
Acta Cryst. (2009). E65, o2985 [ doi:10.1107/S1600536809045358 ]
The asymmetric unit of the title compound, C20H20ClNO2, contains two crystallographically independent molecules of similar geometry. The piperidine ring adopts a distorted boat conformation in both molecules, in which the N atom assumes an almost planar configuration.
To a solution of 3-methyl-2,6-diphenylpiperidin-4-one (0.005 mol) and triethylamine (0.005 mol) dissolved in benzene (50 ml), chloroacetyl chloride (0.005 mol) dissolved in benzene (10 ml) was added. The mixture was stirred for an hour. The mixture was then poured into water and the organic product extracted with ether. The ether phase was washed with 3% sodium bicarbonate solution and then dried over anhydrous sodium sulfate. The compound was purified by recrystallization from ethanol.
C-bound H-atoms were placed in calculated positions (C-H = 0.93–0.98 Å) and were included in the refinement in the riding model approximation, with Uiso(H) set to 1.2–1.5Ueq(C).
Data collection: SMART (Bruker, 2004); cell refinement: SAINT (Bruker, 2004); data reduction: SAINT (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2009).
| Fig. 1. Displacement ellipsoid plot (Barbour, 2001) of C20H20ClNO2 at the 50% probability level. H atoms are drawn as spheres of arbitrary radius. |
| C20H20ClNO2 | F(000) = 1440 |
| Mr = 341.82 | Dx = 1.290 Mg m−3 |
| Monoclinic, Cc | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: C -2yc | Cell parameters from 1325 reflections |
| a = 31.026 (6) Å | θ = 3.0–20.7° |
| b = 12.417 (2) Å | µ = 0.23 mm−1 |
| c = 9.3209 (17) Å | T = 290 K |
| β = 101.423 (4)° | Block, colourless |
| V = 3519.8 (11) Å3 | 0.25 × 0.23 × 0.20 mm |
| Z = 8 |
| Bruker SMART CCD area-detector diffractometer | 7013 independent reflections |
| Radiation source: fine-focus sealed tube | 4933 reflections with I > 2σ(I) |
| graphite | Rint = 0.036 |
| φ and ω scans | θmax = 27.5°, θmin = 1.8° |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −38→40 |
| Tmin = 0.945, Tmax = 0.956 | k = −16→16 |
| 14797 measured reflections | l = −11→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)] = 0.051 | H-atom parameters constrained |
| wR(F2) = 0.094 | w = 1/[σ2(Fo2) + (0.0334P)2] where P = (Fo2 + 2Fc2)/3 |
| S = 1.05 | (Δ/σ)max = 0.001 |
| 7013 reflections | Δρmax = 0.31 e Å−3 |
| 435 parameters | Δρmin = −0.13 e Å−3 |
| 2 restraints | Absolute structure: Flack (1983), 3002 Friedel pairs |
| Primary atom site location: structure-invariant direct methods | Flack parameter: 0.04 (5) |
| C20H20ClNO2 | V = 3519.8 (11) Å3 |
| Mr = 341.82 | Z = 8 |
| Monoclinic, Cc | Mo Kα radiation |
| a = 31.026 (6) Å | µ = 0.23 mm−1 |
