6—C7 | 122.3 (3) | C26—C25—C24 | 120.9 (2) |
C5—C6—N2 | 119.8 (3) | C31—C26—C27 | 116.2 (3) |
C7—C6—N2 | 117.8 (3) | C31—C26—C25 | 123.0 (3) |
C8—C7—C6 | 118.8 (3) | C27—C26—C25 | 120.8 (3) |
C8—C7—H7 | 120.6 | C28—C27—C26 | 121.7 (4) |
C6—C7—H7 | 120.6 | C28—C27—H31 | 119.1 |
C7—C8—C3 | 119.7 (3) | C26—C27—H31 | 119.1 |
C7—C8—C9 | 117.4 (3) | C29—C28—C27 | 119.7 (4) |
C3—C8—C9 | 122.9 (3) | C29—C28—H28 | 120.1 |
O4—C9—C10 | 120.9 (3) | C27—C28—H28 | 120.1 |
O4—C9—C8 | 119.3 (3) | C30—C29—C28 | 120.7 (4) |
C10—C9—C8 | 119.8 (3) | C30—C29—H29 | 119.7 |
C15—C10—C11 | 116.9 (3) | C28—C29—H29 | 119.7 |
C15—C10—C9 | 119.4 (3) | C29—C30—C31 | 118.3 (4) |
C11—C10—C9 | 123.7 (3) | C29—C30—H30 | 120.8 |
C12—C11—F1 | 117.7 (3) | C31—C30—H30 | 120.8 |
C12—C11—C10 | 123.7 (3) | N3—C32—H32A | 109.5 |
F1—C11—C10 | 118.5 (3) | N3—C32—H32B | 109.5 |
C11—C12—C13 | 117.6 (4) | H32A—C32—H32B | 109.5 |
C11—C12—H12 | 121.2 | N3—C32—H32C | 109.5 |
C13—C12—H12 | 121.2 | H32A—C32—H32C | 109.5 |
C14—C13—C12 | 121.1 (4) | H32B—C32—H32C | 109.5 |
C14—C13—H13 | 119.4 | C2—N1—C3 | 120.1 (2) |
C12—C13—H13 | 119.4 | C2—N1—C16 | 123.0 (2) |
C13—C14—C15 | 120.0 (4) | C3—N1—C16 | 116.5 (2) |
C13—C14—H14 | 120.0 | O2—N2—O3A | 105.4 (5) |
C15—C14—H14 | 120.0 | O3A—N2—O2A | 122.1 (4) |
C10—C15—C14 | 120.4 (4) | O2—N2—O3 | 124.8 (4) |
C10—C15—H15 | 119.8 | O2A—N2—O3 | 137.8 (7) |
C14—C15—H15 | 119.8 | O2—N2—C6 | 126.2 (5) |
N1—C16—H16A | 109.5 | O3A—N2—C6 | 126.5 (5) |
N1—C16—H16B | 109.5 | O2A—N2—C6 | 111.2 (4) |
H16A—C16—H16B | 109.5 | O3—N2—C6 | 108.9 (5) |
N1—C16—H16C | 109.5 | C18—N3—C19 | 119.0 (2) |
H16A—C16—H16C | 109.5 | C18—N3—C32 | 122.9 (3) |
H16B—C16—H16C | 109.5 | C19—N3—C32 | 117.6 (2) |
C18—C17—Cl2 | 115.6 (3) | O6—N4—O7A | 110.7 (7) |
C18—C17—Cl2A | 107.1 (3) | O6—N4—O7 | 125.0 (5) |
C18—C17—H17A | 108.4 | O7A—N4—O6A | 120.9 (6) |
Cl2—C17—H17A | 108.4 | O7—N4—O6A | 126.4 (9) |
Cl2A—C17—H17A | 96.2 | O6—N4—C22 | 121.7 (5) |
C18—C17—H17B | 108.4 | O7A—N4—C22 | 123.0 (6) |
Cl2—C17—H17B | 108.4 | O7—N4—C22 | 112.7 (6) |
Cl2A—C17—H17B | 127.7 | O6A—N4—C22 | 116.0 (5) |
H17A—C17—H17B | 107.4 | C26—C31—C30 | 123.3 (4) |
O5—C18—N3 | 122.3 (3) | C26—C31—H31A | 118.4 |
O5—C18—C17 | 122.8 (3) | C30—C31—H31A | 118.4 |
Cl1—C1—C2—O1 | 5.3 (5) | C20—C19—C24—C25 | −178.9 (3) |
Cl1A—C1—C2—O1 | −9.9 (4) | N3—C19—C24—C25 | −0.9 (4) |
Cl1—C1—C2—N1 | −176.5 (3) | C23—C24—C25—O8 | −35.0 (4) |
Cl1A—C1—C2—N1 | 168.3 (2) | C19—C24—C25—O8 | 144.5 (3) |
C8—C3—C4—C5 | 1.2 (4) | C23—C24—C25—C26 | 142.3 (3) |
N1—C3—C4—C5 | −175.7 (3) | C19—C24—C25—C26 | −38.2 (4) |
C3—C4—C5—C6 | 1.9 (4) | O8—C25—C26—C31 | 139.5 (3) |
C4—C5—C6—C7 | −2.4 (5) | C24—C25—C26—C31 | −37.7 (4) |
C4—C5—C6—N2 | −179.3 (3) | O8—C25—C26—C27 | −39.4 (4) |
C5—C6—C7—C8 | −0.2 (5) | C24—C25—C26—C27 | 143.4 (3) |
N2—C6—C7—C8 | 176.7 (3) | C31—C26—C27—C28 | 1.1 (5) |
C6—C7—C8—C3 | 3.4 (4) | C25—C26—C27—C28 | −179.9 (3) |
C6—C7—C8—C9 | −175.2 (3) | C26—C27—C28—C29 | −1.4 (6) |
C4—C3—C8—C7 | −3.9 (4) | C27—C28—C29—C30 | 0.2 (6) |
N1—C3—C8—C7 | 173.1 (3) | C28—C29—C30—C31 | 1.3 (6) |
