Literature DB >> 22719628

Ethyl 1-phenyl-2-[4-(trifluoro-meth-yl)phen-yl]-1H-benzimidazole-5-carboxyl-ate.

Yeong Keng Yoon, Mohamed Ashraf Ali, Tan Soo Choon, Suhana Arshad, Ibrahim Abdul Razak.   

Abstract

The asymmetric unit of the title compound, C(23)H(17)F(3)N(2)O(2), contains two mol-ecules. In one of the mol-ecules, the phenyl and triflouromethyl-substituted benzene rings form dihedral angles of 52.05 (8) and 33.70 (8)°, respectively, with the benzimidazole ring system, while the dihedral angle between them is 58.24 (10)°. The corresponding values in the other mol-ecule are 58.40 (8), 25.90 (8) and 60.83 (10)°, respectively. In the crystal, mol-ecules are linked into chains along [100] by C-H⋯O and C-H⋯N hydrogen bonds. Aromatic π-π stacking inter-actions [centroid-centroid distance = 3.6700 (12) Å] also occur.

Entities:  

Year:  2012        PMID: 22719628      PMCID: PMC3379430          DOI: 10.1107/S1600536812022210

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For background to benzimidazole derivatives as drugs, see: Spasov et al. (1999 ▶); Grassmann et al. (2002 ▶); Demirayak et al. (2002 ▶); Evans et al. (1997 ▶). For related structures, see: Yoon et al. (2011 ▶); Kassim et al. (2012 ▶). For stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986 ▶).

Experimental

Crystal data

C23H17F3N2O2 M = 410.39 Monoclinic, a = 9.8548 (2) Å b = 25.0714 (6) Å c = 16.0566 (4) Å β = 107.023 (1)° V = 3793.35 (15) Å3 Z = 8 Mo Kα radiation μ = 0.11 mm−1 T = 100 K 0.43 × 0.37 × 0.28 mm

Data collection

Bruker SMART APEXII CCD diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2009 ▶) T min = 0.953, T max = 0.969 36855 measured reflections 10921 independent reflections 5999 reflections with I > 2σ(I) R int = 0.052

