Literature DB >> 21577506

19β,28-Ep-oxy-18α-olean-3β-ol.

R C Santos, R M A Pinto, A Matos Beja, J A R Salvador, J A Paixão.   

Abstract

The title triterpene, C(30)H(50)O(2), is an 18α-oleanane derivative prepared by the Wagner-Meerwein rearrangement of betulin with Bi(OTf)(3).xH(2)O (OTF is trifluoromethanesulfonate). There are two symmetry-independent mol-ecules in the asymmetric unit that show no significant differences concerning bond lengths and angles. The conformation of the six-membered rings is close to a chair form, while the five-membered epoxide rings adopt envelope conformations. All rings are trans-fused. In the crystal, mol-ecules are held together by O-H⋯O hydrogen bonds. A quantum-mechanical ab initio Roothan Hartree-Fock calculation on the isolated mol-ecule gives values for bond lengths and valency angles close to the experimental values. The calculations also reproduce well the mol-ecular conformation with calculated puckering parameters that match well the observed values.

Entities:  

Year:  2009        PMID: 21577506      PMCID: PMC2969885          DOI: 10.1107/S1600536809030311

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


Related literature

For terpene rearrangements, see: King et al. (1968 ▶). For Wagner–Meerwein rearrangements, see: Hanson (1991 ▶). For the synthesis of 18α-oleanane derivatives, see: Salvador et al. (2009 ▶). For the cytotoxic activity of 18α-oleanane derivatives, see: Urban et al. (2007 ▶); Thibeault et al. (2007 ▶). For puckering parameters, see: Cremer & Pople (1975 ▶) and for asymmetry parameters, see: Duax & Norton (1975 ▶). For the program GAMMESS used to perform the quantum chemical calculations, see: Schmidt et al. (1993 ▶).

Experimental

Crystal data

C30H50O2 M = 442.70 Monoclinic, a = 13.2824 (2) Å b = 12.6702 (2) Å c = 15.5236 (3) Å β = 94.9990 (10)° V = 2602.54 (8) Å3 Z = 4 Mo Kα radiation μ = 0.07 mm−1 T = 293 K 0.40 × 0.25 × 0.18 mm

Data collection

Bruker APEXII CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 2000 ▶) T min = 0.930, T max = 0.998 63144 measured reflections 6510 independent reflections 5427 reflections with I > 2σ(I) R int = 0.039

