Literature DB >> 22606150

3β-Chloro-5α-cholestan-6-one.

Samina Khan Yusufzai, Hasnah Osman, Aisyah Saad Abdul Rahim, Suhana Arshad, Ibrahim Abdul Razak.   

Abstract

The asymmetric unit of the title compound, C(27)H(45)ClO, consists of two crystallographically independent mol-ecules. In both mol-ecules, the three cyclo-hexane rings in the steroid fused-ring systems adopt chair conformations, while the cyclo-pentane ring adopts a half-chair conformation in one mol-ecule and an envelope conformation in the other. In the crystal, the mol-ecules are linked into a two-dimensional network by weak C-H⋯O hydrogen bonds. The crystal studied is a nonmerohedral twin with a refined ratio of twin components of 0.264 (3):0.736 (3).

Entities:  

Year:  2012        PMID: 22606150      PMCID: PMC3344147          DOI: 10.1107/S1600536812012482

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


Related literature

For a crystallographic comparison of cholesterols, see: Rajnikant et al. (2006 ▶). For the biological activity of steroidal derivatives, see: Pluempe & Pulls (1971 ▶); Sawhney et al. (1975 ▶); Yonova & Stoilkova (2004 ▶). For related structures, see: Yusufzai et al. (2012 ▶); Ketuly et al. (2011 ▶). For ring conformations, see: Cremer & Pople (1975 ▶). For the synthesis, see: Windaus & Dalmer (1919 ▶). For the stability of the temperature controller used for data collection, see: Cosier & Glazer (1986 ▶).

Experimental

Crystal data

C27H45ClO M = 421.08 Monoclinic, a = 7.6603 (3) Å b = 15.7249 (6) Å c = 20.8434 (8) Å β = 94.069 (2)° V = 2504.41 (17) Å3 Z = 4 Mo Kα radiation μ = 0.17 mm−1 T = 100 K 0.25 × 0.18 × 0.14 mm

Data collection

Bruker SMART APEXII CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2009 ▶) T min = 0.960, T max = 0.977 14186 measured reflections 14186 independent reflections 10360 reflections with I > 2σ(I) R int = 0.000