Refinement

R[F 2 > 2σ(F 2)] = 0.062 wR(F 2) = 0.142 S = 1.03 10921 reflections 543 parameters H-atom parameters constrained Δρmax = 0.30 e Å−3 Δρmin = −0.35 e Å−3 Data collection: APEX2 (Bruker, 2009 ▶); cell refinement: SAINT (Bruker, 2009 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009 ▶). Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S1600536812022210/hb6782sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536812022210/hb6782Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536812022210/hb6782Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C23H17F3N2O2F(000) = 1696
Mr = 410.39Dx = 1.437 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 7502 reflections
a = 9.8548 (2) Åθ = 2.2–29.0°
b = 25.0714 (6) ŵ = 0.11 mm1
c = 16.0566 (4) ÅT = 100 K
β = 107.023 (1)°Block, colourless
V = 3793.35 (15) Å30.43 × 0.37 × 0.28 mm
Z = 8
Bruker SMART APEXII CCD diffractometer10921 independent reflections
Radiation source: fine-focus sealed tube5999 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.052
φ and ω scansθmax = 30.0°, θmin = 2.1°
Absorption correction: multi-scan (SADABS; Bruker, 2009)h = −13→8
Tmin = 0.953, Tmax = 0.969k = −35→28
36855 measured reflectionsl = −17→22
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.062Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.142H-atom parameters constrained
S = 1.03w = 1/[σ2(Fo2) + (0.0497P)2 + 1.1602P] where P = (Fo2 + 2Fc2)/3
10921 reflections(Δ/σ)max = 0.001
543 parametersΔρmax = 0.30 e Å3
0 restraintsΔρmin = −0.35 e Å3
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1) K.
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.
xyzUiso*/Ueq
F1A0.76297 (13)1.01889 (5)0.89337 (9)0.0404 (4)
F2A0.55907 (13)1.00949 (5)0.79924 (8)0.0359 (3)
F3A0.57601 (14)1.01271 (5)0.93564 (9)0.0386 (3)
O1A1.05923 (15)0.55832 (5)0.88980 (10)0.0290 (4)
O2A0.89188 (16)0.50085 (6)0.90308 (10)0.0341 (4)
N1A0.82356 (17)0.74226 (6)0.88432 (11)0.0218 (4)
N2A0.59828 (16)0.72851 (6)0.88711 (11)0.0206 (4)
C1A0.6608 (2)0.67850 (8)0.89085 (13)0.0212 (4)
C2A0.6093 (2)0.62721 (8)0.89629 (13)0.0238 (5)
H2AA0.51480.62120.89760.029*
C3A0.7023 (2)0.58550 (8)0.89961 (13)0.0250 (5)
H3AA0.67110.55000.90410.030*
C4A0.8416 (2)0.59399 (8)0.89653 (14)0.0242 (5)
C5A0.8915 (2)0.64522 (8)0.89047 (13)0.0227 (5)
H5AA0.98560.65100.88820.027*
C6A0.7995 (2)0.68802 (8)0.88787 (13)0.0212 (4)
C7A0.7031 (2)0.76499 (8)0.88416 (13)0.0211 (4)
C8A0.6837 (2)0.82335 (8)0.88447 (13)0.0195 (4)
C9A0.7566 (2)0.85508 (8)0.84015 (14)0.0229 (5)
H9AA0.81670.83890.81070.028*
C10A0.7417 (2)0.91004 (8)0.83904 (14)0.0239 (5)
H10A0.79000.93140.80790.029*
C11A0.6559 (2)0.93399 (8)0.88337 (14)0.0218 (4)
C12A0.5862 (2)0.90302 (8)0.92964 (13)0.0240 (5)
H12A0.52960.91950.96120.029*
C13A0.5996 (2)0.84796 (8)0.92967 (13)0.0220 (5)
H13A0.55090.82680.96080.026*
C14A0.4494 (2)0.73733 (8)0.87188 (13)0.0198 (4)
C15A0.3736 (2)0.76759 (8)0.80114 (13)0.0226 (5)
H15A0.42030.78300.76300.027*
C16A0.2291 (2)0.77507 (8)0.78670 (14)0.0250 (5)
H16A0.17700.79610.73870.030*
C17A0.1603 (2)0.75224 (8)0.84142 (15)0.0265 (5)
H17A0.06130.75750.83120.032*