Refinement

R[F 2 > 2σ(F 2)] = 0.048 wR(F 2) = 0.140 S = 1.02 6510 reflections 593 parameters 1 restraint H-atom parameters constrained Δρmax = 0.28 e Å−3 Δρmin = −0.19 e Å−3 Data collection: SMART (Bruker, 2003 ▶); cell refinement: SAINT (Bruker, 2003 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: PLATON (Spek, 2009 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536809030311/bt5024sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536809030311/bt5024Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C30H50O2F(000) = 984
Mr = 442.70Dx = 1.130 Mg m3
Monoclinic, P21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ybCell parameters from 9126 reflections
a = 13.2824 (2) Åθ = 2.5–27.5°
b = 12.6702 (2) ŵ = 0.07 mm1
c = 15.5236 (3) ÅT = 293 K
β = 94.999 (1)°Block, clear colourless
V = 2602.54 (8) Å30.40 × 0.25 × 0.18 mm
Z = 4
Bruker APEXII CCD area-detector diffractometer6510 independent reflections
Radiation source: fine-focus sealed tube5427 reflections with I > 2σ(I)
graphiteRint = 0.039
φ and ω scansθmax = 27.9°, θmin = 1.5°
Absorption correction: multi-scan (SADABS; Sheldrick, 2000)h = −17→17
Tmin = 0.930, Tmax = 0.998k = −16→16
63144 measured reflectionsl = −20→20
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.048Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.140H-atom parameters constrained
S = 1.02w = 1/[σ2(Fo2) + (0.0834P)2 + 0.4115P] where P = (Fo2 + 2Fc2)/3
6510 reflections(Δ/σ)max = 0.001
593 parametersΔρmax = 0.28 e Å3
1 restraintΔρmin = −0.19 e Å3
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
C1A1.21538 (19)1.06069 (19)0.31109 (18)0.0404 (5)
H1A11.17451.12330.29930.049*
H1A21.22661.05310.37340.049*
C2A1.3177 (2)1.0762 (2)0.27390 (19)0.0436 (6)
H2A11.30711.08870.21210.052*
H2A21.35151.13740.30040.052*
C3A1.38282 (17)0.9802 (2)0.29068 (16)0.0380 (5)
H3A1.39190.96990.35340.046*
C4A1.33528 (17)0.8782 (2)0.25066 (16)0.0362 (5)
C23A1.3342 (2)0.8791 (3)0.15174 (18)0.0536 (7)
H23A1.40240.88020.13570.080*
H23B1.29910.94070.12910.080*
H23C1.30060.81700.12850.080*
C24A1.40181 (19)0.7852 (2)0.2846 (2)0.0509 (7)
H24A1.37670.72100.25780.076*
H24B1.40020.77980.34620.076*
H24C1.47010.79670.27100.076*
C5A1.22947 (16)0.86733 (18)0.28626 (14)0.0309 (4)
H5A1.24470.86260.34910.037*
C6A1.17428 (18)0.7645 (2)0.26226 (18)0.0408 (6)
H6A11.14490.76810.20290.049*
H6A21.22180.70620.26690.049*
C7A1.09128 (18)0.74588 (19)0.32233 (19)0.0410 (5)
H7A11.12210.73850.38100.049*
H7A21.05750.67990.30650.049*
C8A1.01189 (16)0.83426 (18)0.32031 (15)0.0331 (5)
C26A0.94773 (19)0.8264 (3)0.23252 (17)0.0479 (6)
H26A0.99150.82660.18650.072*
H26B0.90250.88550.22600.072*
H26C0.90930.76210.23060.072*
C9A1.06731 (16)0.94255 (17)0.33170 (15)0.0321 (4)
H9A1.09970.94080.39090.038*
C10A1.15646 (17)0.96339 (19)0.27366 (15)0.0331 (5)
C25A1.1193 (2)0.9870 (3)0.17901 (18)0.0508 (7)
H25A1.05521.02240.17690.076*
H25B1.11200.92210.14720.076*
H25C1.16751.03140.15380.076*
C11A0.99067 (19)1.0334 (2)0.3321 (2)0.0445 (6)
H11A1.02681.09940.34230.053*
H11B0.95301.03770.27580.053*
C12A0.91727 (19)1.0190 (2)0.4008 (2)0.0430 (6)
H12A0.86701.07470.39490.052*
H12B0.95371.02570.45740.052*
C13A0.86364 (16)0.91191 (19)0.39464 (15)0.0333 (5)
H13A0.82480.90890.33800.040*
C14A0.94152 (16)0.81979 (18)0.39779 (15)0.0330 (4)
C27A1.00401 (19)0.8173 (2)0.48636 (16)0.0434 (6)
H27A0.95950.82340.53160.065*
H27B1.05090.87510.49000.065*
H27C1.04040.75190.49250.065*
C15A0.88247 (19)0.7147 (2)0.38937 (19)0.0433 (6)
H15A0.84520.71190.33280.052*
H15B0.93030.65670.39290.052*
C16A0.8090 (2)0.6995 (2)0.4580 (2)0.0475 (6)
H16A0.84730.68870.51340.057*
H16B0.76980.63610.44470.057*
C17A0.73689 (17)0.7918 (2)0.46578 (16)0.0391 (5)
C18A0.78804 (17)0.90099 (19)0.46337 (15)0.0348 (5)
H18A0.82140.91780.52050.042*
C19A0.69298 (17)0.9692 (2)0.44596 (16)0.0390 (5)
H19A0.71061.03870.42400.047*
C20A0.63477 (19)0.9810 (3)0.52715 (17)0.0464 (6)
C29A0.5409 (2)1.0501 (3)0.5060 (2)0.0584 (8)
H29A0.56151.11910.48890.088*
H29B0.50391.05580.55620.088*
H29C0.49881.01850.45960.088*
C30A0.7016 (3)1.0367 (3)0.5986 (2)0.0630 (9)
H30A0.75230.98850.62280.095*
H30B0.66081.05990.64300.095*
H30C0.73381.09650.57470.095*
C21A0.6028 (2)0.8707 (3)0.5547 (2)0.0594 (8)
H21A0.58430.87430.61370.071*
H21B0.54300.84980.51830.071*
C22A0.6834 (2)0.7858 (3)0.54953 (19)0.0522 (7)
H22A0.65220.71700.55330.063*
H22B0.73320.79320.59870.063*
C28A0.65841 (19)0.8003 (2)0.38829 (19)0.0474 (6)
H28A0.68620.77520.33630.057*
H28B0.59920.75850.39770.057*
O3A1.48053 (13)1.00257 (17)0.26184 (14)0.0501 (5)
H3A11.52400.97070.29230.075*
O19A0.63221 (13)0.91049 (17)0.38001 (12)0.0462 (4)
C1B−0.2473 (3)0.2089 (3)0.1513 (3)0.0712 (11)
H1B1−0.25250.19060.09040.085*
H1B2−0.20030.15990.18130.085*