| b = 12.417 (2) Å | T = 290 K |
| c = 9.3209 (17) Å | 0.25 × 0.23 × 0.20 mm |
| β = 101.423 (4)° |
| Bruker SMART CCD area-detector diffractometer | 7013 independent reflections |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 4933 reflections with I > 2σ(I) |
| Tmin = 0.945, Tmax = 0.956 | Rint = 0.036 |
| 14797 measured reflections | θmax = 27.5° |
| R[F2 > 2σ(F2)] = 0.051 | H-atom parameters constrained |
| wR(F2) = 0.094 | Δρmax = 0.31 e Å−3 |
| S = 1.05 | Δρmin = −0.13 e Å−3 |
| 7013 reflections | Absolute structure: Flack (1983), 3002 Friedel pairs |
| 435 parameters | Flack parameter: 0.04 (5) |
| 2 restraints |
| x | y | z | Uiso*/Ueq | ||
| Cl1 | 0.50000 (3) | 0.64105 (6) | 0.50836 (9) | 0.0634 (2) | |
| Cl2 | 0.41803 (3) | 0.49823 (7) | 0.15694 (9) | 0.0608 (2) | |
| O1 | 0.63439 (8) | 0.1780 (2) | 0.3091 (3) | 0.0758 (7) | |
| O2 | 0.57673 (8) | 0.53213 (18) | 0.6705 (3) | 0.0685 (7) | |
| O3 | 0.22780 (8) | 0.6049 (2) | 0.4959 (3) | 0.0728 (7) | |
| O4 | 0.32828 (7) | 0.55176 (18) | 0.0346 (2) | 0.0622 (6) | |
| N1 | 0.57108 (8) | 0.3715 (2) | 0.5510 (2) | 0.0430 (6) | |
| N2 | 0.30973 (8) | 0.64746 (17) | 0.2214 (2) | 0.0405 (6) | |
| C1 | 0.61735 (10) | 0.2246 (3) | 0.3972 (3) | 0.0510 (8) | |
| C2 | 0.63947 (11) | 0.3156 (3) | 0.4873 (4) | 0.0598 (9) | |
| H2A | 0.6395 | 0.3782 | 0.4251 | 0.072* | |
| H2B | 0.6698 | 0.2961 | 0.5258 | 0.072* | |
| C3 | 0.61746 (10) | 0.3449 (3) | 0.6139 (3) | 0.0501 (8) | |
| H3 | 0.6313 | 0.4118 | 0.6560 | 0.060* | |
| C4 | 0.54533 (10) | 0.2968 (2) | 0.4414 (3) | 0.0422 (7) | |
| H4 | 0.5391 | 0.3344 | 0.3471 | 0.051* | |
| C5 | 0.57193 (10) | 0.1944 (2) | 0.4222 (3) | 0.0470 (8) | |
| H5 | 0.5761 | 0.1545 | 0.5146 | 0.056* | |
| C6 | 0.62226 (10) | 0.2644 (3) | 0.7379 (3) | 0.0472 (8) | |
| C7 | 0.64743 (11) | 0.1717 (3) | 0.7463 (4) | 0.0602 (9) | |
| H7 | 0.6631 | 0.1574 | 0.6730 | 0.072* | |
| C8 | 0.64984 (12) | 0.1004 (3) | 0.8605 (4) | 0.0675 (10) | |
| H8 | 0.6670 | 0.0388 | 0.8640 | 0.081* | |
| C9 | 0.62698 (13) | 0.1204 (3) | 0.9686 (4) | 0.0695 (10) | |
| H9 | 0.6279 | 0.0713 | 1.0446 | 0.083* | |
| C10 | 0.60264 (12) | 0.2128 (3) | 0.9652 (4) | 0.0698 (11) | |
| H10 | 0.5875 | 0.2274 | 1.0397 | 0.084* | |
| C11 | 0.60076 (11) | 0.2835 (3) | 0.8510 (3) | 0.0598 (9) | |
| H11 | 0.5844 | 0.3464 | 0.8501 | 0.072* | |
| C12 | 0.50134 (10) | 0.2664 (2) | 0.4800 (3) | 0.0443 (7) | |
| C13 | 0.49875 (13) | 0.2290 (3) | 0.6171 (4) | 0.0621 (10) | |
| H13 | 0.5242 | 0.2204 | 0.6880 | 0.074* | |
| C14 | 0.45792 (15) | 0.2039 (3) | 0.6495 (4) | 0.0744 (12) | |
| H14 | 0.4562 | 0.1790 | 0.7423 | 0.089* | |
| C15 | 0.42043 (14) | 0.2160 (3) | 0.5452 (5) | 0.0713 (11) | |
| H15 | 0.3932 | 0.1996 | 0.5672 | 0.086* | |