C4—C3—C8—C9 | 174.7 (3) | O1—C2—N1—C3 | −2.6 (4) |
N1—C3—C8—C9 | −8.4 (4) | C1—C2—N1—C3 | 179.2 (2) |
C7—C8—C9—O4 | −42.2 (4) | O1—C2—N1—C16 | −175.3 (3) |
C3—C8—C9—O4 | 139.2 (3) | C1—C2—N1—C16 | 6.5 (4) |
C7—C8—C9—C10 | 136.9 (3) | C4—C3—N1—C2 | −61.7 (4) |
C3—C8—C9—C10 | −41.7 (4) | C8—C3—N1—C2 | 121.3 (3) |
O4—C9—C10—C15 | −39.3 (4) | C4—C3—N1—C16 | 111.4 (3) |
C8—C9—C10—C15 | 141.7 (3) | C8—C3—N1—C16 | −65.6 (3) |
O4—C9—C10—C11 | 140.2 (3) | C5—C6—N2—O2 | 174.7 (8) |
C8—C9—C10—C11 | −38.9 (4) | C7—C6—N2—O2 | −2.3 (9) |
C15—C10—C11—C12 | −1.4 (5) | C5—C6—N2—O3A | 12.5 (8) |
C9—C10—C11—C12 | 179.1 (3) | C7—C6—N2—O3A | −164.5 (7) |
C15—C10—C11—F1 | 176.8 (3) | C5—C6—N2—O2A | −172.9 (6) |
C9—C10—C11—F1 | −2.7 (4) | C7—C6—N2—O2A | 10.0 (7) |
F1—C11—C12—C13 | −179.0 (3) | C5—C6—N2—O3 | −6.4 (6) |
C10—C11—C12—C13 | −0.8 (5) | C7—C6—N2—O3 | 176.6 (5) |
C11—C12—C13—C14 | 1.6 (6) | O5—C18—N3—C19 | 5.5 (5) |
C12—C13—C14—C15 | −0.3 (7) | C17—C18—N3—C19 | −175.3 (3) |
C11—C10—C15—C14 | 2.8 (5) | O5—C18—N3—C32 | 177.7 (3) |
C9—C10—C15—C14 | −177.7 (3) | C17—C18—N3—C32 | −3.1 (4) |
C13—C14—C15—C10 | −2.1 (6) | C20—C19—N3—C18 | 120.9 (3) |
Cl2—C17—C18—O5 | 6.0 (5) | C24—C19—N3—C18 | −57.1 (4) |
Cl2A—C17—C18—O5 | −13.0 (4) | C20—C19—N3—C32 | −51.8 (4) |
Cl2—C17—C18—N3 | −173.1 (3) | C24—C19—N3—C32 | 130.2 (3) |
Cl2A—C17—C18—N3 | 167.8 (3) | C23—C22—N4—O6 | −174.4 (7) |
C24—C19—C20—C21 | −2.3 (6) | C21—C22—N4—O6 | 5.8 (8) |
N3—C19—C20—C21 | 179.6 (3) | C23—C22—N4—O7A | −20.9 (10) |
C19—C20—C21—C22 | 1.3 (6) | C21—C22—N4—O7A | 159.2 (10) |
C20—C21—C22—C23 | 1.6 (6) | C23—C22—N4—O7 | −2.8 (9) |
C20—C21—C22—N4 | −178.6 (3) | C21—C22—N4—O7 | 177.3 (8) |
C21—C22—C23—C24 | −3.3 (5) | C23—C22—N4—O6A | 154.2 (7) |
N4—C22—C23—C24 | 176.8 (3) | C21—C22—N4—O6A | −25.7 (8) |
C22—C23—C24—C19 | 2.2 (4) | C27—C26—C31—C30 | 0.4 (5) |
C22—C23—C24—C25 | −178.3 (3) | C25—C26—C31—C30 | −178.6 (3) |
C20—C19—C24—C23 | 0.6 (4) | C29—C30—C31—C26 | −1.6 (5) |
N3—C19—C24—C23 | 178.6 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
C32—H32A···O1 | 0.98 | 2.48 | 3.383 (4) | 154 |
C29—H29···O5i | 0.95 | 2.50 | 3.194 (5) | 130 |
C28—H28···Cl1Aii | 0.95 | 2.74 | 3.543 (6) | 143 |
C17—H17A···O1 | 0.99 | 2.38 | 3.348 (4) | 165 |
C16—H16B···O2iii | 0.98 | 2.47 | 3.45 (1) | 176 |
C7—H7···O7iv | 0.95 | 2.37 | 3.31 (2) | 173 |
Symmetry codes: (i) x+1, y, z; (ii) −x+2, −y, −z+1; (iii) −x+1, −y+1, −z; (iv) −x+1, −y, −z. |
Experimental details
Crystal data | |
Chemical formula | C16H12ClFN2O4 |
Mr | 350.73 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 200 |
a, b, c (Å) | 8.1339 (6), 10.9639 (8), 17.8690 (11) |
α, β, γ (°) | 81.251 (6), 82.239 (6), 87.937 (6) |
V (Å3) | 1560.38 (19) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.28 |
Crystal size (mm) | 0.24 × 0.16 × 0.12 |
Data collection | |
Diffractometer | Oxford Diffraction Xcalibur Eos Gemini diffractometer |
Absorption correction | Multi-scan (CrysAlis RED; Oxford Diffraction, 2010) |