C2B−0.3505 (3)0.1957 (3)0.1856 (3)0.0715 (10)
H2B1−0.39910.24090.15320.086*
H2B2−0.37290.12320.17760.086*
C3B−0.3458 (2)0.2240 (3)0.2808 (2)0.0570 (8)
H3B−0.29840.17560.31250.068*
C4B−0.3095 (2)0.3373 (2)0.29996 (19)0.0486 (6)
C23B−0.3896 (2)0.4190 (3)0.2711 (3)0.0698 (9)
H23D−0.41150.40820.21110.105*
H23E−0.36160.48850.27880.105*
H23F−0.44620.41170.30500.105*
C24B−0.2904 (3)0.3460 (4)0.3991 (2)0.0769 (11)
H24D−0.27400.41770.41470.115*
H24E−0.23520.30080.41900.115*
H24F−0.35010.32500.42530.115*
C5B−0.20754 (18)0.3516 (2)0.25790 (17)0.0408 (5)
H5B−0.16170.30120.28900.049*
C6B−0.1576 (2)0.4583 (3)0.2765 (2)0.0610 (8)
H6B1−0.16250.47710.33650.073*
H6B2−0.19240.51190.24060.073*
C7B−0.0463 (2)0.4541 (3)0.2579 (2)0.0583 (8)
H7B1−0.01130.40450.29760.070*
H7B2−0.01650.52310.26930.070*
C8B−0.02884 (19)0.4216 (2)0.16479 (19)0.0418 (5)
C26B−0.0611 (3)0.5157 (3)0.1055 (3)0.0720 (11)
H26D−0.05210.49770.04660.108*
H26E−0.02030.57610.12230.108*
H26F−0.13090.53180.11080.108*
C9B−0.09107 (18)0.3195 (2)0.14203 (15)0.0388 (5)
H9B−0.05950.26510.18030.047*
C10B−0.20469 (19)0.3209 (2)0.16231 (17)0.0444 (6)
C25B−0.2713 (2)0.3952 (4)0.0998 (2)0.0739 (11)
H25D−0.24620.39440.04360.111*
H25E−0.26850.46590.12220.111*
H25F−0.34000.37080.09530.111*
C11B−0.0740 (2)0.2824 (3)0.05069 (18)0.0598 (9)
H11C−0.11280.21860.03760.072*
H11D−0.09790.33610.00930.072*
C12B0.0367 (2)0.2607 (3)0.0419 (2)0.0569 (8)
H12C0.04500.2402−0.01720.068*
H12D0.05830.20180.07900.068*
C13B0.10390 (18)0.3549 (2)0.06550 (15)0.0394 (5)
H13B0.08290.41110.02440.047*
C14B0.08792 (18)0.39761 (19)0.15696 (16)0.0372 (5)
C27B0.1273 (2)0.3165 (3)0.22556 (17)0.0516 (7)
H27D0.19140.28970.21150.077*
H27E0.07990.25930.22670.077*
H27F0.13500.34970.28130.077*
C15B0.1532 (2)0.4977 (2)0.1723 (2)0.0571 (8)
H15C0.12880.55150.13120.069*
H15D0.14530.52440.22990.069*
C16B0.2653 (2)0.4786 (3)0.1634 (2)0.0636 (9)
H16C0.29250.43470.21110.076*
H16D0.30050.54570.16780.076*
C17B0.2866 (2)0.4255 (2)0.07837 (19)0.0492 (6)
C18B0.21616 (19)0.3323 (2)0.05480 (15)0.0396 (5)
H18B0.23840.27030.08910.048*
C19B0.2399 (2)0.3173 (3)−0.03868 (18)0.0620 (9)
H19B0.18680.2753−0.07030.074*
C20B0.3440 (3)0.2659 (4)−0.0460 (2)0.0688 (10)
C29B0.3596 (4)0.2538 (6)−0.1423 (3)0.115 (2)
H29D0.35690.3220−0.16940.173*
H29E0.30730.2097−0.16950.173*
H29F0.42420.2221−0.14820.173*
C30B0.3482 (4)0.1572 (4)−0.0041 (4)0.0938 (14)
H30D0.39970.1158−0.02770.141*
H30E0.28400.1228−0.01550.141*
H30F0.36350.16440.05720.141*
C21B0.4246 (2)0.3413 (4)−0.0031 (2)0.0659 (9)
H21C0.48820.30360.00680.079*
H21D0.43470.3992−0.04230.079*
C22B0.3958 (2)0.3857 (3)0.0823 (2)0.0608 (8)
H22C0.44110.44350.09950.073*
H22D0.40510.33130.12620.073*
C28B0.2655 (3)0.4934 (3)−0.0014 (3)0.0750 (11)
H28C0.21040.54180.00620.090*
H28D0.32500.5341−0.01220.090*
O3B−0.4427 (2)0.2113 (2)0.3131 (2)0.0794 (8)
H3B1−0.45990.14930.30900.119*
O19B0.2390 (2)0.4238 (3)−0.07185 (16)0.0825 (9)
U11U22U33U12U13U23
C1A0.0370 (12)0.0286 (11)0.0573 (15)−0.0037 (9)0.0131 (11)0.0015 (10)
C2A0.0405 (13)0.0349 (12)0.0575 (15)−0.0081 (10)0.0151 (11)0.0023 (11)
C3A0.0307 (11)0.0408 (13)0.0431 (12)−0.0083 (10)0.0061 (9)0.0012 (10)
C4A0.0303 (10)0.0366 (12)0.0424 (12)−0.0021 (9)0.0068 (9)−0.0029 (10)
C23A0.0501 (15)0.0683 (19)0.0447 (14)−0.0031 (14)0.0178 (12)−0.0087 (13)
C24A0.0324 (12)0.0425 (14)0.079 (2)0.0015 (11)0.0106 (12)0.0039 (13)
C5A0.0277 (10)0.0303 (11)0.0350 (11)−0.0034 (9)0.0039 (8)−0.0024 (9)
C6A0.0332 (11)0.0328 (12)0.0571 (15)−0.0037 (9)0.0087 (10)−0.0124 (11)
C7A0.0317 (11)0.0273 (11)0.0655 (16)−0.0036 (9)0.0124 (11)−0.0051 (11)
C8A0.0259 (10)0.0328 (11)0.0406 (11)−0.0017 (8)0.0022 (8)−0.0032 (9)
C26A0.0348 (12)0.0666 (18)0.0418 (13)−0.0087 (12)0.0005 (9)−0.0081 (12)
C9A0.0286 (10)0.0286 (11)0.0392 (11)−0.0003 (8)0.0041 (8)0.0003 (9)
C10A0.0316 (10)0.0313 (11)0.0368 (11)0.0005 (9)0.0043 (8)0.0042 (9)
C25A0.0412 (13)0.0647 (19)0.0463 (14)0.0044 (13)0.0030 (11)0.0171 (13)
C11A0.0365 (12)0.0308 (12)0.0681 (17)0.0038 (10)0.0145 (12)0.0092 (12)
C12A0.0349 (12)0.0298 (12)0.0662 (17)−0.0004 (10)0.0155 (11)−0.0025 (11)
C13A0.0276 (10)0.0326 (11)0.0399 (12)−0.0002 (9)0.0044 (8)0.0012 (9)
C14A0.0276 (10)0.0288 (10)0.0426 (12)−0.0007 (8)0.0038 (8)0.0003 (9)
C27A0.0361 (11)0.0497 (15)0.0440 (13)0.0024 (11)0.0018 (9)0.0052 (12)
C15A0.0370 (12)0.0317 (12)0.0622 (16)−0.0041 (10)0.0096 (11)−0.0029 (11)
C16A0.0417 (13)0.0362 (13)0.0656 (17)−0.0055 (11)0.0098 (12)0.0070 (12)
C17A0.0315 (11)0.0414 (13)0.0448 (13)−0.0054 (10)0.0059 (9)0.0024 (10)
C18A0.0293 (10)0.0360 (12)0.0392 (12)−0.0017 (9)0.0039 (9)−0.0002 (9)
C19A0.0319 (11)0.0438 (13)0.0414 (12)0.0010 (10)0.0043 (9)0.0001 (11)
C20A0.0374 (12)0.0576 (17)0.0452 (14)0.0042 (12)0.0104 (10)−0.0046 (12)