| C16 | 0.42293 (12) | 0.2519 (3) | 0.4098 (5) | 0.0649 (9) | |
| H16 | 0.3974 | 0.2601 | 0.3392 | 0.078* | |
| C17 | 0.46276 (10) | 0.2760 (2) | 0.3765 (4) | 0.0524 (8) | |
| H17 | 0.4640 | 0.2993 | 0.2826 | 0.063* | |
| C18 | 0.55669 (10) | 0.4715 (2) | 0.5775 (4) | 0.0480 (8) | |
| C19 | 0.51356 (11) | 0.5052 (2) | 0.4795 (4) | 0.0570 (9) | |
| H19A | 0.4902 | 0.4589 | 0.4985 | 0.068* | |
| H19B | 0.5158 | 0.4958 | 0.3780 | 0.068* | |
| C20 | 0.54732 (12) | 0.1207 (3) | 0.3038 (4) | 0.0682 (10) | |
| H20A | 0.5666 | 0.0647 | 0.2840 | 0.102* | |
| H20B | 0.5371 | 0.1616 | 0.2163 | 0.102* | |
| H20C | 0.5226 | 0.0893 | 0.3363 | 0.102* | |
| C21 | 0.32251 (10) | 0.6907 (2) | 0.3728 (3) | 0.0411 (7) | |
| H21 | 0.3375 | 0.6327 | 0.4347 | 0.049* | |
| C22 | 0.28172 (11) | 0.7229 (3) | 0.4345 (3) | 0.0492 (8) | |
| H22 | 0.2696 | 0.7884 | 0.3833 | 0.059* | |
| C23 | 0.24657 (10) | 0.6372 (3) | 0.4037 (4) | 0.0510 (8) | |
| C24 | 0.23644 (11) | 0.5946 (3) | 0.2506 (3) | 0.0520 (8) | |
| H24A | 0.2054 | 0.6053 | 0.2109 | 0.062* | |
| H24B | 0.2420 | 0.5177 | 0.2534 | 0.062* | |
| C25 | 0.26308 (10) | 0.6470 (2) | 0.1472 (3) | 0.0446 (7) | |
| H25 | 0.2611 | 0.5977 | 0.0641 | 0.054* | |
| C26 | 0.24783 (10) | 0.7553 (2) | 0.0823 (3) | 0.0470 (8) | |
| C27 | 0.21257 (12) | 0.8110 (3) | 0.1142 (4) | 0.0613 (9) | |
| H27 | 0.1970 | 0.7822 | 0.1806 | 0.074* | |
| C28 | 0.20001 (14) | 0.9089 (3) | 0.0493 (4) | 0.0825 (12) | |
| H28 | 0.1762 | 0.9455 | 0.0730 | 0.099* | |
| C29 | 0.22233 (16) | 0.9526 (3) | −0.0500 (5) | 0.0910 (14) | |
| H29 | 0.2141 | 1.0192 | −0.0923 | 0.109* | |
| C30 | 0.25681 (15) | 0.8972 (4) | −0.0860 (4) | 0.0827 (12) | |
| H30 | 0.2719 | 0.9256 | −0.1543 | 0.099* | |
| C31 | 0.26915 (12) | 0.7997 (3) | −0.0212 (4) | 0.0644 (10) | |
| H31 | 0.2924 | 0.7624 | −0.0474 | 0.077* | |
| C32 | 0.35415 (10) | 0.7850 (2) | 0.3844 (3) | 0.0427 (7) | |
| C33 | 0.39264 (11) | 0.7851 (3) | 0.4903 (3) | 0.0525 (8) | |
| H33 | 0.3992 | 0.7256 | 0.5513 | 0.063* | |
| C34 | 0.42113 (12) | 0.8708 (3) | 0.5068 (4) | 0.0656 (10) | |
| H34 | 0.4466 | 0.8688 | 0.5787 | 0.079* | |
| C35 | 0.41234 (14) | 0.9586 (3) | 0.4187 (5) | 0.0741 (12) | |
| H35 | 0.4318 | 1.0164 | 0.4298 | 0.089* | |
| C36 | 0.37464 (15) | 0.9612 (3) | 0.3134 (5) | 0.0749 (11) | |
| H36 | 0.3686 | 1.0211 | 0.2528 | 0.090* | |
| C37 | 0.34551 (13) | 0.8754 (2) | 0.2963 (4) | 0.0597 (9) | |
| H37 | 0.3199 | 0.8785 | 0.2249 | 0.072* | |
| C38 | 0.33837 (10) | 0.5885 (2) | 0.1586 (3) | 0.0439 (7) | |
| C39 | 0.38335 (10) | 0.5695 (3) | 0.2533 (3) | 0.0506 (8) | |
| H39A | 0.3802 | 0.5288 | 0.3395 | 0.061* | |
| H39B | 0.3967 | 0.6382 | 0.2856 | 0.061* | |