Refinement

R[F 2 > 2σ(F 2)] = 0.067 wR(F 2) = 0.179 S = 1.02 14186 reflections 534 parameters 1 restraint H-atom parameters constrained Δρmax = 0.74 e Å−3 Δρmin = −0.34 e Å−3 Absolute structure: Flack (1983 ▶), 6535 Friedel pairs Flack parameter: 0.03 (6) 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/S1600536812012482/lh5434sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536812012482/lh5434Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C27H45ClOF(000) = 928
Mr = 421.08Dx = 1.117 Mg m3
Monoclinic, P21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ybCell parameters from 5836 reflections
a = 7.6603 (3) Åθ = 2.8–30.1°
b = 15.7249 (6) ŵ = 0.17 mm1
c = 20.8434 (8) ÅT = 100 K
β = 94.069 (2)°Block, colourless
V = 2504.41 (17) Å30.25 × 0.18 × 0.14 mm
Z = 4
Bruker SMART APEXII CCD area-detector diffractometer14186 independent reflections
Radiation source: fine-focus sealed tube10360 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.000
φ and ω scansθmax = 30.2°, θmin = 1.0°
Absorption correction: multi-scan (SADABS; Bruker, 2009)h = −10→10
Tmin = 0.960, Tmax = 0.977k = −22→22
14186 measured reflectionsl = −21→29
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.067H-atom parameters constrained
wR(F2) = 0.179w = 1/[σ2(Fo2) + (0.0924P)2 + 0.2267P] where P = (Fo2 + 2Fc2)/3
S = 1.02(Δ/σ)max = 0.001
14186 reflectionsΔρmax = 0.74 e Å3
534 parametersΔρmin = −0.34 e Å3
1 restraintAbsolute structure: Flack (1983), 6535 Friedel pairs
Primary atom site location: structure-invariant direct methodsFlack parameter: 0.03 (6)
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
Cl1A0.95587 (11)0.43447 (6)1.15732 (3)0.0373 (2)
O1A0.5385 (3)0.36817 (15)0.94654 (11)0.0309 (5)
C1A0.6511 (3)0.43069 (19)0.85333 (13)0.0217 (5)
H1AA0.62730.49230.84810.026*
H1AB0.55370.39950.83020.026*
C2A0.6558 (3)0.40841 (18)0.92389 (13)0.0213 (5)
C3A0.8149 (3)0.43897 (19)0.96392 (13)0.0207 (5)
H3AA0.81740.50220.95930.025*
C4A0.8036 (4)0.4207 (2)1.03561 (13)0.0246 (6)
H4AA0.69650.44701.05080.030*
H4AB0.79750.35861.04280.030*
C5A0.9647 (4)0.4573 (2)1.07281 (13)0.0257 (6)
H5AA0.96360.52041.06710.031*
C6A1.1334 (4)0.4230 (2)1.04917 (13)0.0281 (7)
H6AA1.14040.36091.05700.034*
H6AB1.23440.45021.07330.034*
C7A1.1416 (4)0.4408 (2)0.97677 (13)0.0268 (6)
H7AA1.25040.41570.96210.032*
H7AB1.14710.50300.97000.032*
C8A0.9838 (3)0.40478 (18)0.93530 (13)0.0194 (6)
C9A0.9845 (3)0.43831 (19)0.86532 (12)0.0194 (5)
H9AA0.97570.50160.86830.023*
C10A1.1523 (4)0.4202 (2)0.83238 (13)0.0242 (6)
H10A1.17090.35790.83140.029*
H10B1.25220.44560.85840.029*
C11A1.1515 (3)0.4548 (2)0.76347 (13)0.0226 (6)
H11A1.15270.51770.76480.027*
H11B1.25910.43580.74410.027*
C12A0.9914 (3)0.42491 (18)0.72111 (13)0.0185 (5)
C13A0.9501 (4)0.47380 (18)0.65620 (13)0.0194 (5)
H13A0.97150.53550.66520.023*
C14A0.7497 (4)0.46238 (19)0.64270 (13)0.0231 (6)
H14A0.72480.41710.61030.028*
H14B0.69590.51600.62600.028*
C15A0.6741 (3)0.4377 (2)0.70748 (12)0.0225 (5)
H15A0.57540.47530.71690.027*
H15B0.63340.37790.70680.027*
C16A0.8290 (3)0.45001 (17)0.75665 (12)0.0183 (5)
H16A0.83840.51270.76430.022*
C17A0.8228 (3)0.40925 (17)0.82266 (12)0.0174 (5)
H17A0.82930.34610.81740.021*
C18A0.9882 (4)0.3067 (2)0.93698 (15)0.0277 (6)
H18A1.09480.28650.91860.042*
H18B0.88550.28430.91180.042*
H18C0.98710.28720.98160.042*
C19A0.9991 (4)0.32876 (18)0.70822 (15)0.0244 (6)
H19A1.00500.29800.74920.037*
H19B1.10310.31570.68530.037*
H19C0.89400.31130.68200.037*
C20A1.2515 (4)0.45940 (19)0.61080 (13)0.0240 (6)
H20A1.30920.45180.57070.036*
H20B1.29350.41600.64190.036*
H20C1.27880.51600.62840.036*