C29A0.0428 (14)0.074 (2)0.0596 (18)0.0124 (15)0.0118 (13)−0.0085 (16)
C30A0.0633 (19)0.079 (2)0.0469 (16)0.0099 (17)0.0034 (14)−0.0166 (15)
C21A0.0505 (15)0.069 (2)0.0625 (18)−0.0006 (15)0.0262 (13)0.0029 (16)
C22A0.0479 (14)0.0561 (17)0.0547 (16)−0.0056 (13)0.0173 (12)0.0106 (13)
C28A0.0357 (12)0.0511 (15)0.0546 (15)−0.0044 (11)−0.0004 (10)−0.0086 (12)
O3A0.0318 (8)0.0523 (11)0.0673 (12)−0.0081 (8)0.0104 (8)0.0076 (10)
O19A0.0380 (9)0.0549 (11)0.0442 (10)0.0065 (8)−0.0049 (7)−0.0054 (8)
C1B0.064 (2)0.067 (2)0.086 (2)−0.0353 (18)0.0331 (18)−0.0368 (19)
C2B0.0626 (19)0.066 (2)0.089 (3)−0.0335 (17)0.0255 (18)−0.0284 (19)
C3B0.0506 (16)0.0530 (17)0.0701 (19)−0.0124 (14)0.0211 (14)−0.0017 (15)
C4B0.0413 (13)0.0477 (15)0.0575 (15)−0.0065 (12)0.0084 (11)−0.0075 (13)
C23B0.0454 (16)0.063 (2)0.104 (3)0.0024 (15)0.0206 (17)0.000 (2)
C24B0.0607 (19)0.112 (3)0.0605 (19)−0.023 (2)0.0180 (15)−0.017 (2)
C5B0.0352 (11)0.0368 (12)0.0504 (14)−0.0047 (10)0.0035 (10)−0.0068 (11)
C6B0.0501 (16)0.0507 (17)0.085 (2)−0.0141 (14)0.0227 (15)−0.0233 (16)
C7B0.0470 (15)0.0514 (16)0.079 (2)−0.0181 (13)0.0180 (14)−0.0327 (15)
C8B0.0379 (12)0.0282 (11)0.0590 (15)−0.0054 (9)0.0026 (10)0.0031 (11)
C26B0.0490 (16)0.0510 (18)0.117 (3)0.0050 (14)0.0129 (18)0.037 (2)
C9B0.0401 (12)0.0371 (12)0.0388 (12)−0.0108 (10)0.0009 (9)−0.0040 (10)
C10B0.0393 (12)0.0494 (15)0.0443 (13)−0.0125 (11)0.0024 (10)−0.0038 (12)
C25B0.0444 (16)0.111 (3)0.065 (2)−0.0022 (18)−0.0034 (14)0.022 (2)
C11B0.0533 (16)0.083 (2)0.0436 (14)−0.0297 (16)0.0066 (12)−0.0196 (15)
C12B0.0573 (16)0.0645 (19)0.0505 (15)−0.0237 (15)0.0146 (13)−0.0230 (14)
C13B0.0390 (12)0.0444 (13)0.0340 (11)−0.0114 (10)−0.0013 (9)0.0048 (10)
C14B0.0364 (11)0.0314 (11)0.0430 (12)−0.0055 (9)−0.0002 (9)−0.0040 (9)
C27B0.0461 (14)0.0678 (19)0.0398 (13)0.0066 (14)−0.0015 (10)0.0051 (13)
C15B0.0489 (15)0.0438 (15)0.080 (2)−0.0155 (12)0.0113 (14)−0.0201 (15)
C16B0.0478 (15)0.062 (2)0.082 (2)−0.0183 (15)0.0073 (14)−0.0259 (17)
C17B0.0407 (13)0.0497 (16)0.0568 (16)−0.0121 (12)0.0028 (11)−0.0006 (13)
C18B0.0423 (12)0.0441 (14)0.0320 (11)−0.0060 (11)0.0003 (9)0.0004 (10)
C19B0.0491 (15)0.099 (3)0.0386 (14)−0.0242 (17)0.0072 (11)−0.0054 (16)
C20B0.0576 (18)0.098 (3)0.0538 (17)−0.0161 (19)0.0226 (14)−0.0196 (18)
C29B0.083 (3)0.201 (7)0.067 (2)−0.040 (4)0.036 (2)−0.049 (3)
C30B0.090 (3)0.079 (3)0.120 (4)0.003 (2)0.045 (3)−0.023 (3)
C21B0.0448 (15)0.095 (3)0.0585 (18)−0.0074 (17)0.0080 (13)0.0002 (18)
C22B0.0371 (13)0.080 (2)0.0638 (18)−0.0079 (15)−0.0007 (12)−0.0097 (17)
C28B0.0590 (19)0.069 (2)0.098 (3)−0.0090 (17)0.0142 (19)0.035 (2)
O3B0.0670 (14)0.0738 (16)0.1036 (19)−0.0283 (13)0.0428 (14)−0.0159 (15)
O19B0.0687 (15)0.127 (3)0.0513 (13)−0.0092 (16)0.0022 (11)0.0403 (15)
C1A—C2A1.535 (3)C1B—C2B1.522 (4)
C1A—C10A1.546 (3)C1B—C10B1.532 (4)
C1A—H1A10.9700C1B—H1B10.9700
C1A—H1A20.9700C1B—H1B20.9700
C2A—C3A1.503 (4)C2B—C3B1.518 (5)
C2A—H2A10.9700C2B—H2B10.9700
C2A—H2A20.9700C2B—H2B20.9700
C3A—O3A1.438 (3)C3B—O3B1.431 (4)
C3A—C4A1.544 (3)C3B—C4B1.535 (4)
C3A—H3A0.9800C3B—H3B0.9800
C4A—C23A1.534 (4)C4B—C23B1.523 (5)
C4A—C24A1.539 (4)C4B—C24B1.542 (5)
C4A—C5A1.560 (3)C4B—C5B1.565 (4)
C23A—H23A0.9600C23B—H23D0.9600
C23A—H23B0.9600C23B—H23E0.9600
C23A—H23C0.9600C23B—H23F0.9600
C24A—H24A0.9600C24B—H24D0.9600
C24A—H24B0.9600C24B—H24E0.9600
C24A—H24C0.9600C24B—H24F0.9600
C5A—C6A1.525 (3)C5B—C6B1.521 (4)
C5A—C10A1.558 (3)C5B—C10B1.538 (4)
C5A—H5A0.9800C5B—H5B0.9800
C6A—C7A1.523 (3)C6B—C7B1.532 (4)
C6A—H6A10.9700C6B—H6B10.9700
C6A—H6A20.9700C6B—H6B20.9700
C7A—C8A1.537 (3)C7B—C8B1.540 (4)
C7A—H7A10.9700C7B—H7B10.9700
C7A—H7A20.9700C7B—H7B20.9700
C8A—C26A1.546 (3)C8B—C26B1.543 (4)
C8A—C9A1.560 (3)C8B—C9B1.559 (3)
C8A—C14A1.597 (3)C8B—C14B1.595 (3)
C26A—H26A0.9600C26B—H26D0.9600
C26A—H26B0.9600C26B—H26E0.9600
C26A—H26C0.9600C26B—H26F0.9600
C9A—C11A1.537 (3)C9B—C11B1.529 (4)
C9A—C10A1.572 (3)C9B—C10B1.568 (3)
C9A—H9A0.9800C9B—H9B0.9800
C10A—C25A1.538 (3)C10B—C25B1.569 (5)
C25A—H25A0.9600C25B—H25D0.9600
C25A—H25B0.9600C25B—H25E0.9600
C25A—H25C0.9600C25B—H25F0.9600
C11A—C12A1.517 (4)C11B—C12B1.514 (4)
C11A—H11A0.9700C11B—H11C0.9700
C11A—H11B0.9700C11B—H11D0.9700
C12A—C13A1.532 (3)C12B—C13B1.516 (4)
C12A—H12A0.9700C12B—H12C0.9700
C12A—H12B0.9700C12B—H12D0.9700
C13A—C18A1.534 (3)C13B—C18B1.542 (4)
C13A—C14A1.558 (3)C13B—C14B1.551 (3)
C13A—H13A0.9800C13B—H13B0.9800
C14A—C27A1.543 (3)C14B—C27B1.539 (4)
C14A—C15A1.545 (3)C14B—C15B1.543 (3)
C27A—H27A0.9600C27B—H27D0.9600
C27A—H27B0.9600C27B—H27E0.9600
C27A—H27C0.9600C27B—H27F0.9600
C15A—C16A1.518 (4)C15B—C16B1.527 (4)
C15A—H15A0.9700C15B—H15C0.9700
C15A—H15B0.9700C15B—H15D0.9700
C16A—C17A1.523 (4)C16B—C17B1.529 (4)
C16A—H16A0.9700C16B—H16C0.9700
C16A—H16B0.9700C16B—H16D0.9700