| C40 | 0.29396 (13) | 0.7496 (4) | 0.5967 (4) | 0.0788 (12) | |
| H40A | 0.3109 | 0.6916 | 0.6477 | 0.118* | |
| H40B | 0.2677 | 0.7594 | 0.6349 | 0.118* | |
| H40C | 0.3110 | 0.8146 | 0.6098 | 0.118* |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| Cl1 | 0.0701 (6) | 0.0429 (4) | 0.0813 (6) | 0.0046 (4) | 0.0246 (5) | 0.0002 (4) |
| Cl2 | 0.0606 (5) | 0.0579 (5) | 0.0667 (5) | 0.0203 (4) | 0.0193 (4) | −0.0063 (4) |
| O1 | 0.0668 (16) | 0.109 (2) | 0.0558 (15) | 0.0238 (15) | 0.0222 (13) | −0.0105 (14) |
| O2 | 0.0717 (17) | 0.0582 (14) | 0.0703 (16) | −0.0018 (12) | 0.0007 (14) | −0.0201 (13) |
| O3 | 0.0627 (17) | 0.100 (2) | 0.0621 (16) | −0.0086 (14) | 0.0277 (14) | 0.0125 (14) |
| O4 | 0.0593 (15) | 0.0758 (15) | 0.0515 (15) | 0.0092 (12) | 0.0109 (12) | −0.0225 (13) |
| N1 | 0.0408 (15) | 0.0484 (15) | 0.0405 (15) | 0.0006 (12) | 0.0094 (12) | −0.0013 (11) |
| N2 | 0.0452 (15) | 0.0410 (13) | 0.0375 (15) | 0.0034 (12) | 0.0134 (13) | −0.0056 (11) |
| C1 | 0.050 (2) | 0.068 (2) | 0.0367 (18) | 0.0147 (17) | 0.0124 (16) | 0.0043 (16) |
| C2 | 0.049 (2) | 0.075 (2) | 0.060 (2) | 0.0018 (17) | 0.0217 (18) | 0.0043 (18) |
| C3 | 0.0388 (19) | 0.0572 (19) | 0.055 (2) | −0.0025 (15) | 0.0105 (16) | −0.0061 (16) |
| C4 | 0.0461 (18) | 0.0433 (17) | 0.0394 (18) | 0.0002 (14) | 0.0137 (15) | 0.0031 (13) |
| C5 | 0.050 (2) | 0.0525 (18) | 0.0387 (18) | 0.0098 (15) | 0.0086 (15) | −0.0024 (14) |
| C6 | 0.0353 (17) | 0.061 (2) | 0.0430 (19) | 0.0040 (15) | 0.0025 (15) | −0.0085 (15) |
| C7 | 0.054 (2) | 0.076 (2) | 0.050 (2) | 0.0153 (18) | 0.0106 (17) | −0.0104 (18) |
| C8 | 0.069 (3) | 0.069 (2) | 0.060 (2) | 0.019 (2) | 0.002 (2) | −0.005 (2) |
| C9 | 0.065 (3) | 0.083 (3) | 0.055 (2) | 0.006 (2) | −0.003 (2) | 0.014 (2) |
| C10 | 0.056 (2) | 0.108 (3) | 0.046 (2) | 0.019 (2) | 0.0111 (18) | 0.009 (2) |
| C11 | 0.056 (2) | 0.076 (2) | 0.047 (2) | 0.0232 (18) | 0.0069 (17) | −0.0036 (18) |
| C12 | 0.0487 (19) | 0.0378 (15) | 0.049 (2) | −0.0010 (14) | 0.0154 (17) | −0.0046 (14) |
| C13 | 0.069 (3) | 0.072 (2) | 0.047 (2) | −0.0169 (19) | 0.0184 (19) | 0.0010 (18) |
| C14 | 0.099 (3) | 0.080 (3) | 0.053 (2) | −0.034 (2) | 0.037 (3) | −0.011 (2) |
| C15 | 0.069 (3) | 0.065 (2) | 0.091 (3) | −0.024 (2) | 0.044 (3) | −0.027 (2) |
| C16 | 0.051 (2) | 0.0567 (19) | 0.088 (3) | −0.0036 (17) | 0.018 (2) | −0.013 (2) |
| C17 | 0.049 (2) | 0.0485 (18) | 0.061 (2) | 0.0009 (15) | 0.0143 (19) | 0.0016 (16) |
| C18 | 0.051 (2) | 0.0435 (18) | 0.053 (2) | −0.0006 (15) | 0.0169 (17) | 0.0006 (15) |
| C19 | 0.061 (2) | 0.0439 (17) | 0.068 (2) | 0.0047 (15) | 0.0152 (19) | −0.0038 (16) |
| C20 | 0.075 (3) | 0.063 (2) | 0.066 (2) | 0.0087 (19) | 0.013 (2) | −0.0142 (19) |