C21A1.0524 (4)0.45052 (18)0.59722 (13)0.0217 (5)
H21A1.02660.38970.58620.026*
C22A0.9858 (4)0.50540 (19)0.53937 (13)0.0229 (6)
H22A0.85820.49630.53160.027*
H22B1.00400.56600.55090.027*
C23A1.0721 (4)0.48833 (19)0.47650 (13)0.0242 (6)
H23A1.19650.50590.48150.029*
H23B1.06840.42660.46720.029*
C24A0.9802 (4)0.53656 (19)0.41997 (15)0.0261 (6)
H24A0.85750.51660.41430.031*
H24B0.97760.59770.43110.031*
C25A1.0634 (4)0.5272 (2)0.35591 (14)0.0281 (6)
H25A1.19070.54110.36320.034*
C26A1.0478 (5)0.4370 (2)0.33031 (15)0.0381 (8)
H26A1.09450.39720.36340.057*
H26B1.11420.43170.29200.057*
H26C0.92440.42380.31900.057*
C27A0.9819 (6)0.5897 (2)0.30635 (17)0.0430 (9)
H27A1.00200.64800.32170.064*
H27B0.85570.57910.30010.064*
H27C1.03550.58210.26540.064*
Cl1B0.48971 (13)0.70424 (7)0.33925 (4)0.0439 (2)
O1B0.0567 (3)0.78060 (15)0.52100 (10)0.0317 (5)
C1B0.1591 (3)0.72188 (18)0.62247 (13)0.0208 (5)
H1BA0.13330.66060.62750.025*
H1BB0.06090.75440.63880.025*
C2B0.1684 (4)0.74109 (18)0.55219 (14)0.0221 (6)
C3B0.3314 (3)0.7090 (2)0.52305 (13)0.0222 (5)
H3BA0.33390.64600.52970.027*
C4B0.3277 (4)0.7235 (2)0.45059 (14)0.0268 (6)
H4BA0.22290.69590.42920.032*
H4BB0.32110.78520.44130.032*
C5B0.4905 (4)0.6868 (2)0.42489 (14)0.0308 (7)
H5BA0.49090.62410.43280.037*
C6B0.6570 (4)0.7241 (2)0.45813 (15)0.0347 (8)
H6BA0.66270.78580.44890.042*
H6BB0.76060.69660.44130.042*
C7B0.6589 (4)0.7099 (2)0.53135 (14)0.0290 (7)
H7BA0.76430.73760.55230.035*
H7BB0.66800.64820.54020.035*
C8B0.4956 (4)0.74503 (19)0.56156 (14)0.0221 (6)
C9B0.4919 (3)0.71337 (19)0.63200 (13)0.0216 (6)
H9BA0.48210.65000.62930.026*
C10B0.6575 (3)0.7313 (2)0.67522 (14)0.0262 (6)
H10C0.67680.79350.67720.031*
H10D0.75880.70550.65560.031*
C11B0.6503 (4)0.6971 (2)0.74369 (14)0.0261 (6)
H11C0.75690.71530.76970.031*
H11D0.64970.63420.74240.031*
C12B0.4889 (4)0.72799 (18)0.77626 (14)0.0215 (6)
C13B0.4411 (4)0.68052 (18)0.83786 (13)0.0216 (6)
H13B0.45610.61840.82940.026*
C14B0.2412 (4)0.6963 (2)0.83999 (13)0.0244 (6)
H14C0.18240.64460.85480.029*
H14D0.21940.74350.86980.029*
C15B0.1708 (4)0.71938 (19)0.77054 (13)0.0235 (6)
H15C0.07180.68210.75580.028*
H15D0.13200.77940.76780.028*
C16B0.3282 (3)0.70463 (18)0.73089 (13)0.0196 (5)
H16B0.33480.64170.72450.024*
C17B0.3284 (3)0.74356 (18)0.66389 (13)0.0191 (5)
H17B0.33530.80680.66870.023*
C18B0.4960 (4)0.8432 (2)0.55865 (15)0.0295 (7)
H18D0.59770.86510.58470.044*
H18E0.38850.86510.57550.044*
H18F0.50200.86160.51390.044*
C19B0.5012 (4)0.82440 (19)0.78917 (15)0.0265 (6)
H19D0.60300.83620.81900.040*
H19E0.39470.84380.80810.040*
H19F0.51380.85450.74860.040*
C20B0.7436 (4)0.6881 (2)0.89911 (14)0.0269 (6)
H20D0.78860.73110.87060.040*
H20E0.76720.63130.88250.040*
H20F0.80140.69440.94230.040*
C21B0.5456 (4)0.6999 (2)0.90218 (13)0.0246 (6)
H21B0.52400.76070.91330.030*
C22B0.4755 (4)0.6440 (2)0.95550 (14)0.0251 (6)
H22C0.34820.65430.95650.030*
H22D0.49130.58360.94390.030*
C23B0.5618 (4)0.6585 (2)1.02329 (14)0.0287 (7)
H23C0.68440.63831.02490.034*
H23D0.56380.72021.03280.034*
C24B0.4650 (5)0.6122 (2)1.07447 (14)0.0302 (7)
H24C0.45070.55181.06160.036*
H24D0.34650.63711.07550.036*
C25B0.5553 (5)0.6157 (2)1.14292 (16)0.0365 (8)
H25B0.67790.59441.14110.044*
C26B0.5628 (6)0.7051 (3)1.16937 (17)0.0534 (11)
H26D0.62420.74191.14050.080*
H26E0.62540.70501.21200.080*
H26F0.44360.72631.17280.080*
C27B0.4601 (7)0.5578 (3)1.18807 (19)0.0580 (13)
H27D0.52120.55891.23100.087*
H27E0.45830.49951.17140.087*
H27F0.33980.57801.19070.087*
U11U22U33U12U13U23
Cl1A0.0440 (4)0.0481 (5)0.0199 (3)−0.0101 (4)0.0024 (3)0.0046 (3)
O1A0.0234 (10)0.0345 (12)0.0354 (12)−0.0065 (9)0.0053 (9)0.0060 (10)