C17A—C28A1.525 (4)C17B—C28B1.514 (5)
C17A—C22A1.537 (4)C17B—C18B1.532 (4)
C17A—C18A1.544 (3)C17B—C22B1.533 (4)
C18A—C19A1.534 (3)C18B—C19B1.523 (4)
C18A—H18A0.9800C18B—H18B0.9800
C19A—O19A1.452 (3)C19B—O19B1.444 (5)
C19A—C20A1.542 (3)C19B—C20B1.541 (5)
C19A—H19A0.9800C19B—H19B0.9800
C20A—C30A1.531 (4)C20B—C30B1.522 (7)
C20A—C21A1.533 (5)C20B—C29B1.535 (5)
C20A—C29A1.535 (4)C20B—C21B1.542 (5)
C29A—H29A0.9600C29B—H29D0.9600
C29A—H29B0.9600C29B—H29E0.9600
C29A—H29C0.9600C29B—H29F0.9600
C30A—H30A0.9600C30B—H30D0.9600
C30A—H30B0.9600C30B—H30E0.9600
C30A—H30C0.9600C30B—H30F0.9600
C21A—C22A1.524 (5)C21B—C22B1.519 (5)
C21A—H21A0.9700C21B—H21C0.9700
C21A—H21B0.9700C21B—H21D0.9700
C22A—H22A0.9700C22B—H22C0.9700
C22A—H22B0.9700C22B—H22D0.9700
C28A—O19A1.442 (4)C28B—O19B1.424 (5)
C28A—H28A0.9700C28B—H28C0.9700
C28A—H28B0.9700C28B—H28D0.9700
O3A—H3A10.8200O3B—H3B10.8200
C2A—C1A—C10A113.4 (2)C2B—C1B—C10B113.4 (3)
C2A—C1A—H1A1108.9C2B—C1B—H1B1108.9
C10A—C1A—H1A1108.9C10B—C1B—H1B1108.9
C2A—C1A—H1A2108.9C2B—C1B—H1B2108.9
C10A—C1A—H1A2108.9C10B—C1B—H1B2108.9
H1A1—C1A—H1A2107.7H1B1—C1B—H1B2107.7
C3A—C2A—C1A110.3 (2)C3B—C2B—C1B110.6 (3)
C3A—C2A—H2A1109.6C3B—C2B—H2B1109.5
C1A—C2A—H2A1109.6C1B—C2B—H2B1109.5
C3A—C2A—H2A2109.6C3B—C2B—H2B2109.5
C1A—C2A—H2A2109.6C1B—C2B—H2B2109.5
H2A1—C2A—H2A2108.1H2B1—C2B—H2B2108.1
O3A—C3A—C2A107.9 (2)O3B—C3B—C2B110.7 (3)
O3A—C3A—C4A112.9 (2)O3B—C3B—C4B108.3 (3)
C2A—C3A—C4A113.49 (19)C2B—C3B—C4B113.3 (3)
O3A—C3A—H3A107.4O3B—C3B—H3B108.2
C2A—C3A—H3A107.4C2B—C3B—H3B108.2
C4A—C3A—H3A107.4C4B—C3B—H3B108.2
C23A—C4A—C24A107.7 (2)C23B—C4B—C3B112.3 (3)
C23A—C4A—C3A111.4 (2)C23B—C4B—C24B107.2 (3)
C24A—C4A—C3A107.50 (19)C3B—C4B—C24B106.4 (3)
C23A—C4A—C5A115.2 (2)C23B—C4B—C5B114.0 (3)
C24A—C4A—C5A108.6 (2)C3B—C4B—C5B107.2 (2)
C3A—C4A—C5A106.31 (18)C24B—C4B—C5B109.6 (2)
C4A—C23A—H23A109.5C4B—C23B—H23D109.5
C4A—C23A—H23B109.5C4B—C23B—H23E109.5
H23A—C23A—H23B109.5H23D—C23B—H23E109.5
C4A—C23A—H23C109.5C4B—C23B—H23F109.5
H23A—C23A—H23C109.5H23D—C23B—H23F109.5
H23B—C23A—H23C109.5H23E—C23B—H23F109.5
C4A—C24A—H24A109.5C4B—C24B—H24D109.5
C4A—C24A—H24B109.5C4B—C24B—H24E109.5
H24A—C24A—H24B109.5H24D—C24B—H24E109.5
C4A—C24A—H24C109.5C4B—C24B—H24F109.5
H24A—C24A—H24C109.5H24D—C24B—H24F109.5
H24B—C24A—H24C109.5H24E—C24B—H24F109.5
C6A—C5A—C10A110.85 (17)C6B—C5B—C10B111.1 (2)
C6A—C5A—C4A114.69 (19)C6B—C5B—C4B113.8 (2)
C10A—C5A—C4A117.16 (19)C10B—C5B—C4B117.9 (2)
C6A—C5A—H5A104.1C6B—C5B—H5B104.1
C10A—C5A—H5A104.1C10B—C5B—H5B104.1
C4A—C5A—H5A104.1C4B—C5B—H5B104.1
C7A—C6A—C5A109.95 (19)C5B—C6B—C7B110.2 (2)
C7A—C6A—H6A1109.7C5B—C6B—H6B1109.6
C5A—C6A—H6A1109.7C7B—C6B—H6B1109.6
C7A—C6A—H6A2109.7C5B—C6B—H6B2109.6
C5A—C6A—H6A2109.7C7B—C6B—H6B2109.6
H6A1—C6A—H6A2108.2H6B1—C6B—H6B2108.1
C6A—C7A—C8A114.0 (2)C6B—C7B—C8B114.4 (2)
C6A—C7A—H7A1108.8C6B—C7B—H7B1108.7
C8A—C7A—H7A1108.8C8B—C7B—H7B1108.7
C6A—C7A—H7A2108.8C6B—C7B—H7B2108.7
C8A—C7A—H7A2108.8C8B—C7B—H7B2108.7
H7A1—C7A—H7A2107.7H7B1—C7B—H7B2107.6
C7A—C8A—C26A107.2 (2)C7B—C8B—C26B107.2 (3)
C7A—C8A—C9A108.81 (17)C7B—C8B—C9B108.3 (2)
C26A—C8A—C9A112.0 (2)C26B—C8B—C9B113.1 (2)
C7A—C8A—C14A110.28 (19)C7B—C8B—C14B110.5 (2)
C26A—C8A—C14A110.04 (18)C26B—C8B—C14B108.8 (2)
C9A—C8A—C14A108.49 (17)C9B—C8B—C14B108.9 (2)
C8A—C26A—H26A109.5C8B—C26B—H26D109.5
C8A—C26A—H26B109.5C8B—C26B—H26E109.5
H26A—C26A—H26B109.5H26D—C26B—H26E109.5
C8A—C26A—H26C109.5C8B—C26B—H26F109.5
H26A—C26A—H26C109.5H26D—C26B—H26F109.5
H26B—C26A—H26C109.5H26E—C26B—H26F109.5
C11A—C9A—C8A110.67 (18)C11B—C9B—C8B110.3 (2)
C11A—C9A—C10A114.15 (19)C11B—C9B—C10B114.3 (2)
C8A—C9A—C10A117.04 (19)C8B—C9B—C10B116.5 (2)
C11A—C9A—H9A104.5C11B—C9B—H9B104.8
C8A—C9A—H9A104.5C8B—C9B—H9B104.8
C10A—C9A—H9A104.5C10B—C9B—H9B104.8
C25A—C10A—C1A108.3 (2)C1B—C10B—C5B107.6 (2)
C25A—C10A—C5A114.6 (2)C1B—C10B—C9B108.6 (2)
C1A—C10A—C5A106.66 (17)C5B—C10B—C9B107.56 (19)
C25A—C10A—C9A112.66 (19)C1B—C10B—C25B107.7 (3)
C1A—C10A—C9A107.49 (19)C5B—C10B—C25B112.6 (3)
C5A—C10A—C9A106.78 (18)C9B—C10B—C25B112.5 (2)
C10A—C25A—H25A109.5C10B—C25B—H25D109.5
C10A—C25A—H25B109.5C10B—C25B—H25E109.5
H25A—C25A—H25B109.5H25D—C25B—H25E109.5
C10A—C25A—H25C109.5C10B—C25B—H25F109.5
H25A—C25A—H25C109.5H25D—C25B—H25F109.5
H25B—C25A—H25C109.5H25E—C25B—H25F109.5
C12A—C11A—C9A112.3 (2)C12B—C11B—C9B111.2 (2)
C12A—C11A—H11A109.1C12B—C11B—H11C109.4
C9A—C11A—H11A109.1C9B—C11B—H11C109.4
C12A—C11A—H11B109.1C12B—C11B—H11D109.4
C9A—C11A—H11B109.1C9B—C11B—H11D109.4
H11A—C11A—H11B107.9H11C—C11B—H11D108.0
C11A—C12A—C13A112.7 (2)C11B—C12B—C13B113.0 (3)
C11A—C12A—H12A109.0C11B—C12B—H12C109.0
C13A—C12A—H12A109.0C13B—C12B—H12C109.0
C11A—C12A—H12B109.0C11B—C12B—H12D109.0
C13A—C12A—H12B109.0C13B—C12B—H12D109.0
H12A—C12A—H12B107.8H12C—C12B—H12D107.8