C18A0.2361 (2)0.72168 (8)0.91109 (14)0.0256 (5)
H18A0.18860.70550.94820.031*
C19A0.3810 (2)0.71448 (8)0.92729 (14)0.0234 (5)
H19A0.43300.69400.97600.028*
C20A0.9312 (2)0.54611 (8)0.89753 (14)0.0260 (5)
C21A1.1536 (2)0.51374 (8)0.89029 (16)0.0330 (6)
H21A1.11260.49030.83960.040*
H21B1.16790.49250.94410.040*
C22A1.2901 (3)0.53614 (10)0.8861 (2)0.0666 (10)
H22A1.35720.50710.88750.100*
H22B1.32870.55980.93600.100*
H22C1.27490.55640.83190.100*
C23A0.6388 (2)0.99321 (8)0.87871 (15)0.0263 (5)
F1B0.26113 (14)−0.10576 (5)0.84724 (12)0.0597 (5)
F2B0.09026 (16)−0.10489 (5)0.90442 (10)0.0471 (4)
F3B0.04605 (15)−0.09778 (5)0.76703 (9)0.0454 (4)
O1B0.53146 (16)0.35301 (6)0.86297 (12)0.0435 (5)
O2B0.36752 (18)0.41052 (6)0.87921 (12)0.0436 (4)
N1B0.29935 (17)0.16935 (6)0.85506 (11)0.0221 (4)
N2B0.08626 (16)0.18163 (6)0.87819 (11)0.0199 (4)
C1B0.1461 (2)0.23184 (8)0.88029 (13)0.0200 (4)
C2B0.0975 (2)0.28262 (8)0.89265 (13)0.0232 (5)
H2BA0.00800.28780.90260.028*
C3B0.1855 (2)0.32487 (8)0.88979 (13)0.0248 (5)
H3BA0.15620.36000.89820.030*
C4B0.3183 (2)0.31702 (8)0.87455 (13)0.0233 (5)
C5B0.3658 (2)0.26639 (8)0.86268 (13)0.0228 (5)
H5BA0.45560.26120.85320.027*
C6B0.2778 (2)0.22339 (8)0.86507 (13)0.0213 (4)
C7B0.1845 (2)0.14569 (8)0.86316 (13)0.0200 (4)
C8B0.1679 (2)0.08739 (8)0.86005 (13)0.0200 (4)
C9B0.2440 (2)0.05866 (8)0.81417 (14)0.0239 (5)
H9BA0.30290.07710.78620.029*
C10B0.2346 (2)0.00394 (8)0.80904 (14)0.0265 (5)
H10B0.2856−0.01520.77680.032*
C11B0.1506 (2)−0.02321 (8)0.85099 (14)0.0245 (5)
C12B0.0767 (2)0.00470 (8)0.89859 (14)0.0242 (5)
H12B0.0205−0.01390.92810.029*
C13B0.0855 (2)0.05993 (8)0.90287 (14)0.0228 (5)
H13B0.03480.07910.93530.027*
C14B−0.0593 (2)0.17171 (7)0.87440 (13)0.0199 (4)
C15B−0.1489 (2)0.14730 (8)0.80140 (14)0.0226 (5)
H15B−0.11460.13680.75440.027*
C16B−0.2889 (2)0.13850 (8)0.79805 (15)0.0257 (5)
H16B−0.35060.12130.74870.031*
C17B−0.3405 (2)0.15442 (8)0.86555 (15)0.0281 (5)
H17B−0.43700.14840.86260.034*
C18B−0.2501 (2)0.17911 (8)0.93713 (16)0.0303 (5)
H18B−0.28520.19040.98340.036*
C19B−0.1085 (2)0.18781 (8)0.94274 (14)0.0258 (5)
H19B−0.04660.20450.99260.031*
C20B0.4053 (2)0.36554 (9)0.87282 (14)0.0284 (5)
C21B0.6254 (3)0.39661 (10)0.8563 (2)0.0538 (8)
H21C0.60170.42910.88420.065*
H21D0.61460.40470.79430.065*
C22B0.7715 (3)0.37996 (10)0.90028 (18)0.0447 (7)
H22D0.83780.40620.88910.067*
H22E0.78920.34510.87810.067*
H22F0.78510.37750.96310.067*
C23B0.1376 (2)−0.08240 (9)0.84303 (16)0.0308 (5)
U11U22U33U12U13U23
F1A0.0245 (7)0.0212 (7)0.0727 (11)−0.0050 (5)0.0097 (7)−0.0006 (7)
F2A0.0357 (8)0.0293 (7)0.0399 (8)0.0048 (6)0.0065 (6)0.0090 (6)
F3A0.0476 (9)0.0257 (7)0.0482 (9)0.0051 (6)0.0230 (7)−0.0037 (6)
O1A0.0285 (8)0.0202 (7)0.0400 (10)0.0043 (6)0.0125 (7)0.0010 (7)
O2A0.0340 (9)0.0221 (8)0.0438 (10)−0.0001 (7)0.0073 (8)0.0012 (7)
N1A0.0199 (9)0.0203 (9)0.0249 (10)−0.0020 (7)0.0059 (7)−0.0009 (7)
N2A0.0154 (8)0.0194 (9)0.0263 (10)−0.0015 (7)0.0051 (7)0.0011 (7)
C1A0.0211 (11)0.0207 (10)0.0200 (11)−0.0026 (8)0.0031 (8)−0.0006 (9)
C2A0.0190 (11)0.0244 (11)0.0263 (12)−0.0040 (8)0.0039 (9)0.0015 (9)
C3A0.0252 (11)0.0204 (11)0.0257 (12)−0.0052 (9)0.0015 (9)0.0021 (9)