C1A0.0146 (11)0.0246 (14)0.0259 (13)0.0015 (11)0.0011 (9)0.0000 (12)
C2A0.0166 (12)0.0205 (13)0.0273 (14)0.0028 (10)0.0034 (10)0.0006 (11)
C3A0.0212 (12)0.0173 (13)0.0239 (13)0.0019 (11)0.0031 (10)0.0034 (11)
C4A0.0274 (14)0.0250 (16)0.0216 (13)−0.0011 (12)0.0035 (10)0.0016 (11)
C5A0.0319 (15)0.0252 (16)0.0200 (13)−0.0048 (12)0.0026 (11)0.0028 (11)
C6A0.0267 (14)0.0394 (19)0.0178 (13)−0.0039 (14)−0.0021 (10)0.0076 (13)
C7A0.0205 (13)0.0388 (18)0.0208 (13)−0.0023 (13)0.0002 (10)0.0045 (13)
C8A0.0176 (12)0.0204 (14)0.0200 (13)−0.0008 (10)0.0005 (10)0.0026 (10)
C9A0.0172 (11)0.0225 (14)0.0181 (12)−0.0011 (11)−0.0010 (9)0.0020 (11)
C10A0.0199 (13)0.0332 (17)0.0191 (13)0.0020 (12)−0.0021 (10)0.0009 (12)
C11A0.0181 (12)0.0290 (16)0.0209 (13)0.0008 (11)0.0016 (10)0.0000 (11)
C12A0.0182 (12)0.0164 (13)0.0207 (12)0.0012 (10)0.0001 (9)0.0004 (10)
C13A0.0224 (13)0.0172 (13)0.0181 (12)0.0014 (10)−0.0027 (10)−0.0002 (10)
C14A0.0213 (13)0.0246 (15)0.0228 (13)−0.0010 (11)−0.0026 (10)−0.0009 (11)
C15A0.0200 (12)0.0246 (14)0.0224 (12)0.0012 (12)−0.0019 (10)0.0005 (11)
C16A0.0209 (12)0.0171 (13)0.0168 (11)0.0017 (10)0.0010 (9)0.0005 (10)
C17A0.0153 (11)0.0153 (12)0.0217 (13)0.0003 (9)0.0014 (9)0.0002 (10)
C18A0.0323 (16)0.0240 (16)0.0268 (15)0.0067 (12)0.0016 (12)0.0036 (12)
C19A0.0296 (15)0.0165 (14)0.0274 (15)0.0029 (11)0.0031 (11)−0.0011 (11)
C20A0.0273 (14)0.0244 (14)0.0206 (12)0.0035 (12)0.0033 (11)−0.0010 (11)
C21A0.0240 (13)0.0184 (14)0.0228 (13)−0.0009 (11)0.0008 (10)−0.0023 (11)
C22A0.0234 (14)0.0220 (15)0.0226 (14)0.0025 (11)−0.0027 (11)−0.0030 (11)
C23A0.0302 (15)0.0225 (15)0.0199 (13)0.0018 (12)0.0025 (11)−0.0001 (11)
C24A0.0341 (16)0.0190 (14)0.0248 (15)0.0034 (12)−0.0001 (12)0.0024 (11)
C25A0.0387 (17)0.0258 (15)0.0199 (13)−0.0024 (13)0.0030 (12)0.0006 (11)
C26A0.058 (2)0.0294 (18)0.0263 (15)0.0085 (17)0.0001 (14)0.0005 (14)
C27A0.071 (3)0.0285 (18)0.0296 (18)0.0049 (18)0.0075 (17)0.0050 (14)
Cl1B0.0535 (5)0.0531 (6)0.0259 (4)0.0118 (5)0.0082 (3)0.0052 (4)
O1B0.0227 (10)0.0377 (13)0.0343 (12)0.0052 (10)−0.0006 (9)0.0068 (10)
C1B0.0143 (12)0.0191 (14)0.0290 (14)0.0005 (10)0.0009 (10)−0.0004 (11)
C2B0.0179 (12)0.0193 (13)0.0287 (14)−0.0021 (11)−0.0009 (10)−0.0009 (11)
C3B0.0205 (12)0.0191 (14)0.0269 (14)−0.0008 (11)0.0006 (10)0.0012 (12)
C4B0.0247 (14)0.0267 (16)0.0288 (15)0.0016 (12)0.0000 (11)0.0023 (12)
C5B0.0380 (17)0.0318 (17)0.0230 (14)0.0086 (14)0.0065 (12)0.0055 (13)
C6B0.0270 (15)0.044 (2)0.0341 (17)0.0089 (14)0.0107 (13)0.0086 (15)
C7B0.0196 (13)0.0380 (18)0.0296 (15)0.0026 (13)0.0036 (11)0.0057 (14)
C8B0.0164 (12)0.0223 (14)0.0278 (15)0.0011 (11)0.0018 (10)0.0040 (12)
C9B0.0155 (12)0.0193 (14)0.0299 (15)−0.0012 (10)0.0006 (10)−0.0009 (12)
C10B0.0127 (12)0.0359 (18)0.0300 (15)−0.0024 (11)0.0022 (10)0.0025 (13)
C11B0.0179 (12)0.0279 (16)0.0324 (15)0.0025 (12)0.0001 (11)0.0005 (13)
C12B0.0205 (13)0.0193 (14)0.0247 (14)−0.0006 (10)0.0022 (10)−0.0001 (11)
C13B0.0233 (13)0.0170 (13)0.0245 (13)−0.0011 (11)0.0014 (10)−0.0039 (11)
C14B0.0207 (13)0.0258 (15)0.0270 (14)−0.0014 (12)0.0025 (10)−0.0014 (12)
C15B0.0197 (13)0.0233 (15)0.0278 (14)0.0007 (11)0.0034 (10)−0.0025 (11)
C16B0.0163 (12)0.0178 (13)0.0249 (13)−0.0003 (11)0.0012 (9)−0.0013 (11)
C17B0.0145 (11)0.0181 (13)0.0246 (13)0.0002 (10)0.0002 (10)−0.0016 (11)
C18B0.0288 (15)0.0231 (16)0.0362 (17)−0.0059 (12)0.0003 (13)0.0070 (13)
C19B0.0264 (14)0.0200 (14)0.0323 (16)−0.0036 (11)−0.0033 (12)−0.0015 (12)
C20B0.0249 (14)0.0268 (15)0.0282 (14)−0.0038 (12)−0.0029 (11)−0.0012 (12)
C21B0.0251 (14)0.0197 (14)0.0283 (14)0.0001 (12)−0.0025 (11)−0.0033 (12)