| C21 | 0.0509 (19) | 0.0379 (15) | 0.0357 (17) | 0.0038 (14) | 0.0117 (14) | 0.0004 (13) |
| C22 | 0.055 (2) | 0.0528 (19) | 0.0436 (19) | 0.0015 (16) | 0.0183 (16) | −0.0069 (15) |
| C23 | 0.0430 (19) | 0.058 (2) | 0.055 (2) | 0.0062 (16) | 0.0172 (17) | 0.0040 (17) |
| C24 | 0.049 (2) | 0.0507 (18) | 0.058 (2) | −0.0066 (15) | 0.0133 (17) | −0.0029 (16) |
| C25 | 0.0441 (19) | 0.0495 (18) | 0.0411 (18) | −0.0006 (14) | 0.0105 (15) | −0.0066 (15) |
| C26 | 0.049 (2) | 0.0549 (18) | 0.0374 (18) | 0.0057 (15) | 0.0101 (15) | −0.0041 (14) |
| C27 | 0.056 (2) | 0.074 (2) | 0.057 (2) | 0.0151 (18) | 0.0185 (18) | 0.0047 (19) |
| C28 | 0.090 (3) | 0.081 (3) | 0.080 (3) | 0.041 (2) | 0.025 (2) | 0.004 (2) |
| C29 | 0.125 (4) | 0.069 (3) | 0.080 (3) | 0.035 (3) | 0.023 (3) | 0.020 (2) |
| C30 | 0.103 (3) | 0.088 (3) | 0.064 (3) | 0.015 (3) | 0.033 (2) | 0.022 (2) |
| C31 | 0.070 (2) | 0.072 (2) | 0.056 (2) | 0.0188 (19) | 0.0251 (19) | 0.0126 (19) |
| C32 | 0.054 (2) | 0.0362 (16) | 0.0416 (18) | 0.0032 (14) | 0.0196 (16) | −0.0060 (13) |
| C33 | 0.058 (2) | 0.0447 (19) | 0.055 (2) | 0.0006 (16) | 0.0115 (18) | −0.0064 (15) |
| C34 | 0.059 (2) | 0.057 (2) | 0.079 (3) | −0.0010 (18) | 0.009 (2) | −0.021 (2) |
| C35 | 0.071 (3) | 0.050 (2) | 0.108 (3) | −0.015 (2) | 0.034 (3) | −0.027 (2) |
| C36 | 0.093 (3) | 0.042 (2) | 0.097 (3) | −0.002 (2) | 0.034 (3) | 0.009 (2) |
| C37 | 0.069 (2) | 0.0425 (18) | 0.069 (2) | 0.0015 (17) | 0.0165 (19) | 0.0029 (17) |
| C38 | 0.047 (2) | 0.0411 (16) | 0.0456 (19) | 0.0016 (14) | 0.0133 (16) | −0.0030 (15) |
| C39 | 0.055 (2) | 0.0508 (19) | 0.0492 (19) | 0.0109 (15) | 0.0166 (17) | −0.0045 (15) |
| C40 | 0.077 (3) | 0.106 (3) | 0.059 (2) | −0.009 (2) | 0.029 (2) | −0.026 (2) |
| Cl1—C19 | 1.771 (3) | C18—C19 | 1.522 (4) |
| Cl2—C39 | 1.769 (3) | C19—H19A | 0.97 |
| O1—C1 | 1.208 (3) | C19—H19B | 0.97 |
| O2—C18 | 1.221 (4) | C20—H20A | 0.96 |
| O3—C23 | 1.198 (3) | C20—H20B | 0.96 |
| O4—C38 | 1.224 (3) | C20—H20C | 0.96 |
| N1—C18 | 1.360 (4) | C21—C32 | 1.518 (4) |
| N1—C3 | 1.480 (4) | C21—C22 | 1.543 (4) |
| N1—C4 | 1.489 (4) | C21—H21 | 0.98 |
| N2—C38 | 1.368 (3) | C22—C23 | 1.510 (4) |
| N2—C25 | 1.475 (4) | C22—C40 | 1.521 (4) |
| N2—C21 | 1.489 (3) | C22—H22 | 0.98 |
| C1—C2 | 1.491 (5) | C23—C24 | 1.496 (4) |
| C1—C5 | 1.520 (4) | C24—C25 | 1.534 (4) |
| C2—C3 | 1.520 (4) | C24—H24A | 0.97 |
| C2—H2A | 0.97 | C24—H24B | 0.97 |
| C2—H2B | 0.97 | C25—C26 | 1.511 (4) |
| C3—C6 | 1.513 (4) | C25—H25 | 0.98 |
| C3—H3 | 0.98 | C26—C27 | 1.376 (4) |
| C4—C12 | 1.526 (4) | C26—C31 | 1.387 (4) |
| C4—C5 | 1.546 (4) | C27—C28 | 1.379 (5) |
| C4—H4 | 0.98 | C27—H27 | 0.93 |
| C5—C20 | 1.517 (4) | C28—C29 | 1.373 (6) |