C4A0.0230 (11)0.0225 (11)0.0245 (12)0.0001 (9)0.0030 (9)0.0002 (9)
C5A0.0210 (11)0.0215 (11)0.0246 (12)−0.0020 (9)0.0049 (9)−0.0005 (9)
C6A0.0198 (10)0.0210 (10)0.0213 (12)−0.0036 (8)0.0038 (8)−0.0025 (9)
C7A0.0175 (10)0.0246 (11)0.0203 (11)−0.0035 (8)0.0043 (8)0.0001 (9)
C8A0.0154 (10)0.0219 (10)0.0202 (11)−0.0007 (8)0.0036 (8)−0.0023 (9)
C9A0.0185 (10)0.0257 (11)0.0252 (12)−0.0004 (8)0.0075 (9)−0.0009 (9)
C10A0.0229 (11)0.0223 (11)0.0271 (12)−0.0040 (9)0.0082 (9)0.0018 (9)
C11A0.0185 (10)0.0188 (10)0.0254 (12)−0.0016 (8)0.0020 (9)−0.0010 (9)
C12A0.0199 (11)0.0268 (11)0.0249 (12)−0.0002 (9)0.0062 (9)−0.0046 (9)
C13A0.0193 (11)0.0233 (11)0.0233 (12)−0.0042 (8)0.0058 (9)0.0005 (9)
C14A0.0158 (10)0.0197 (10)0.0227 (11)−0.0023 (8)0.0039 (8)−0.0036 (9)
C15A0.0244 (11)0.0205 (10)0.0227 (12)−0.0020 (8)0.0064 (9)−0.0021 (9)
C16A0.0224 (11)0.0200 (10)0.0293 (12)0.0022 (8)0.0023 (9)−0.0029 (9)
C17A0.0193 (11)0.0247 (11)0.0359 (14)−0.0019 (9)0.0084 (10)−0.0101 (10)
C18A0.0234 (11)0.0249 (11)0.0308 (13)−0.0076 (9)0.0116 (10)−0.0051 (10)
C19A0.0226 (11)0.0232 (11)0.0231 (12)−0.0051 (9)0.0050 (9)−0.0021 (9)
C20A0.0252 (12)0.0230 (12)0.0268 (13)−0.0010 (9)0.0027 (9)0.0011 (9)
C21A0.0357 (13)0.0208 (11)0.0447 (15)0.0066 (10)0.0154 (11)0.0002 (10)
C22A0.061 (2)0.0321 (15)0.128 (3)0.0102 (13)0.062 (2)0.0098 (17)
C23A0.0204 (11)0.0253 (11)0.0330 (14)0.0005 (9)0.0072 (10)−0.0014 (10)
F1B0.0283 (8)0.0248 (7)0.1254 (15)0.0052 (6)0.0214 (9)−0.0106 (8)
F2B0.0639 (10)0.0245 (7)0.0554 (10)−0.0010 (7)0.0214 (8)0.0070 (7)
F3B0.0501 (9)0.0302 (7)0.0482 (9)−0.0089 (6)0.0025 (7)−0.0122 (7)
O1B0.0266 (9)0.0250 (8)0.0791 (14)−0.0038 (7)0.0159 (9)0.0166 (9)
O2B0.0593 (12)0.0212 (9)0.0592 (12)−0.0064 (8)0.0310 (10)−0.0041 (8)
N1B0.0210 (9)0.0203 (9)0.0251 (10)0.0012 (7)0.0070 (8)0.0017 (7)
N2B0.0164 (8)0.0196 (9)0.0235 (10)0.0008 (7)0.0056 (7)−0.0013 (7)
C1B0.0182 (10)0.0203 (10)0.0197 (11)0.0001 (8)0.0030 (8)−0.0003 (9)
C2B0.0202 (11)0.0244 (11)0.0226 (12)0.0016 (9)0.0027 (9)−0.0007 (9)
C3B0.0293 (12)0.0185 (10)0.0231 (12)0.0021 (9)0.0021 (9)−0.0009 (9)
C4B0.0256 (11)0.0220 (11)0.0195 (11)−0.0035 (9)0.0023 (9)0.0016 (9)
C5B0.0209 (11)0.0240 (11)0.0233 (12)−0.0008 (9)0.0062 (9)0.0040 (9)
C6B0.0210 (11)0.0219 (11)0.0205 (11)0.0024 (8)0.0052 (9)0.0011 (9)
C7B0.0168 (10)0.0233 (11)0.0198 (11)0.0019 (8)0.0053 (8)0.0004 (9)
C8B0.0160 (10)0.0208 (10)0.0213 (11)0.0011 (8)0.0025 (8)−0.0009 (9)
C9B0.0204 (11)0.0254 (11)0.0270 (12)−0.0006 (9)0.0085 (9)−0.0021 (9)
C10B0.0212 (11)0.0276 (12)0.0320 (13)0.0026 (9)0.0099 (10)−0.0052 (10)
C11B0.0176 (10)0.0215 (11)0.0299 (13)0.0009 (8)0.0000 (9)−0.0009 (9)
C12B0.0197 (11)0.0225 (11)0.0310 (13)0.0007 (9)0.0081 (9)0.0031 (10)
C13B0.0203 (11)0.0218 (11)0.0275 (12)0.0019 (8)0.0089 (9)−0.0011 (9)
C14B0.0148 (10)0.0168 (10)0.0277 (12)0.0003 (8)0.0056 (9)0.0011 (9)
C15B0.0230 (11)0.0200 (10)0.0239 (12)0.0010 (8)0.0053 (9)0.0012 (9)
C16B0.0191 (11)0.0203 (11)0.0330 (13)0.0006 (8)0.0004 (9)0.0001 (9)
C17B0.0167 (10)0.0218 (11)0.0458 (15)0.0005 (9)0.0090 (10)−0.0009 (10)
C18B0.0268 (12)0.0275 (12)0.0415 (15)0.0017 (9)0.0176 (11)−0.0053 (11)