C22B0.0302 (15)0.0207 (15)0.0241 (14)−0.0014 (12)−0.0003 (11)−0.0015 (12)
C23B0.0342 (17)0.0252 (16)0.0268 (15)0.0019 (13)0.0023 (12)−0.0033 (12)
C24B0.0440 (19)0.0231 (16)0.0232 (15)−0.0032 (13)−0.0005 (13)−0.0012 (12)
C25B0.044 (2)0.0359 (19)0.0290 (16)−0.0013 (16)0.0009 (14)0.0014 (14)
C26B0.087 (3)0.048 (2)0.0254 (17)−0.032 (2)0.0062 (18)−0.0002 (17)
C27B0.104 (4)0.036 (2)0.032 (2)−0.020 (2)−0.004 (2)0.0072 (16)
Cl1A—C5A1.804 (3)Cl1B—C5B1.805 (3)
O1A—C2A1.221 (3)O1B—C2B1.209 (3)
C1A—C2A1.510 (4)C1B—C2B1.502 (4)
C1A—C17A1.540 (4)C1B—C17B1.544 (4)
C1A—H1AA0.9900C1B—H1BA0.9900
C1A—H1AB0.9900C1B—H1BB0.9900
C2A—C3A1.506 (4)C2B—C3B1.513 (4)
C3A—C4A1.530 (4)C3B—C4B1.526 (4)
C3A—C8A1.558 (4)C3B—C8B1.551 (4)
C3A—H3AA1.0000C3B—H3BA1.0000
C4A—C5A1.523 (4)C4B—C5B1.507 (4)
C4A—H4AA0.9900C4B—H4BA0.9900
C4A—H4AB0.9900C4B—H4BB0.9900
C5A—C6A1.515 (4)C5B—C6B1.525 (5)
C5A—H5AA1.0000C5B—H5BA1.0000
C6A—C7A1.540 (4)C6B—C7B1.541 (4)
C6A—H6AA0.9900C6B—H6BA0.9900
C6A—H6AB0.9900C6B—H6BB0.9900
C7A—C8A1.542 (4)C7B—C8B1.542 (4)
C7A—H7AA0.9900C7B—H7BA0.9900
C7A—H7AB0.9900C7B—H7BB0.9900
C8A—C18A1.542 (4)C8B—C18B1.545 (4)
C8A—C9A1.551 (4)C8B—C9B1.552 (4)
C9A—C10A1.526 (4)C9B—C10B1.529 (4)
C9A—C17A1.542 (4)C9B—C17B1.534 (4)
C9A—H9AA1.0000C9B—H9BA1.0000
C10A—C11A1.535 (4)C10B—C11B1.530 (4)
C10A—H10A0.9900C10B—H10C0.9900
C10A—H10B0.9900C10B—H10D0.9900
C11A—C12A1.533 (4)C11B—C12B1.531 (4)
C11A—H11A0.9900C11B—H11C0.9900
C11A—H11B0.9900C11B—H11D0.9900
C12A—C19A1.538 (4)C12B—C19B1.541 (4)
C12A—C16A1.544 (4)C12B—C16B1.542 (4)
C12A—C13A1.569 (4)C12B—C13B1.551 (4)
C13A—C21A1.548 (4)C13B—C21B1.542 (4)
C13A—C14A1.552 (4)C13B—C14B1.555 (4)
C13A—H13A1.0000C13B—H13B1.0000
C14A—C15A1.555 (4)C14B—C15B1.551 (4)
C14A—H14A0.9900C14B—H14C0.9900
C14A—H14B0.9900C14B—H14D0.9900
C15A—C16A1.524 (4)C15B—C16B1.527 (4)
C15A—H15A0.9900C15B—H15C0.9900
C15A—H15B0.9900C15B—H15D0.9900
C16A—C17A1.522 (4)C16B—C17B1.525 (4)
C16A—H16A1.0000C16B—H16B1.0000
C17A—H17A1.0000C17B—H17B1.0000
C18A—H18A0.9800C18B—H18D0.9800
C18A—H18B0.9800C18B—H18E0.9800
C18A—H18C0.9800C18B—H18F0.9800
C19A—H19A0.9800C19B—H19D0.9800
C19A—H19B0.9800C19B—H19E0.9800
C19A—H19C0.9800C19B—H19F0.9800
C20A—C21A1.538 (4)C20B—C21B1.534 (4)
C20A—H20A0.9800C20B—H20D0.9800
C20A—H20B0.9800C20B—H20E0.9800
C20A—H20C0.9800C20B—H20F0.9800
C21A—C22A1.540 (4)C21B—C22B1.543 (4)
C21A—H21A1.0000C21B—H21B1.0000
C22A—C23A1.533 (4)C22B—C23B1.534 (4)
C22A—H22A0.9900C22B—H22C0.9900
C22A—H22B0.9900C22B—H22D0.9900
C23A—C24A1.530 (4)C23B—C24B1.527 (4)
C23A—H23A0.9900C23B—H23C0.9900
C23A—H23B0.9900C23B—H23D0.9900
C24A—C25A1.527 (4)C24B—C25B1.542 (5)
C24A—H24A0.9900C24B—H24C0.9900
C24A—H24B0.9900C24B—H24D0.9900
C25A—C26A1.517 (5)C25B—C26B1.509 (6)
C25A—C27A1.527 (5)C25B—C27B1.531 (5)
C25A—H25A1.0000C25B—H25B1.0000
C26A—H26A0.9800C26B—H26D0.9800
C26A—H26B0.9800C26B—H26E0.9800
C26A—H26C0.9800C26B—H26F0.9800
C27A—H27A0.9800C27B—H27D0.9800
C27A—H27B0.9800C27B—H27E0.9800
C27A—H27C0.9800C27B—H27F0.9800
C2A—C1A—C17A113.1 (2)C2B—C1B—C17B113.9 (2)
C2A—C1A—H1AA109.0C2B—C1B—H1BA108.8
C17A—C1A—H1AA109.0C17B—C1B—H1BA108.8
C2A—C1A—H1AB109.0C2B—C1B—H1BB108.8
C17A—C1A—H1AB109.0C17B—C1B—H1BB108.8
H1AA—C1A—H1AB107.8H1BA—C1B—H1BB107.7
O1A—C2A—C3A122.7 (3)O1B—C2B—C1B123.2 (3)
O1A—C2A—C1A122.0 (3)O1B—C2B—C3B121.9 (3)
C3A—C2A—C1A115.3 (2)C1B—C2B—C3B114.9 (2)
C2A—C3A—C4A112.4 (2)C2B—C3B—C4B112.9 (2)
C2A—C3A—C8A109.8 (2)C2B—C3B—C8B109.4 (2)
C4A—C3A—C8A114.6 (2)C4B—C3B—C8B114.5 (2)
C2A—C3A—H3AA106.5C2B—C3B—H3BA106.5
C4A—C3A—H3AA106.5C4B—C3B—H3BA106.5
C8A—C3A—H3AA106.5C8B—C3B—H3BA106.5
C5A—C4A—C3A109.1 (2)C5B—C4B—C3B109.7 (2)
C5A—C4A—H4AA109.9C5B—C4B—H4BA109.7
C3A—C4A—H4AA109.9C3B—C4B—H4BA109.7