| C5—H5 | 0.98 | C28—H28 | 0.93 |
| C6—C11 | 1.375 (4) | C29—C30 | 1.368 (5) |
| C6—C7 | 1.384 (4) | C29—H29 | 0.93 |
| C7—C8 | 1.375 (5) | C30—C31 | 1.373 (5) |
| C7—H7 | 0.93 | C30—H30 | 0.93 |
| C8—C9 | 1.365 (5) | C31—H31 | 0.93 |
| C8—H8 | 0.93 | C32—C37 | 1.385 (4) |
| C9—C10 | 1.371 (5) | C32—C33 | 1.390 (4) |
| C9—H9 | 0.93 | C33—C34 | 1.373 (4) |
| C10—C11 | 1.372 (5) | C33—H33 | 0.93 |
| C10—H10 | 0.93 | C34—C35 | 1.360 (5) |
| C11—H11 | 0.93 | C34—H34 | 0.93 |
| C12—C13 | 1.377 (4) | C35—C36 | 1.370 (5) |
| C12—C17 | 1.386 (4) | C35—H35 | 0.93 |
| C13—C14 | 1.394 (5) | C36—C37 | 1.386 (5) |
| C13—H13 | 0.93 | C36—H36 | 0.93 |
| C14—C15 | 1.369 (5) | C37—H37 | 0.93 |
| C14—H14 | 0.93 | C38—C39 | 1.515 (4) |
| C15—C16 | 1.354 (5) | C39—H39A | 0.97 |
| C15—H15 | 0.93 | C39—H39B | 0.97 |
| C16—C17 | 1.366 (5) | C40—H40A | 0.96 |
| C16—H16 | 0.93 | C40—H40B | 0.96 |
| C17—H17 | 0.93 | C40—H40C | 0.96 |
| C18—N1—C3 | 117.4 (3) | C5—C20—H20C | 109.5 |
| C18—N1—C4 | 122.9 (2) | H20A—C20—H20C | 109.5 |
| C3—N1—C4 | 118.7 (2) | H20B—C20—H20C | 109.5 |
| C38—N2—C25 | 117.2 (2) | N2—C21—C32 | 113.1 (2) |
| C38—N2—C21 | 121.6 (2) | N2—C21—C22 | 111.3 (2) |
| C25—N2—C21 | 119.9 (2) | C32—C21—C22 | 109.9 (2) |
| O1—C1—C2 | 122.1 (3) | N2—C21—H21 | 107.4 |
| O1—C1—C5 | 122.0 (3) | C32—C21—H21 | 107.4 |
| C2—C1—C5 | 116.0 (3) | C22—C21—H21 | 107.4 |
| C1—C2—C3 | 113.0 (3) | C23—C22—C40 | 111.8 (3) |
| C1—C2—H2A | 109.0 | C23—C22—C21 | 111.2 (2) |
| C3—C2—H2A | 109.0 | C40—C22—C21 | 111.4 (3) |
| C1—C2—H2B | 109.0 | C23—C22—H22 | 107.4 |
| C3—C2—H2B | 109.0 | C40—C22—H22 | 107.4 |
| H2A—C2—H2B | 107.8 | C21—C22—H22 | 107.4 |
| N1—C3—C6 | 113.0 (3) | O3—C23—C24 | 121.7 (3) |
| N1—C3—C2 | 107.3 (3) | O3—C23—C22 | 122.3 (3) |
| C6—C3—C2 | 116.3 (3) | C24—C23—C22 | 116.0 (3) |
| N1—C3—H3 | 106.6 | C23—C24—C25 | 114.3 (3) |
| C6—C3—H3 | 106.6 | C23—C24—H24A | 108.7 |
| C2—C3—H3 | 106.6 | C25—C24—H24A | 108.7 |
| N1—C4—C12 | 112.0 (2) | C23—C24—H24B | 108.7 |
| N1—C4—C5 | 111.4 (2) | C25—C24—H24B | 108.7 |
| C12—C4—C5 | 110.3 (2) | H24A—C24—H24B | 107.6 |
| N1—C4—H4 | 107.6 | N2—C25—C26 | 112.6 (2) |
| C12—C4—H4 | 107.6 | N2—C25—C24 | 107.9 (2) |
| C5—C4—H4 | 107.6 | C26—C25—C24 | 117.7 (3) |
| C20—C5—C1 | 112.7 (3) | N2—C25—H25 | 105.9 |
| C20—C5—C4 | 112.1 (3) | C26—C25—H25 | 105.9 |
| C1—C5—C4 | 110.3 (2) | C24—C25—H25 | 105.9 |
| C20—C5—H5 | 107.1 | C27—C26—C31 | 117.4 (3) |
| C1—C5—H5 | 107.1 | C27—C26—C25 | 124.0 (3) |
| C4—C5—H5 | 107.1 | C31—C26—C25 | 118.5 (3) |
| C11—C6—C7 | 117.0 (3) | C26—C27—C28 | 121.1 (3) |
| C11—C6—C3 | 118.8 (3) | C26—C27—H27 | 119.5 |
| C7—C6—C3 | 124.2 (3) | C28—C27—H27 | 119.5 |
| C8—C7—C6 | 121.5 (3) | C29—C28—C27 | 120.5 (4) |