C19B0.0208 (11)0.0271 (11)0.0299 (13)−0.0008 (9)0.0081 (9)−0.0055 (10)
C20B0.0344 (13)0.0253 (12)0.0227 (12)−0.0038 (10)0.0040 (10)0.0037 (10)
C21B0.0387 (16)0.0342 (14)0.086 (2)−0.0119 (12)0.0140 (15)0.0244 (15)
C22B0.0409 (16)0.0299 (13)0.0648 (19)−0.0133 (11)0.0179 (14)−0.0055 (13)
C23B0.0233 (12)0.0237 (11)0.0446 (16)−0.0015 (9)0.0090 (11)−0.0025 (11)
F1A—C23A1.341 (2)F1B—C23B1.335 (2)
F2A—C23A1.351 (2)F2B—C23B1.333 (3)
F3A—C23A1.337 (2)F3B—C23B1.344 (3)
O1A—C20A1.339 (2)O1B—C20B1.336 (3)
O1A—C21A1.453 (2)O1B—C21B1.457 (3)
O2A—C20A1.211 (2)O2B—C20B1.201 (3)
N1A—C7A1.316 (2)N1B—C7B1.317 (2)
N1A—C6A1.385 (2)N1B—C6B1.388 (2)
N2A—C1A1.390 (2)N2B—C1B1.386 (2)
N2A—C7A1.391 (2)N2B—C7B1.394 (2)
N2A—C14A1.432 (2)N2B—C14B1.440 (2)
C1A—C2A1.394 (3)C1B—C2B1.395 (3)
C1A—C6A1.402 (3)C1B—C6B1.405 (3)
C2A—C3A1.381 (3)C2B—C3B1.378 (3)
C2A—H2AA0.9500C2B—H2BA0.9500
C3A—C4A1.404 (3)C3B—C4B1.414 (3)
C3A—H3AA0.9500C3B—H3BA0.9500
C4A—C5A1.389 (3)C4B—C5B1.385 (3)
C4A—C20A1.488 (3)C4B—C20B1.493 (3)
C5A—C6A1.397 (3)C5B—C6B1.392 (3)
C5A—H5AA0.9500C5B—H5BA0.9500
C7A—C8A1.476 (3)C7B—C8B1.470 (3)
C8A—C13A1.395 (3)C8B—C13B1.390 (3)
C8A—C9A1.399 (3)C8B—C9B1.396 (3)
C9A—C10A1.385 (3)C9B—C10B1.376 (3)
C9A—H9AA0.9500C9B—H9BA0.9500
C10A—C11A1.390 (3)C10B—C11B1.389 (3)
C10A—H10A0.9500C10B—H10B0.9500
C11A—C12A1.388 (3)C11B—C12B1.389 (3)
C11A—C23A1.494 (3)C11B—C23B1.492 (3)
C12A—C13A1.387 (3)C12B—C13B1.388 (3)
C12A—H12A0.9500C12B—H12B0.9500
C13A—H13A0.9500C13B—H13B0.9500
C14A—C19A1.388 (3)C14B—C19B1.383 (3)
C14A—C15A1.388 (3)C14B—C15B1.386 (3)
C15A—C16A1.387 (3)C15B—C16B1.382 (3)
C15A—H15A0.9500C15B—H15B0.9500
C16A—C17A1.381 (3)C16B—C17B1.384 (3)
C16A—H16A0.9500C16B—H16B0.9500
C17A—C18A1.381 (3)C17B—C18B1.378 (3)
C17A—H17A0.9500C17B—H17B0.9500
C18A—C19A1.386 (3)C18B—C19B1.388 (3)
C18A—H18A0.9500C18B—H18B0.9500
C19A—H19A0.9500C19B—H19B0.9500
C21A—C22A1.477 (3)C21B—C22B1.466 (4)
C21A—H21A0.9900C21B—H21C0.9900
C21A—H21B0.9900C21B—H21D0.9900
C22A—H22A0.9800C22B—H22D0.9800
C22A—H22B0.9800C22B—H22E0.9800
C22A—H22C0.9800C22B—H22F0.9800
C20A—O1A—C21A116.27 (16)C20B—O1B—C21B117.78 (18)
C7A—N1A—C6A105.06 (16)C7B—N1B—C6B105.23 (16)
C1A—N2A—C7A105.71 (15)C1B—N2B—C7B106.20 (15)
C1A—N2A—C14A124.42 (16)C1B—N2B—C14B124.70 (16)
C7A—N2A—C14A128.78 (16)C7B—N2B—C14B127.95 (16)
N2A—C1A—C2A132.04 (18)N2B—C1B—C2B132.15 (18)
N2A—C1A—C6A105.60 (16)N2B—C1B—C6B105.46 (16)
C2A—C1A—C6A122.36 (18)C2B—C1B—C6B122.38 (18)
C3A—C2A—C1A116.82 (19)C3B—C2B—C1B116.82 (19)
C3A—C2A—H2AA121.6C3B—C2B—H2BA121.6
C1A—C2A—H2AA121.6C1B—C2B—H2BA121.6
C2A—C3A—C4A121.89 (19)C2B—C3B—C4B121.48 (19)
C2A—C3A—H3AA119.1C2B—C3B—H3BA119.3
C4A—C3A—H3AA119.1C4B—C3B—H3BA119.3
C5A—C4A—C3A120.80 (19)C5B—C4B—C3B121.23 (18)
C5A—C4A—C20A121.74 (19)C5B—C4B—C20B121.66 (19)
C3A—C4A—C20A117.43 (18)C3B—C4B—C20B117.10 (19)
C4A—C5A—C6A118.21 (19)C4B—C5B—C6B117.87 (19)
C4A—C5A—H5AA120.9C4B—C5B—H5BA121.1
C6A—C5A—H5AA120.9C6B—C5B—H5BA121.1
N1A—C6A—C5A129.64 (18)N1B—C6B—C5B129.42 (18)
N1A—C6A—C1A110.44 (17)N1B—C6B—C1B110.38 (17)
C5A—C6A—C1A119.91 (18)C5B—C6B—C1B120.20 (18)
N1A—C7A—N2A113.17 (17)N1B—C7B—N2B112.72 (17)