C5A—C4A—H4AB109.9C5B—C4B—H4BB109.7
C3A—C4A—H4AB109.9C3B—C4B—H4BB109.7
H4AA—C4A—H4AB108.3H4BA—C4B—H4BB108.2
C6A—C5A—C4A112.3 (3)C4B—C5B—C6B112.2 (3)
C6A—C5A—Cl1A109.8 (2)C4B—C5B—Cl1B110.4 (2)
C4A—C5A—Cl1A109.7 (2)C6B—C5B—Cl1B109.6 (2)
C6A—C5A—H5AA108.3C4B—C5B—H5BA108.2
C4A—C5A—H5AA108.3C6B—C5B—H5BA108.2
Cl1A—C5A—H5AA108.3Cl1B—C5B—H5BA108.2
C5A—C6A—C7A110.4 (2)C5B—C6B—C7B110.1 (3)
C5A—C6A—H6AA109.6C5B—C6B—H6BA109.6
C7A—C6A—H6AA109.6C7B—C6B—H6BA109.6
C5A—C6A—H6AB109.6C5B—C6B—H6BB109.6
C7A—C6A—H6AB109.6C7B—C6B—H6BB109.6
H6AA—C6A—H6AB108.1H6BA—C6B—H6BB108.2
C6A—C7A—C8A113.4 (2)C6B—C7B—C8B113.7 (2)
C6A—C7A—H7AA108.9C6B—C7B—H7BA108.8
C8A—C7A—H7AA108.9C8B—C7B—H7BA108.8
C6A—C7A—H7AB108.9C6B—C7B—H7BB108.8
C8A—C7A—H7AB108.9C8B—C7B—H7BB108.8
H7AA—C7A—H7AB107.7H7BA—C7B—H7BB107.7
C18A—C8A—C7A109.9 (2)C7B—C8B—C18B109.7 (3)
C18A—C8A—C9A111.1 (2)C7B—C8B—C3B108.0 (2)
C7A—C8A—C9A110.3 (2)C18B—C8B—C3B110.4 (2)
C18A—C8A—C3A110.7 (2)C7B—C8B—C9B110.0 (2)
C7A—C8A—C3A107.3 (2)C18B—C8B—C9B111.0 (3)
C9A—C8A—C3A107.5 (2)C3B—C8B—C9B107.7 (2)
C10A—C9A—C17A110.7 (2)C10B—C9B—C17B110.9 (2)
C10A—C9A—C8A114.7 (2)C10B—C9B—C8B115.3 (2)
C17A—C9A—C8A112.7 (2)C17B—C9B—C8B112.4 (2)
C10A—C9A—H9AA106.0C10B—C9B—H9BA105.8
C17A—C9A—H9AA106.0C17B—C9B—H9BA105.8
C8A—C9A—H9AA106.0C8B—C9B—H9BA105.8
C9A—C10A—C11A114.0 (2)C9B—C10B—C11B113.7 (2)
C9A—C10A—H10A108.7C9B—C10B—H10C108.8
C11A—C10A—H10A108.7C11B—C10B—H10C108.8
C9A—C10A—H10B108.7C9B—C10B—H10D108.8
C11A—C10A—H10B108.7C11B—C10B—H10D108.8
H10A—C10A—H10B107.6H10C—C10B—H10D107.7
C12A—C11A—C10A112.4 (2)C10B—C11B—C12B112.7 (2)
C12A—C11A—H11A109.1C10B—C11B—H11C109.1
C10A—C11A—H11A109.1C12B—C11B—H11C109.1
C12A—C11A—H11B109.1C10B—C11B—H11D109.1
C10A—C11A—H11B109.1C12B—C11B—H11D109.1
H11A—C11A—H11B107.9H11C—C11B—H11D107.8
C11A—C12A—C19A111.3 (2)C11B—C12B—C19B110.3 (2)
C11A—C12A—C16A106.5 (2)C11B—C12B—C16B106.7 (2)
C19A—C12A—C16A112.2 (2)C19B—C12B—C16B112.2 (2)
C11A—C12A—C13A116.8 (2)C11B—C12B—C13B117.4 (2)
C19A—C12A—C13A109.8 (2)C19B—C12B—C13B110.1 (2)
C16A—C12A—C13A99.7 (2)C16B—C12B—C13B99.7 (2)
C21A—C13A—C14A112.3 (2)C21B—C13B—C12B119.1 (2)
C21A—C13A—C12A119.1 (2)C21B—C13B—C14B113.3 (2)
C14A—C13A—C12A103.7 (2)C12B—C13B—C14B103.7 (2)
C21A—C13A—H13A107.1C21B—C13B—H13B106.7
C14A—C13A—H13A107.1C12B—C13B—H13B106.7
C12A—C13A—H13A107.1C14B—C13B—H13B106.7
C13A—C14A—C15A107.2 (2)C15B—C14B—C13B106.8 (2)
C13A—C14A—H14A110.3C15B—C14B—H14C110.4
C15A—C14A—H14A110.3C13B—C14B—H14C110.4
C13A—C14A—H14B110.3C15B—C14B—H14D110.4
C15A—C14A—H14B110.3C13B—C14B—H14D110.4
H14A—C14A—H14B108.5H14C—C14B—H14D108.6
C16A—C15A—C14A103.4 (2)C16B—C15B—C14B103.5 (2)
C16A—C15A—H15A111.1C16B—C15B—H15C111.1
C14A—C15A—H15A111.1C14B—C15B—H15C111.1
C16A—C15A—H15B111.1C16B—C15B—H15D111.1
C14A—C15A—H15B111.1C14B—C15B—H15D111.1
H15A—C15A—H15B109.0H15C—C15B—H15D109.0
C17A—C16A—C15A118.8 (2)C17B—C16B—C15B119.1 (2)
C17A—C16A—C12A113.8 (2)C17B—C16B—C12B114.4 (2)
C15A—C16A—C12A105.1 (2)C15B—C16B—C12B105.0 (2)
C17A—C16A—H16A106.1C17B—C16B—H16B105.8
C15A—C16A—H16A106.1C15B—C16B—H16B105.8
C12A—C16A—H16A106.1C12B—C16B—H16B105.8
C16A—C17A—C1A111.4 (2)C16B—C17B—C9B109.1 (2)
C16A—C17A—C9A108.7 (2)C16B—C17B—C1B111.6 (2)
C1A—C17A—C9A111.7 (2)C9B—C17B—C1B111.6 (2)
C16A—C17A—H17A108.3C16B—C17B—H17B108.2
C1A—C17A—H17A108.3C9B—C17B—H17B108.2
C9A—C17A—H17A108.3C1B—C17B—H17B108.2
C8A—C18A—H18A109.5C8B—C18B—H18D109.5
C8A—C18A—H18B109.5C8B—C18B—H18E109.5
H18A—C18A—H18B109.5H18D—C18B—H18E109.5
C8A—C18A—H18C109.5C8B—C18B—H18F109.5
H18A—C18A—H18C109.5H18D—C18B—H18F109.5
H18B—C18A—H18C109.5H18E—C18B—H18F109.5
C12A—C19A—H19A109.5C12B—C19B—H19D109.5
C12A—C19A—H19B109.5C12B—C19B—H19E109.5