| C8—C7—H7 | 119.2 | C29—C28—H28 | 119.7 |
| C6—C7—H7 | 119.2 | C27—C28—H28 | 119.7 |
| C9—C8—C7 | 119.9 (3) | C30—C29—C28 | 119.3 (4) |
| C9—C8—H8 | 120.0 | C30—C29—H29 | 120.3 |
| C7—C8—H8 | 120.0 | C28—C29—H29 | 120.3 |
| C8—C9—C10 | 119.9 (4) | C29—C30—C31 | 119.9 (4) |
| C8—C9—H9 | 120.0 | C29—C30—H30 | 120.0 |
| C10—C9—H9 | 120.0 | C31—C30—H30 | 120.0 |
| C9—C10—C11 | 119.5 (3) | C30—C31—C26 | 121.8 (3) |
| C9—C10—H10 | 120.2 | C30—C31—H31 | 119.1 |
| C11—C10—H10 | 120.2 | C26—C31—H31 | 119.1 |
| C10—C11—C6 | 122.1 (3) | C37—C32—C33 | 117.3 (3) |
| C10—C11—H11 | 118.9 | C37—C32—C21 | 122.4 (3) |
| C6—C11—H11 | 118.9 | C33—C32—C21 | 120.2 (3) |
| C13—C12—C17 | 118.3 (3) | C34—C33—C32 | 121.6 (3) |
| C13—C12—C4 | 121.4 (3) | C34—C33—H33 | 119.2 |
| C17—C12—C4 | 120.3 (3) | C32—C33—H33 | 119.2 |
| C12—C13—C14 | 119.9 (4) | C35—C34—C33 | 120.4 (4) |
| C12—C13—H13 | 120.0 | C35—C34—H34 | 119.8 |
| C14—C13—H13 | 120.0 | C33—C34—H34 | 119.8 |
| C15—C14—C13 | 120.1 (3) | C34—C35—C36 | 119.5 (3) |
| C15—C14—H14 | 119.9 | C34—C35—H35 | 120.3 |
| C13—C14—H14 | 119.9 | C36—C35—H35 | 120.3 |
| C16—C15—C14 | 120.0 (4) | C35—C36—C37 | 120.6 (4) |
| C16—C15—H15 | 120.0 | C35—C36—H36 | 119.7 |
| C14—C15—H15 | 120.0 | C37—C36—H36 | 119.7 |
| C15—C16—C17 | 120.4 (4) | C32—C37—C36 | 120.6 (4) |
| C15—C16—H16 | 119.8 | C32—C37—H37 | 119.7 |
| C17—C16—H16 | 119.8 | C36—C37—H37 | 119.7 |
| C16—C17—C12 | 121.2 (3) | O4—C38—N2 | 122.5 (3) |
| C16—C17—H17 | 119.4 | O4—C38—C39 | 121.7 (3) |
| C12—C17—H17 | 119.4 | N2—C38—C39 | 115.8 (3) |
| O2—C18—N1 | 123.6 (3) | C38—C39—Cl2 | 111.4 (2) |
| O2—C18—C19 | 121.4 (3) | C38—C39—H39A | 109.3 |
| N1—C18—C19 | 115.1 (3) | Cl2—C39—H39A | 109.3 |
| C18—C19—Cl1 | 112.2 (2) | C38—C39—H39B | 109.3 |
| C18—C19—H19A | 109.2 | Cl2—C39—H39B | 109.3 |
| Cl1—C19—H19A | 109.2 | H39A—C39—H39B | 108.0 |
| C18—C19—H19B | 109.2 | C22—C40—H40A | 109.5 |
| Cl1—C19—H19B | 109.2 | C22—C40—H40B | 109.5 |
| H19A—C19—H19B | 107.9 | H40A—C40—H40B | 109.5 |
| C5—C20—H20A | 109.5 | C22—C40—H40C | 109.5 |
| C5—C20—H20B | 109.5 | H40A—C40—H40C | 109.5 |
| H20A—C20—H20B | 109.5 | H40B—C40—H40C | 109.5 |
| O1—C1—C2—C3 | −166.7 (3) | C38—N2—C21—C32 | 73.0 (3) |
| C5—C1—C2—C3 | 13.7 (4) | C25—N2—C21—C32 | −120.2 (3) |
| C18—N1—C3—C6 | 109.4 (3) | C38—N2—C21—C22 | −162.7 (2) |
| C4—N1—C3—C6 | −81.7 (3) | C25—N2—C21—C22 | 4.1 (3) |
| C18—N1—C3—C2 | −121.1 (3) | N2—C21—C22—C23 | 45.2 (3) |
| C4—N1—C3—C2 | 47.8 (3) | C32—C21—C22—C23 | 171.3 (3) |
| C1—C2—C3—N1 | −57.4 (3) | N2—C21—C22—C40 | 170.7 (3) |
| C1—C2—C3—C6 | 70.2 (4) | C32—C21—C22—C40 | −63.2 (3) |
| C18—N1—C4—C12 | −62.3 (3) | C40—C22—C23—O3 | 7.8 (5) |
| C3—N1—C4—C12 | 129.4 (3) | C21—C22—C23—O3 | 133.1 (3) |