C12A—C13A—C18A111.5 (2)C12B—C13B—C18B112.5 (2)
C12A—C13A—C14A110.98 (17)C12B—C13B—C14B111.8 (2)
C18A—C13A—C14A112.58 (19)C18B—C13B—C14B111.98 (18)
C12A—C13A—H13A107.2C12B—C13B—H13B106.7
C18A—C13A—H13A107.2C18B—C13B—H13B106.7
C14A—C13A—H13A107.2C14B—C13B—H13B106.7
C27A—C14A—C15A106.7 (2)C27B—C14B—C15B106.8 (2)
C27A—C14A—C13A110.32 (19)C27B—C14B—C13B109.6 (2)
C15A—C14A—C13A108.20 (17)C15B—C14B—C13B108.0 (2)
C27A—C14A—C8A111.64 (18)C27B—C14B—C8B110.4 (2)
C15A—C14A—C8A111.18 (19)C15B—C14B—C8B111.6 (2)
C13A—C14A—C8A108.73 (18)C13B—C14B—C8B110.35 (19)
C14A—C27A—H27A109.5C14B—C27B—H27D109.5
C14A—C27A—H27B109.5C14B—C27B—H27E109.5
H27A—C27A—H27B109.5H27D—C27B—H27E109.5
C14A—C27A—H27C109.5C14B—C27B—H27F109.5
H27A—C27A—H27C109.5H27D—C27B—H27F109.5
H27B—C27A—H27C109.5H27E—C27B—H27F109.5
C16A—C15A—C14A113.7 (2)C16B—C15B—C14B113.2 (2)
C16A—C15A—H15A108.8C16B—C15B—H15C108.9
C14A—C15A—H15A108.8C14B—C15B—H15C108.9
C16A—C15A—H15B108.8C16B—C15B—H15D108.9
C14A—C15A—H15B108.8C14B—C15B—H15D108.9
H15A—C15A—H15B107.7H15C—C15B—H15D107.7
C15A—C16A—C17A113.9 (2)C15B—C16B—C17B113.8 (2)
C15A—C16A—H16A108.8C15B—C16B—H16C108.8
C17A—C16A—H16A108.8C17B—C16B—H16C108.8
C15A—C16A—H16B108.8C15B—C16B—H16D108.8
C17A—C16A—H16B108.8C17B—C16B—H16D108.8
H16A—C16A—H16B107.7H16C—C16B—H16D107.7
C16A—C17A—C28A112.5 (2)C28B—C17B—C16B114.9 (3)
C16A—C17A—C22A111.7 (2)C28B—C17B—C18B100.2 (2)
C28A—C17A—C22A109.6 (2)C16B—C17B—C18B113.0 (2)
C16A—C17A—C18A113.90 (18)C28B—C17B—C22B109.1 (3)
C28A—C17A—C18A100.9 (2)C16B—C17B—C22B110.9 (2)
C22A—C17A—C18A107.5 (2)C18B—C17B—C22B108.2 (3)
C13A—C18A—C19A113.9 (2)C19B—C18B—C17B98.7 (2)
C13A—C18A—C17A114.4 (2)C19B—C18B—C13B114.1 (2)
C19A—C18A—C17A98.75 (18)C17B—C18B—C13B114.0 (2)
C13A—C18A—H18A109.8C19B—C18B—H18B109.9
C19A—C18A—H18A109.8C17B—C18B—H18B109.9
C17A—C18A—H18A109.8C13B—C18B—H18B109.9
O19A—C19A—C18A103.5 (2)O19B—C19B—C18B103.1 (3)
O19A—C19A—C20A109.8 (2)O19B—C19B—C20B110.3 (3)
C18A—C19A—C20A112.0 (2)C18B—C19B—C20B112.6 (3)
O19A—C19A—H19A110.5O19B—C19B—H19B110.2
C18A—C19A—H19A110.5C18B—C19B—H19B110.2
C20A—C19A—H19A110.5C20B—C19B—H19B110.2
C30A—C20A—C21A112.1 (3)C30B—C20B—C29B108.7 (4)
C30A—C20A—C29A107.6 (3)C30B—C20B—C19B110.5 (3)
C21A—C20A—C29A109.9 (2)C29B—C20B—C19B108.2 (3)
C30A—C20A—C19A109.6 (2)C30B—C20B—C21B112.2 (4)
C21A—C20A—C19A108.1 (2)C29B—C20B—C21B109.6 (3)
C29A—C20A—C19A109.6 (2)C19B—C20B—C21B107.5 (3)
C20A—C29A—H29A109.5C20B—C29B—H29D109.5
C20A—C29A—H29B109.5C20B—C29B—H29E109.5
H29A—C29A—H29B109.5H29D—C29B—H29E109.5
C20A—C29A—H29C109.5C20B—C29B—H29F109.5
H29A—C29A—H29C109.5H29D—C29B—H29F109.5
H29B—C29A—H29C109.5H29E—C29B—H29F109.5
C20A—C30A—H30A109.5C20B—C30B—H30D109.5
C20A—C30A—H30B109.5C20B—C30B—H30E109.5
H30A—C30A—H30B109.5H30D—C30B—H30E109.5
C20A—C30A—H30C109.5C20B—C30B—H30F109.5
H30A—C30A—H30C109.5H30D—C30B—H30F109.5
H30B—C30A—H30C109.5H30E—C30B—H30F109.5
C22A—C21A—C20A114.5 (2)C22B—C21B—C20B112.8 (3)
C22A—C21A—H21A108.6C22B—C21B—H21C109.0
C20A—C21A—H21A108.6C20B—C21B—H21C109.0
C22A—C21A—H21B108.6C22B—C21B—H21D109.0
C20A—C21A—H21B108.6C20B—C21B—H21D109.0
H21A—C21A—H21B107.6H21C—C21B—H21D107.8
C21A—C22A—C17A112.9 (2)C21B—C22B—C17B113.4 (3)
C21A—C22A—H22A109.0C21B—C22B—H22C108.9
C17A—C22A—H22A109.0C17B—C22B—H22C108.9
C21A—C22A—H22B109.0C21B—C22B—H22D108.9
C17A—C22A—H22B109.0C17B—C22B—H22D108.9
H22A—C22A—H22B107.8H22C—C22B—H22D107.7
O19A—C28A—C17A106.4 (2)O19B—C28B—C17B107.0 (3)
O19A—C28A—H28A110.5O19B—C28B—H28C110.3
C17A—C28A—H28A110.5C17B—C28B—H28C110.3
O19A—C28A—H28B110.5O19B—C28B—H28D110.3
C17A—C28A—H28B110.5C17B—C28B—H28D110.3
H28A—C28A—H28B108.6H28C—C28B—H28D108.6
C3A—O3A—H3A1109.5C3B—O3B—H3B1109.5
C28A—O19A—C19A108.55 (19)C28B—O19B—C19B108.1 (2)
C10A—C1A—C2A—C3A−58.3 (3)C10B—C1B—C2B—C3B−58.4 (5)
C1A—C2A—C3A—O3A−174.8 (2)C1B—C2B—C3B—O3B−179.8 (3)
C1A—C2A—C3A—C4A59.4 (3)C1B—C2B—C3B—C4B58.4 (4)
O3A—C3A—C4A—C23A−52.3 (3)O3B—C3B—C4B—C23B−49.9 (4)
C2A—C3A—C4A—C23A70.9 (3)C2B—C3B—C4B—C23B73.2 (4)
O3A—C3A—C4A—C24A65.4 (3)O3B—C3B—C4B—C24B67.1 (3)
C2A—C3A—C4A—C24A−171.4 (2)C2B—C3B—C4B—C24B−169.8 (3)
O3A—C3A—C4A—C5A−178.45 (19)O3B—C3B—C4B—C5B−175.8 (3)
C2A—C3A—C4A—C5A−55.3 (3)C2B—C3B—C4B—C5B−52.7 (3)
C23A—C4A—C5A—C6A62.6 (3)C23B—C4B—C5B—C6B59.1 (3)
C24A—C4A—C5A—C6A−58.1 (3)C3B—C4B—C5B—C6B−176.0 (3)
C3A—C4A—C5A—C6A−173.5 (2)C24B—C4B—C5B—C6B−61.0 (4)
C23A—C4A—C5A—C10A−69.9 (3)C23B—C4B—C5B—C10B−73.6 (3)
C24A—C4A—C5A—C10A169.3 (2)C3B—C4B—C5B—C10B51.3 (3)
C3A—C4A—C5A—C10A53.9 (2)C24B—C4B—C5B—C10B166.3 (3)
C10A—C5A—C6A—C7A−63.0 (3)C10B—C5B—C6B—C7B−61.3 (3)
C4A—C5A—C6A—C7A161.6 (2)C4B—C5B—C6B—C7B162.8 (3)
C5A—C6A—C7A—C8A59.0 (3)C5B—C6B—C7B—C8B57.5 (4)
C6A—C7A—C8A—C26A71.5 (3)C6B—C7B—C8B—C26B72.7 (3)
C6A—C7A—C8A—C9A−49.8 (3)C6B—C7B—C8B—C9B−49.6 (3)
C6A—C7A—C8A—C14A−168.72 (19)C6B—C7B—C8B—C14B−168.8 (3)