Tmin, Tmax | 0.936, 0.967 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 13030, 6373, 3774 |
Rint | 0.041 |
(sin θ/λ)max (Å−1) | 0.625 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.066, 0.172, 1.03 |
No. of reflections | 6373 |
No. of parameters | 448 |
No. of restraints | 16 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.32, −0.36 |
Computer programs: CrysAlis PRO (Oxford Diffraction, 2010), CrysAlis RED (Oxford Diffraction, 2010), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
C32—H32A···O1 | 0.98 | 2.48 | 3.383 (4) | 153.5 |
C29—H29···O5i | 0.95 | 2.50 | 3.194 (5) | 130.4 |
C28—H28···Cl1Aii | 0.95 | 2.74 | 3.543 (6) | 143.2 |
C17—H17A···O1 | 0.99 | 2.38 | 3.348 (4) | 164.5 |
C16—H16B···O2iii | 0.98 | 2.47 | 3.45 (1) | 175.7 |
C7—H7···O7iv | 0.95 | 2.37 | 3.31 (2) | 173.3 |
Symmetry codes: (i) x+1, y, z; (ii) −x+2, −y, −z+1; (iii) −x+1, −y+1, −z; (iv) −x+1, −y, −z. |
Acknowledgements
BPS thanks the University of Mysore for access to their research facilities. HSY thanks R. L. Fine Chem, Bangalore, for the title compound. JPJ acknowledges the NSF–MRI program (grant No. CHE1039027) for funds to purchase the X-ray diffractometer.
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.
Benzophenone and related compounds have been reported to act as antiallergic, anti-inflammatory, antiasthmatic, antimalarial, antimicrobial and antianaphylactic agents (Evans et al., 1987). The title compound is an intermediate in the synthesis of certain anxiolytic, anticonvulsant and sedative drugs and is also used as an intermediate to synthesize flunitrazepam, which is used as a potent hypnotic and powerful sedative, anticonvulsant, anxiolytic, amnestic, and skeletal muscle relaxant drug (Malanciuc et al., 2009). The crystal structures of 2-chloroacetamido-5-chloro-2'-fluorobenzophenone (Prasanna & Guru Row, 2000), N-(2-benzoyl-4-chlorophenyl)-2- chloroacetamide (Malathy Sony et al., 2005a), 2-methoxy-5-methylphenyl phenyl ketone (Malathy Sony et al., 2005b), 2-amino-5-nitrophenyl 2-chlorophenyl ketone (Jasinski et al., 2009), N-[4-chloro-2-(2-chlorobenzoyl)phenyl]acetamide (Khan et al., 2010) and 2-chloro-N-[4-chloro-2-(2-chlorobenzoyl)phenyl]acetamide (Dutkiewicz et al., 2010) have been reported. In view of the importance of the title compound, C16H12N2O4ClF, the crystal structure of (I) is reported.
The title compound, C16H12N2O4ClF, crystallizes with two molecules in the asymmetric unit (Fig. 1). The dihedral angle between the mean planes of the two benzene rings is 65.1 (7)° and 65.6 (6)°, respectively. Bond lengths are in normal ranges (Allen et al., 1987). The two nitro groups display rotational disorder over two positions in a ratio of 0.503 (11) : 0.497 (11). In addition, disorder is observed concerning both chlorine atoms in a ratio of 0.432 (5) : 0.568 (5). One of the fluorine atoms (F2) is statistically disordered (0.50 (0)) over two positions (F2 and F2A). The crystal packing is realized by weak intermolecular C—H···O and C—H···Cl interactions forming a supermolecular 2-D network (Fig. 2).