| C18—N1—C4—C5 | 173.6 (3) | C40—C22—C23—C24 | −172.2 (3) |
| C3—N1—C4—C5 | 5.3 (3) | C21—C22—C23—C24 | −46.9 (4) |
| O1—C1—C5—C20 | −13.2 (4) | O3—C23—C24—C25 | 178.8 (3) |
| C2—C1—C5—C20 | 166.4 (3) | C22—C23—C24—C25 | −1.2 (4) |
| O1—C1—C5—C4 | −139.4 (3) | C38—N2—C25—C26 | −111.9 (3) |
| C2—C1—C5—C4 | 40.2 (4) | C21—N2—C25—C26 | 80.7 (3) |
| N1—C4—C5—C20 | −176.3 (3) | C38—N2—C25—C24 | 116.5 (3) |
| C12—C4—C5—C20 | 58.6 (3) | C21—N2—C25—C24 | −50.8 (3) |
| N1—C4—C5—C1 | −49.8 (3) | C23—C24—C25—N2 | 48.3 (3) |
| C12—C4—C5—C1 | −174.9 (2) | C23—C24—C25—C26 | −80.4 (4) |
| N1—C3—C6—C11 | −51.3 (4) | N2—C25—C26—C27 | −124.2 (3) |
| C2—C3—C6—C11 | −176.0 (3) | C24—C25—C26—C27 | 2.3 (4) |
| N1—C3—C6—C7 | 129.2 (3) | N2—C25—C26—C31 | 59.0 (4) |
| C2—C3—C6—C7 | 4.5 (4) | C24—C25—C26—C31 | −174.5 (3) |
| C11—C6—C7—C8 | 1.8 (5) | C31—C26—C27—C28 | −2.2 (5) |
| C3—C6—C7—C8 | −178.7 (3) | C25—C26—C27—C28 | −179.0 (3) |
| C6—C7—C8—C9 | 0.2 (5) | C26—C27—C28—C29 | 0.5 (6) |
| C7—C8—C9—C10 | −1.8 (5) | C27—C28—C29—C30 | 1.1 (7) |
| C8—C9—C10—C11 | 1.4 (6) | C28—C29—C30—C31 | −1.0 (7) |
| C9—C10—C11—C6 | 0.7 (6) | C29—C30—C31—C26 | −0.7 (6) |
| C7—C6—C11—C10 | −2.2 (5) | C27—C26—C31—C30 | 2.3 (5) |
| C3—C6—C11—C10 | 178.3 (3) | C25—C26—C31—C30 | 179.3 (3) |
| N1—C4—C12—C13 | −50.8 (4) | N2—C21—C32—C37 | 53.2 (4) |
| C5—C4—C12—C13 | 74.0 (3) | C22—C21—C32—C37 | −71.8 (4) |
| N1—C4—C12—C17 | 129.3 (3) | N2—C21—C32—C33 | −129.5 (3) |
| C5—C4—C12—C17 | −105.9 (3) | C22—C21—C32—C33 | 105.5 (3) |
| C17—C12—C13—C14 | −1.3 (5) | C37—C32—C33—C34 | −0.3 (4) |
| C4—C12—C13—C14 | 178.8 (3) | C21—C32—C33—C34 | −177.7 (3) |
| C12—C13—C14—C15 | 0.3 (5) | C32—C33—C34—C35 | −0.2 (5) |
| C13—C14—C15—C16 | 0.3 (5) | C33—C34—C35—C36 | 0.3 (5) |
| C14—C15—C16—C17 | 0.1 (5) | C34—C35—C36—C37 | 0.1 (6) |
| C15—C16—C17—C12 | −1.1 (5) | C33—C32—C37—C36 | 0.7 (5) |
| C13—C12—C17—C16 | 1.8 (4) | C21—C32—C37—C36 | 178.0 (3) |
| C4—C12—C17—C16 | −178.3 (3) | C35—C36—C37—C32 | −0.6 (6) |
| C3—N1—C18—O2 | −14.2 (4) | C25—N2—C38—O4 | 12.3 (4) |
| C4—N1—C18—O2 | 177.4 (3) | C21—N2—C38—O4 | 179.5 (3) |
| C3—N1—C18—C19 | 164.4 (3) | C25—N2—C38—C39 | −166.5 (2) |
| C4—N1—C18—C19 | −4.0 (4) | C21—N2—C38—C39 | 0.6 (4) |
| O2—C18—C19—Cl1 | 4.6 (4) | O4—C38—C39—Cl2 | 4.0 (4) |
| N1—C18—C19—Cl1 | −174.0 (2) | N2—C38—C39—Cl2 | −177.1 (2) |
The authors thank the Department of Science and Technology, India, for use of the diffraction facility set up under the IRHPA–DST programme at IISc. FNK thanks the DST for Fast Track Proposal funding. The authors also thank VIT University and the University of Malaya for supporting this study.
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