C7A—C8A—C9A—C11A−178.7 (2)C7B—C8B—C9B—C11B−178.6 (2)
C26A—C8A—C9A—C11A62.9 (3)C26B—C8B—C9B—C11B62.7 (3)
C14A—C8A—C9A—C11A−58.7 (2)C14B—C8B—C9B—C11B−58.4 (3)
C7A—C8A—C9A—C10A48.2 (3)C7B—C8B—C9B—C10B49.0 (3)
C26A—C8A—C9A—C10A−70.2 (2)C26B—C8B—C9B—C10B−69.7 (3)
C14A—C8A—C9A—C10A168.15 (18)C14B—C8B—C9B—C10B169.2 (2)
C2A—C1A—C10A—C25A−70.7 (3)C2B—C1B—C10B—C5B52.9 (4)
C2A—C1A—C10A—C5A53.1 (3)C2B—C1B—C10B—C9B169.0 (3)
C2A—C1A—C10A—C9A167.3 (2)C2B—C1B—C10B—C25B−68.8 (4)
C6A—C5A—C10A—C25A−67.7 (3)C6B—C5B—C10B—C1B174.8 (3)
C4A—C5A—C10A—C25A66.6 (3)C4B—C5B—C10B—C1B−51.3 (3)
C6A—C5A—C10A—C1A172.5 (2)C6B—C5B—C10B—C9B58.0 (3)
C4A—C5A—C10A—C1A−53.2 (2)C4B—C5B—C10B—C9B−168.1 (2)
C6A—C5A—C10A—C9A57.8 (2)C6B—C5B—C10B—C25B−66.6 (3)
C4A—C5A—C10A—C9A−167.93 (18)C4B—C5B—C10B—C25B67.3 (3)
C11A—C9A—C10A—C25A−57.1 (3)C11B—C9B—C10B—C1B59.6 (3)
C8A—C9A—C10A—C25A74.4 (3)C8B—C9B—C10B—C1B−169.8 (3)
C11A—C9A—C10A—C1A62.0 (3)C11B—C9B—C10B—C5B175.8 (3)
C8A—C9A—C10A—C1A−166.42 (19)C8B—C9B—C10B—C5B−53.7 (3)
C11A—C9A—C10A—C5A176.2 (2)C11B—C9B—C10B—C25B−59.6 (4)
C8A—C9A—C10A—C5A−52.3 (2)C8B—C9B—C10B—C25B71.0 (3)
C8A—C9A—C11A—C12A55.8 (3)C8B—C9B—C11B—C12B58.7 (3)
C10A—C9A—C11A—C12A−169.6 (2)C10B—C9B—C11B—C12B−167.8 (3)
C9A—C11A—C12A—C13A−53.6 (3)C9B—C11B—C12B—C13B−56.3 (4)
C11A—C12A—C13A—C18A−178.5 (2)C11B—C12B—C13B—C18B−179.0 (2)
C11A—C12A—C13A—C14A55.1 (3)C11B—C12B—C13B—C14B54.0 (3)
C12A—C13A—C14A—C27A64.8 (3)C12B—C13B—C14B—C27B68.1 (3)
C18A—C13A—C14A—C27A−60.9 (2)C18B—C13B—C14B—C27B−59.1 (3)
C12A—C13A—C14A—C15A−178.8 (2)C12B—C13B—C14B—C15B−175.9 (2)
C18A—C13A—C14A—C15A55.5 (2)C18B—C13B—C14B—C15B56.9 (3)
C12A—C13A—C14A—C8A−57.9 (2)C12B—C13B—C14B—C8B−53.6 (3)
C18A—C13A—C14A—C8A176.36 (18)C18B—C13B—C14B—C8B179.1 (2)
C7A—C8A—C14A—C27A56.9 (3)C7B—C8B—C14B—C27B53.5 (3)
C26A—C8A—C14A—C27A175.0 (2)C26B—C8B—C14B—C27B170.9 (3)
C9A—C8A—C14A—C27A−62.1 (2)C9B—C8B—C14B—C27B−65.4 (3)
C7A—C8A—C14A—C15A−62.1 (2)C7B—C8B—C14B—C15B−65.2 (3)
C26A—C8A—C14A—C15A55.9 (3)C26B—C8B—C14B—C15B52.2 (3)
C9A—C8A—C14A—C15A178.82 (18)C9B—C8B—C14B—C15B175.9 (2)
C7A—C8A—C14A—C13A178.88 (18)C7B—C8B—C14B—C13B174.7 (2)
C26A—C8A—C14A—C13A−63.1 (2)C26B—C8B—C14B—C13B−67.8 (3)
C9A—C8A—C14A—C13A59.8 (2)C9B—C8B—C14B—C13B55.9 (3)
C27A—C14A—C15A—C16A61.8 (3)C27B—C14B—C15B—C16B60.5 (3)
C13A—C14A—C15A—C16A−57.0 (3)C13B—C14B—C15B—C16B−57.2 (3)
C8A—C14A—C15A—C16A−176.3 (2)C8B—C14B—C15B—C16B−178.7 (3)
C14A—C15A—C16A—C17A52.2 (3)C14B—C15B—C16B—C17B52.6 (4)
C15A—C16A—C17A—C28A70.5 (3)C15B—C16B—C17B—C28B68.9 (4)
C15A—C16A—C17A—C22A−165.6 (2)C15B—C16B—C17B—C18B−45.2 (4)
C15A—C16A—C17A—C18A−43.5 (3)C15B—C16B—C17B—C22B−166.8 (3)
C12A—C13A—C18A—C19A71.8 (3)C28B—C17B—C18B—C19B44.3 (3)
C14A—C13A—C18A—C19A−162.71 (19)C16B—C17B—C18B—C19B167.1 (3)
C12A—C13A—C18A—C17A−175.6 (2)C22B—C17B—C18B—C19B−69.8 (3)
C14A—C13A—C18A—C17A−50.1 (3)C28B—C17B—C18B—C13B−77.1 (3)
C16A—C17A—C18A—C13A43.1 (3)C16B—C17B—C18B—C13B45.7 (3)
C28A—C17A—C18A—C13A−77.8 (2)C22B—C17B—C18B—C13B168.8 (2)
C22A—C17A—C18A—C13A167.4 (2)C12B—C13B—C18B—C19B67.9 (3)
C16A—C17A—C18A—C19A164.4 (2)C14B—C13B—C18B—C19B−165.3 (2)
C28A—C17A—C18A—C19A43.6 (2)C12B—C13B—C18B—C17B−179.8 (2)
C22A—C17A—C18A—C19A−71.2 (2)C14B—C13B—C18B—C17B−52.9 (3)
C13A—C18A—C19A—O19A78.2 (2)C17B—C18B—C19B—O19B−44.7 (3)
C17A—C18A—C19A—O19A−43.5 (2)C13B—C18B—C19B—O19B76.6 (3)
C13A—C18A—C19A—C20A−163.6 (2)C17B—C18B—C19B—C20B74.2 (3)
C17A—C18A—C19A—C20A74.6 (2)C13B—C18B—C19B—C20B−164.5 (3)
O19A—C19A—C20A—C30A176.4 (3)O19B—C19B—C20B—C30B175.2 (3)
C18A—C19A—C20A—C30A62.0 (3)C18B—C19B—C20B—C30B60.6 (4)
O19A—C19A—C20A—C21A54.0 (3)O19B—C19B—C20B—C29B−65.9 (4)
C18A—C19A—C20A—C21A−60.4 (3)C18B—C19B—C20B—C29B179.5 (4)
O19A—C19A—C20A—C29A−65.8 (3)O19B—C19B—C20B—C21B52.4 (3)
C18A—C19A—C20A—C29A179.8 (2)C18B—C19B—C20B—C21B−62.2 (4)
C30A—C20A—C21A—C22A−79.1 (3)C30B—C20B—C21B—C22B−77.8 (4)
C29A—C20A—C21A—C22A161.3 (3)C29B—C20B—C21B—C22B161.3 (4)
C19A—C20A—C21A—C22A41.8 (3)C19B—C20B—C21B—C22B43.9 (4)
C20A—C21A—C22A—C17A−44.1 (4)C20B—C21B—C22B—C17B−46.1 (5)
C16A—C17A—C22A—C21A−174.1 (2)C28B—C17B—C22B—C21B−47.1 (4)
C28A—C17A—C22A—C21A−48.6 (3)C16B—C17B—C22B—C21B−174.6 (3)
C18A—C17A—C22A—C21A60.3 (3)C18B—C17B—C22B—C21B61.0 (4)
C16A—C17A—C28A—O19A−151.2 (2)C16B—C17B—C28B—O19B−151.1 (3)
C22A—C17A—C28A—O19A83.8 (3)C18B—C17B—C28B—O19B−29.7 (3)
C18A—C17A—C28A—O19A−29.4 (3)C22B—C17B—C28B—O19B83.7 (3)
C17A—C28A—O19A—C19A2.1 (3)C17B—C28B—O19B—C19B1.7 (4)
C18A—C19A—O19A—C28A26.6 (3)C18B—C19B—O19B—C28B27.5 (3)
C20A—C19A—O19A—C28A−93.1 (2)C20B—C19B—O19B—C28B−93.0 (3)
D—H···AD—HH···AD···AD—H···A
O3A—H3A1···O19Ai0.822.042.853 (3)171
O3B—H3B1···O3Aii0.822.122.920 (3)164
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
O3A—H3A1⋯O19Ai0.822.042.853 (3)171
O3B—H3B1⋯O3Aii0.822.122.920 (3)164