N1A—C7A—C8A123.14 (17)N1B—C7B—C8B122.31 (17)
N2A—C7A—C8A123.64 (17)N2B—C7B—C8B124.91 (17)
C13A—C8A—C9A119.04 (18)C13B—C8B—C9B119.18 (18)
C13A—C8A—C7A122.50 (18)C13B—C8B—C7B123.42 (18)
C9A—C8A—C7A118.43 (17)C9B—C8B—C7B117.35 (18)
C10A—C9A—C8A120.25 (19)C10B—C9B—C8B120.60 (19)
C10A—C9A—H9AA119.9C10B—C9B—H9BA119.7
C8A—C9A—H9AA119.9C8B—C9B—H9BA119.7
C9A—C10A—C11A120.08 (19)C9B—C10B—C11B119.93 (19)
C9A—C10A—H10A120.0C9B—C10B—H10B120.0
C11A—C10A—H10A120.0C11B—C10B—H10B120.0
C12A—C11A—C10A120.19 (18)C10B—C11B—C12B120.19 (19)
C12A—C11A—C23A121.10 (19)C10B—C11B—C23B119.67 (19)
C10A—C11A—C23A118.71 (18)C12B—C11B—C23B120.13 (19)
C13A—C12A—C11A119.70 (19)C13B—C12B—C11B119.65 (19)
C13A—C12A—H12A120.2C13B—C12B—H12B120.2
C11A—C12A—H12A120.2C11B—C12B—H12B120.2
C12A—C13A—C8A120.71 (19)C12B—C13B—C8B120.42 (19)
C12A—C13A—H13A119.6C12B—C13B—H13B119.8
C8A—C13A—H13A119.6C8B—C13B—H13B119.8
C19A—C14A—C15A120.24 (18)C19B—C14B—C15B121.01 (19)
C19A—C14A—N2A119.52 (18)C19B—C14B—N2B119.50 (18)
C15A—C14A—N2A120.22 (18)C15B—C14B—N2B119.47 (18)
C16A—C15A—C14A119.41 (19)C16B—C15B—C14B119.0 (2)
C16A—C15A—H15A120.3C16B—C15B—H15B120.5
C14A—C15A—H15A120.3C14B—C15B—H15B120.5
C17A—C16A—C15A120.6 (2)C15B—C16B—C17B121.0 (2)
C17A—C16A—H16A119.7C15B—C16B—H16B119.5
C15A—C16A—H16A119.7C17B—C16B—H16B119.5
C18A—C17A—C16A119.7 (2)C18B—C17B—C16B119.1 (2)
C18A—C17A—H17A120.2C18B—C17B—H17B120.4
C16A—C17A—H17A120.2C16B—C17B—H17B120.4
C17A—C18A—C19A120.5 (2)C17B—C18B—C19B121.1 (2)
C17A—C18A—H18A119.7C17B—C18B—H18B119.4
C19A—C18A—H18A119.7C19B—C18B—H18B119.4
C18A—C19A—C14A119.6 (2)C14B—C19B—C18B118.8 (2)
C18A—C19A—H19A120.2C14B—C19B—H19B120.6
C14A—C19A—H19A120.2C18B—C19B—H19B120.6
O2A—C20A—O1A123.51 (19)O2B—C20B—O1B123.6 (2)
O2A—C20A—C4A123.71 (19)O2B—C20B—C4B124.7 (2)
O1A—C20A—C4A112.77 (17)O1B—C20B—C4B111.72 (18)
O1A—C21A—C22A107.29 (18)O1B—C21B—C22B107.8 (2)
O1A—C21A—H21A110.3O1B—C21B—H21C110.1
C22A—C21A—H21A110.3C22B—C21B—H21C110.1
O1A—C21A—H21B110.3O1B—C21B—H21D110.1
C22A—C21A—H21B110.3C22B—C21B—H21D110.1
H21A—C21A—H21B108.5H21C—C21B—H21D108.5
C21A—C22A—H22A109.5C21B—C22B—H22D109.5
C21A—C22A—H22B109.5C21B—C22B—H22E109.5
H22A—C22A—H22B109.5H22D—C22B—H22E109.5
C21A—C22A—H22C109.5C21B—C22B—H22F109.5
H22A—C22A—H22C109.5H22D—C22B—H22F109.5
H22B—C22A—H22C109.5H22E—C22B—H22F109.5
F3A—C23A—F1A106.59 (17)F2B—C23B—F1B106.76 (19)
F3A—C23A—F2A106.13 (16)F2B—C23B—F3B105.26 (17)
F1A—C23A—F2A105.61 (17)F1B—C23B—F3B106.24 (18)
F3A—C23A—C11A113.40 (18)F2B—C23B—C11B113.44 (19)
F1A—C23A—C11A112.59 (17)F1B—C23B—C11B112.17 (17)
F2A—C23A—C11A111.94 (17)F3B—C23B—C11B112.42 (18)
C7A—N2A—C1A—C2A178.8 (2)C7B—N2B—C1B—C2B179.8 (2)
C14A—N2A—C1A—C2A−12.3 (3)C14B—N2B—C1B—C2B11.3 (3)
C7A—N2A—C1A—C6A−1.3 (2)C7B—N2B—C1B—C6B0.8 (2)
C14A—N2A—C1A—C6A167.61 (18)C14B—N2B—C1B—C6B−167.79 (18)
N2A—C1A—C2A—C3A−179.5 (2)N2B—C1B—C2B—C3B−179.3 (2)
C6A—C1A—C2A—C3A0.7 (3)C6B—C1B—C2B—C3B−0.3 (3)
C1A—C2A—C3A—C4A−0.8 (3)C1B—C2B—C3B—C4B0.3 (3)
C2A—C3A—C4A—C5A0.4 (3)C2B—C3B—C4B—C5B−0.6 (3)
C2A—C3A—C4A—C20A−177.97 (19)C2B—C3B—C4B—C20B−179.96 (19)
C3A—C4A—C5A—C6A0.2 (3)C3B—C4B—C5B—C6B0.8 (3)
C20A—C4A—C5A—C6A178.52 (19)C20B—C4B—C5B—C6B−179.85 (19)