H19A—C19A—H19B109.5H19D—C19B—H19E109.5
C12A—C19A—H19C109.5C12B—C19B—H19F109.5
H19A—C19A—H19C109.5H19D—C19B—H19F109.5
H19B—C19A—H19C109.5H19E—C19B—H19F109.5
C21A—C20A—H20A109.5C21B—C20B—H20D109.5
C21A—C20A—H20B109.5C21B—C20B—H20E109.5
H20A—C20A—H20B109.5H20D—C20B—H20E109.5
C21A—C20A—H20C109.5C21B—C20B—H20F109.5
H20A—C20A—H20C109.5H20D—C20B—H20F109.5
H20B—C20A—H20C109.5H20E—C20B—H20F109.5
C20A—C21A—C22A111.2 (2)C20B—C21B—C13B113.2 (2)
C20A—C21A—C13A112.6 (2)C20B—C21B—C22B110.9 (2)
C22A—C21A—C13A109.3 (2)C13B—C21B—C22B109.1 (2)
C20A—C21A—H21A107.8C20B—C21B—H21B107.8
C22A—C21A—H21A107.8C13B—C21B—H21B107.8
C13A—C21A—H21A107.8C22B—C21B—H21B107.8
C23A—C22A—C21A115.6 (2)C23B—C22B—C21B115.4 (3)
C23A—C22A—H22A108.4C23B—C22B—H22C108.4
C21A—C22A—H22A108.4C21B—C22B—H22C108.4
C23A—C22A—H22B108.4C23B—C22B—H22D108.4
C21A—C22A—H22B108.4C21B—C22B—H22D108.4
H22A—C22A—H22B107.4H22C—C22B—H22D107.5
C24A—C23A—C22A111.6 (2)C24B—C23B—C22B111.9 (3)
C24A—C23A—H23A109.3C24B—C23B—H23C109.2
C22A—C23A—H23A109.3C22B—C23B—H23C109.2
C24A—C23A—H23B109.3C24B—C23B—H23D109.2
C22A—C23A—H23B109.3C22B—C23B—H23D109.2
H23A—C23A—H23B108.0H23C—C23B—H23D107.9
C25A—C24A—C23A115.3 (3)C23B—C24B—C25B114.9 (3)
C25A—C24A—H24A108.4C23B—C24B—H24C108.5
C23A—C24A—H24A108.4C25B—C24B—H24C108.5
C25A—C24A—H24B108.4C23B—C24B—H24D108.5
C23A—C24A—H24B108.4C25B—C24B—H24D108.5
H24A—C24A—H24B107.5H24C—C24B—H24D107.5
C26A—C25A—C24A111.7 (3)C26B—C25B—C27B109.7 (3)
C26A—C25A—C27A110.2 (3)C26B—C25B—C24B112.0 (3)
C24A—C25A—C27A110.7 (3)C27B—C25B—C24B110.2 (3)
C26A—C25A—H25A108.0C26B—C25B—H25B108.3
C24A—C25A—H25A108.0C27B—C25B—H25B108.3
C27A—C25A—H25A108.0C24B—C25B—H25B108.3
C25A—C26A—H26A109.5C25B—C26B—H26D109.5
C25A—C26A—H26B109.5C25B—C26B—H26E109.5
H26A—C26A—H26B109.5H26D—C26B—H26E109.5
C25A—C26A—H26C109.5C25B—C26B—H26F109.5
H26A—C26A—H26C109.5H26D—C26B—H26F109.5
H26B—C26A—H26C109.5H26E—C26B—H26F109.5
C25A—C27A—H27A109.5C25B—C27B—H27D109.5
C25A—C27A—H27B109.5C25B—C27B—H27E109.5
H27A—C27A—H27B109.5H27D—C27B—H27E109.5
C25A—C27A—H27C109.5C25B—C27B—H27F109.5
H27A—C27A—H27C109.5H27D—C27B—H27F109.5
H27B—C27A—H27C109.5H27E—C27B—H27F109.5
C17A—C1A—C2A—O1A−131.1 (3)C17B—C1B—C2B—O1B−130.8 (3)
C17A—C1A—C2A—C3A48.7 (3)C17B—C1B—C2B—C3B47.8 (3)
O1A—C2A—C3A—C4A−5.1 (4)O1B—C2B—C3B—C4B−6.2 (4)
C1A—C2A—C3A—C4A175.2 (2)C1B—C2B—C3B—C4B175.2 (2)
O1A—C2A—C3A—C8A123.7 (3)O1B—C2B—C3B—C8B122.7 (3)
C1A—C2A—C3A—C8A−56.0 (3)C1B—C2B—C3B—C8B−56.0 (3)
C2A—C3A—C4A—C5A−177.3 (2)C2B—C3B—C4B—C5B−177.8 (3)
C8A—C3A—C4A—C5A56.4 (3)C8B—C3B—C4B—C5B56.1 (3)
C3A—C4A—C5A—C6A−56.4 (3)C3B—C4B—C5B—C6B−56.9 (4)
C3A—C4A—C5A—Cl1A−178.8 (2)C3B—C4B—C5B—Cl1B−179.5 (2)
C4A—C5A—C6A—C7A56.8 (4)C4B—C5B—C6B—C7B56.8 (4)
Cl1A—C5A—C6A—C7A179.2 (2)Cl1B—C5B—C6B—C7B179.8 (2)
C5A—C6A—C7A—C8A−56.2 (4)C5B—C6B—C7B—C8B−55.2 (4)
C6A—C7A—C8A—C18A−67.0 (3)C6B—C7B—C8B—C18B−68.3 (4)
C6A—C7A—C8A—C9A170.2 (3)C6B—C7B—C8B—C3B52.1 (4)
C6A—C7A—C8A—C3A53.4 (3)C6B—C7B—C8B—C9B169.4 (3)
C2A—C3A—C8A—C18A−62.2 (3)C2B—C3B—C8B—C7B179.1 (2)
C4A—C3A—C8A—C18A65.4 (3)C4B—C3B—C8B—C7B−53.0 (3)
C2A—C3A—C8A—C7A178.0 (2)C2B—C3B—C8B—C18B−60.9 (3)
C4A—C3A—C8A—C7A−54.4 (3)C4B—C3B—C8B—C18B67.0 (3)
C2A—C3A—C8A—C9A59.3 (3)C2B—C3B—C8B—C9B60.3 (3)
C4A—C3A—C8A—C9A−173.1 (2)C4B—C3B—C8B—C9B−171.7 (2)
C18A—C8A—C9A—C10A−66.0 (3)C7B—C8B—C9B—C10B53.7 (3)
C7A—C8A—C9A—C10A56.0 (3)C18B—C8B—C9B—C10B−67.9 (3)
C3A—C8A—C9A—C10A172.7 (2)C3B—C8B—C9B—C10B171.2 (2)
C18A—C8A—C9A—C17A61.8 (3)C7B—C8B—C9B—C17B−177.9 (2)
C7A—C8A—C9A—C17A−176.1 (2)C18B—C8B—C9B—C17B60.5 (3)
C3A—C8A—C9A—C17A−59.4 (3)C3B—C8B—C9B—C17B−60.4 (3)
C17A—C9A—C10A—C11A51.8 (3)C17B—C9B—C10B—C11B52.3 (3)
C8A—C9A—C10A—C11A−179.3 (2)C8B—C9B—C10B—C11B−178.5 (3)