Symmetry codes: (i) ; (ii) .

  5 in total

1.  A short history of SHELX.

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

2.  Triterpenoid pyrazines and benzopyrazines with cytotoxic activity.

Authors:  Milan Urban; Jan Sarek; Miroslav Kvasnica; Iva Tislerova; Marian Hajduch
Journal:  J Nat Prod       Date:  2007-03-20       Impact factor: 4.050

3.  Synthesis and structure-activity relationship study of cytotoxic germanicane- and lupane-type 3beta-O-monodesmosidic saponins starting from betulin.

Authors:  Dominic Thibeault; Charles Gauthier; Jean Legault; Jimmy Bouchard; Philippe Dufour; André Pichette
Journal:  Bioorg Med Chem       Date:  2007-06-20       Impact factor: 3.641

4.  Bismuth triflate-catalyzed Wagner-Meerwein rearrangement in terpenes. Application to the synthesis of the 18alpha-oleanane core and A-neo-18alpha-oleanene compounds from lupanes.

Authors:  Jorge A R Salvador; Rui M A Pinto; Rita C Santos; Christophe Le Roux; Ana Matos Beja; José A Paixão
Journal:  Org Biomol Chem       Date:  2008-12-09       Impact factor: 3.876

5.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
  5 in total
  2 in total

Review 1.  Allobetulin and its derivatives: synthesis and biological activity.

Authors:  Wim Dehaen; Anastassiya A Mashentseva; Talgat S Seitembetov
Journal:  Molecules       Date:  2011-03-14       Impact factor: 4.411

Review 2.  Bismuth(III) reagents in steroid and terpene chemistry.

Authors:  Jorge A R Salvador; Samuel M Silvestre; Rui M A Pinto
Journal:  Molecules       Date:  2011-04-04       Impact factor: 4.411

  2 in total

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