C7A—N1A—C6A—C5A−179.2 (2)C7B—N1B—C6B—C5B179.8 (2)
C7A—N1A—C6A—C1A−0.7 (2)C7B—N1B—C6B—C1B0.5 (2)
C4A—C5A—C6A—N1A178.1 (2)C4B—C5B—C6B—N1B179.9 (2)
C4A—C5A—C6A—C1A−0.4 (3)C4B—C5B—C6B—C1B−0.8 (3)
N2A—C1A—C6A—N1A1.3 (2)N2B—C1B—C6B—N1B−0.8 (2)
C2A—C1A—C6A—N1A−178.83 (18)C2B—C1B—C6B—N1B−179.96 (18)
N2A—C1A—C6A—C5A−179.99 (18)N2B—C1B—C6B—C5B179.78 (18)
C2A—C1A—C6A—C5A−0.1 (3)C2B—C1B—C6B—C5B0.6 (3)
C6A—N1A—C7A—N2A−0.2 (2)C6B—N1B—C7B—N2B0.0 (2)
C6A—N1A—C7A—C8A177.40 (18)C6B—N1B—C7B—C8B−177.55 (18)
C1A—N2A—C7A—N1A1.0 (2)C1B—N2B—C7B—N1B−0.5 (2)
C14A—N2A—C7A—N1A−167.28 (18)C14B—N2B—C7B—N1B167.55 (18)
C1A—N2A—C7A—C8A−176.60 (18)C1B—N2B—C7B—C8B176.97 (18)
C14A—N2A—C7A—C8A15.1 (3)C14B—N2B—C7B—C8B−15.0 (3)
N1A—C7A—C8A—C13A−143.8 (2)N1B—C7B—C8B—C13B151.6 (2)
N2A—C7A—C8A—C13A33.6 (3)N2B—C7B—C8B—C13B−25.7 (3)
N1A—C7A—C8A—C9A34.0 (3)N1B—C7B—C8B—C9B−25.9 (3)
N2A—C7A—C8A—C9A−148.65 (19)N2B—C7B—C8B—C9B156.83 (19)
C13A—C8A—C9A—C10A−2.0 (3)C13B—C8B—C9B—C10B1.9 (3)
C7A—C8A—C9A—C10A−179.83 (18)C7B—C8B—C9B—C10B179.48 (19)
C8A—C9A—C10A—C11A1.2 (3)C8B—C9B—C10B—C11B−1.1 (3)
C9A—C10A—C11A—C12A0.7 (3)C9B—C10B—C11B—C12B−0.4 (3)
C9A—C10A—C11A—C23A−178.25 (19)C9B—C10B—C11B—C23B178.2 (2)
C10A—C11A—C12A—C13A−1.6 (3)C10B—C11B—C12B—C13B1.0 (3)
C23A—C11A—C12A—C13A177.27 (19)C23B—C11B—C12B—C13B−177.6 (2)
C11A—C12A—C13A—C8A0.7 (3)C11B—C12B—C13B—C8B−0.2 (3)
C9A—C8A—C13A—C12A1.1 (3)C9B—C8B—C13B—C12B−1.3 (3)
C7A—C8A—C13A—C12A178.79 (18)C7B—C8B—C13B—C12B−178.71 (19)
C1A—N2A—C14A—C19A57.5 (3)C1B—N2B—C14B—C19B−63.5 (3)
C7A—N2A—C14A—C19A−136.2 (2)C7B—N2B—C14B—C19B130.5 (2)
C1A—N2A—C14A—C15A−121.2 (2)C1B—N2B—C14B—C15B115.0 (2)
C7A—N2A—C14A—C15A45.1 (3)C7B—N2B—C14B—C15B−51.0 (3)
C19A—C14A—C15A—C16A0.4 (3)C19B—C14B—C15B—C16B−0.8 (3)
N2A—C14A—C15A—C16A179.07 (17)N2B—C14B—C15B—C16B−179.30 (17)
C14A—C15A—C16A—C17A−0.7 (3)C14B—C15B—C16B—C17B1.0 (3)
C15A—C16A—C17A—C18A0.0 (3)C15B—C16B—C17B—C18B−0.4 (3)
C16A—C17A—C18A—C19A1.1 (3)C16B—C17B—C18B—C19B−0.5 (3)
C17A—C18A—C19A—C14A−1.3 (3)C15B—C14B—C19B—C18B0.0 (3)
C15A—C14A—C19A—C18A0.6 (3)N2B—C14B—C19B—C18B178.46 (18)
N2A—C14A—C19A—C18A−178.09 (17)C17B—C18B—C19B—C14B0.7 (3)
C21A—O1A—C20A—O2A−1.4 (3)C21B—O1B—C20B—O2B−2.5 (3)
C21A—O1A—C20A—C4A179.94 (18)C21B—O1B—C20B—C4B177.3 (2)
C5A—C4A—C20A—O2A179.7 (2)C5B—C4B—C20B—O2B176.9 (2)
C3A—C4A—C20A—O2A−2.0 (3)C3B—C4B—C20B—O2B−3.8 (3)
C5A—C4A—C20A—O1A−1.6 (3)C5B—C4B—C20B—O1B−2.9 (3)
C3A—C4A—C20A—O1A176.72 (18)C3B—C4B—C20B—O1B176.40 (18)
C20A—O1A—C21A—C22A−176.9 (2)C20B—O1B—C21B—C22B144.2 (2)
C12A—C11A—C23A—F3A12.5 (3)C10B—C11B—C23B—F2B161.60 (19)
C10A—C11A—C23A—F3A−168.60 (18)C12B—C11B—C23B—F2B−19.8 (3)
C12A—C11A—C23A—F1A133.6 (2)C10B—C11B—C23B—F1B40.5 (3)
C10A—C11A—C23A—F1A−47.5 (3)C12B—C11B—C23B—F1B−140.8 (2)
C12A—C11A—C23A—F2A−107.6 (2)C10B—C11B—C23B—F3B−79.1 (2)
C10A—C11A—C23A—F2A71.4 (2)C12B—C11B—C23B—F3B99.5 (2)
D—H···AD—HH···AD···AD—H···A
C22B—H22D···O2A0.982.433.250 (3)141
C17B—H17B···N1Bi0.952.623.524 (3)159
C22A—H22A···O2Bii0.982.433.250 (3)141
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C22B—H22D⋯O2A0.982.433.250 (3)141
C17B—H17B⋯N1Bi0.952.623.524 (3)159
C22A—H22A⋯O2Bii0.982.433.250 (3)141