C9A—C10A—C11A—C12A−53.4 (3)C9B—C10B—C11B—C12B−53.9 (4)
C10A—C11A—C12A—C19A−68.2 (3)C10B—C11B—C12B—C19B−68.1 (3)
C10A—C11A—C12A—C16A54.3 (3)C10B—C11B—C12B—C16B54.0 (3)
C10A—C11A—C12A—C13A164.6 (2)C10B—C11B—C12B—C13B164.7 (2)
C11A—C12A—C13A—C21A81.2 (3)C11B—C12B—C13B—C21B78.0 (3)
C19A—C12A—C13A—C21A−46.7 (3)C19B—C12B—C13B—C21B−49.3 (3)
C16A—C12A—C13A—C21A−164.6 (2)C16B—C12B—C13B—C21B−167.4 (2)
C11A—C12A—C13A—C14A−153.2 (2)C11B—C12B—C13B—C14B−155.0 (2)
C19A—C12A—C13A—C14A78.9 (3)C19B—C12B—C13B—C14B77.6 (3)
C16A—C12A—C13A—C14A−39.0 (3)C16B—C12B—C13B—C14B−40.4 (3)
C21A—C13A—C14A—C15A149.2 (2)C21B—C13B—C14B—C15B151.8 (2)
C12A—C13A—C14A—C15A19.3 (3)C12B—C13B—C14B—C15B21.3 (3)
C13A—C14A—C15A—C16A8.7 (3)C13B—C14B—C15B—C16B6.9 (3)
C14A—C15A—C16A—C17A−163.1 (2)C14B—C15B—C16B—C17B−162.9 (2)
C14A—C15A—C16A—C12A−34.3 (3)C14B—C15B—C16B—C12B−33.2 (3)
C11A—C12A—C16A—C17A−60.5 (3)C11B—C12B—C16B—C17B−58.9 (3)
C19A—C12A—C16A—C17A61.5 (3)C19B—C12B—C16B—C17B62.1 (3)
C13A—C12A—C16A—C17A177.6 (2)C13B—C12B—C16B—C17B178.6 (2)
C11A—C12A—C16A—C15A167.8 (2)C11B—C12B—C16B—C15B168.7 (2)
C19A—C12A—C16A—C15A−70.2 (3)C19B—C12B—C16B—C15B−70.4 (3)
C13A—C12A—C16A—C15A46.0 (3)C13B—C12B—C16B—C15B46.1 (3)
C15A—C16A—C17A—C1A−50.7 (3)C15B—C16B—C17B—C9B−175.1 (2)
C12A—C16A—C17A—C1A−175.3 (2)C12B—C16B—C17B—C9B59.6 (3)
C15A—C16A—C17A—C9A−174.3 (2)C15B—C16B—C17B—C1B−51.4 (3)
C12A—C16A—C17A—C9A61.1 (3)C12B—C16B—C17B—C1B−176.7 (2)
C2A—C1A—C17A—C16A−167.2 (2)C10B—C9B—C17B—C16B−53.4 (3)
C2A—C1A—C17A—C9A−45.4 (3)C8B—C9B—C17B—C16B175.9 (2)
C10A—C9A—C17A—C16A−53.8 (3)C10B—C9B—C17B—C1B−177.1 (2)
C8A—C9A—C17A—C16A176.2 (2)C8B—C9B—C17B—C1B52.2 (3)
C10A—C9A—C17A—C1A−177.3 (2)C2B—C1B—C17B—C16B−166.8 (2)
C8A—C9A—C17A—C1A52.8 (3)C2B—C1B—C17B—C9B−44.5 (3)
C14A—C13A—C21A—C20A−178.5 (2)C12B—C13B—C21B—C20B−55.1 (4)
C12A—C13A—C21A—C20A−57.1 (3)C14B—C13B—C21B—C20B−177.4 (3)
C14A—C13A—C21A—C22A57.3 (3)C12B—C13B—C21B—C22B−179.1 (2)
C12A—C13A—C21A—C22A178.7 (2)C14B—C13B—C21B—C22B58.6 (3)
C20A—C21A—C22A—C23A56.4 (3)C20B—C21B—C22B—C23B57.0 (3)
C13A—C21A—C22A—C23A−178.7 (2)C13B—C21B—C22B—C23B−177.7 (2)
C21A—C22A—C23A—C24A172.0 (2)C21B—C22B—C23B—C24B170.3 (3)
C22A—C23A—C24A—C25A176.8 (3)C22B—C23B—C24B—C25B173.6 (3)
C23A—C24A—C25A—C26A66.8 (4)C23B—C24B—C25B—C26B65.1 (4)
C23A—C24A—C25A—C27A−169.9 (3)C23B—C24B—C25B—C27B−172.6 (3)
D—H···AD—HH···AD···AD—H···A
C7A—H7AA···O1Ai0.992.373.349 (4)168
C7B—H7BA···O1Bi0.992.473.265 (4)137
C23A—H23B···O1Bii0.992.513.414 (4)152
C23B—H23D···O1Aiii0.992.503.453 (4)161
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C7A—H7AA⋯O1Ai0.992.373.349 (4)168
C7B—H7BA⋯O1Bi0.992.473.265 (4)137
C23A—H23B⋯O1Bii0.992.513.414 (4)152
C23B—H23D⋯O1Aiii0.992.503.453 (4)161

Symmetry codes: (i) ; (ii) ; (iii) .

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1.  Comparative crystallographic and hydrogen-bonding analysis of cholestane derivatives.

Authors:  Chand Bhavnaish
Journal:  Acta Crystallogr A       Date:  2006-03       Impact factor: 2.290

2.  A short history of SHELX.

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

3.  3β-Acet-oxy-6-hy-droxy-imino-cholestane.

Authors:  Kamal Aziz Ketuly; A Hamid A Hadi; Seik Weng Ng; Edward R T Tiekink
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-03-05

4.  3β-Acet-oxy-5α-cholestan-6-one 2-cyano-acetyl-hydrazone.

Authors:  Samina Khan Yusufzai; Hasnah Osman; Othman Sulaiman; Suhana Arshad; Ibrahim Abdul Razak
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-01-21

5.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
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