Symmetry codes: (i) ; (ii) .

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1.  Progress in the proxifan class: heterocyclic congeners as novel potent and selective histamine H(3)-receptor antagonists.

Authors:  Sven Grassmann; Bassem Sadek; Xavier Ligneau; Sigurd Elz; C Robin Ganellin; Jean-Michel Arrang; Jean-Charles Schwartz; Holger Stark; Walter Schunack
Journal:  Eur J Pharm Sci       Date:  2002-05       Impact factor: 4.384

2.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

3.  Synthesis and anticancer and anti-HIV testing of some pyrazino[1,2-a]benzimidazole derivatives.

Authors:  Seref Demirayak; Usama Abu Mohsen; Ahmet Cağri Karaburun
Journal:  Eur J Med Chem       Date:  2002-03       Impact factor: 6.514

4.  Ethyl 1-[2-(morpholin-4-yl)eth-yl]-2-[4-(trifluoro-meth-yl)phen-yl]-1H-benzimid-azole-5-carboxyl-ate.

Authors:  Yeong Keng Yoon; Mohamed Ashraf Ali; Tan Soo Choon; Madhukar Hemamalini; Hoong-Kun Fun
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-04-29

5.  2-(4-Chloro-phen-yl)-1-phenyl-1H-benz-imidazole.

Authors:  Karimah Kassim; N Zakiah N Hashim; Adibatul Husna Fadzil; M Sukeri M Yusof
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-02-24

6.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
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1.  Ethyl 1-phenyl-2-[4-(trifluoro-meth-oxy)phen-yl]-1H-benzimidazole-5-carboxyl-ate.

Authors:  Yeong Keng Yoon; Mohamed Ashraf Ali; Tan Soo Choon; Suhana Arshad; Ibrahim Abdul Razak
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-08-15
  1 in total

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