#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/20/26/2202625.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2202625 loop_ _publ_author_name 'Sampson, Rebecca A.' 'Perkins, Michael V.' 'Taylor, Max R.' _publ_section_title ; Conformation of (--)-membrenone-C ; _journal_issue 12 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o1867 _journal_page_last o1868 _journal_volume 59 _journal_year 2003 _chemical_formula_iupac 'C20 H30 O4' _chemical_formula_moiety 'C20 H30 O4' _chemical_formula_sum 'C20 H30 O4' _chemical_formula_weight 334.46 _chemical_name_common '(-)-Membrenone C' _chemical_name_systematic ;(2S,2'R,3S,3'S)-(1S)-2,2'-ethane-1,1-diylbis(6-ethyl-3,5-dimethyl-2,3-dihydro- 4H-pyran-4-one) ; _space_group_IT_number 19 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2ac 2ab' _symmetry_space_group_name_H-M 'P 21 21 21' _cell_angle_alpha 90.00000 _cell_angle_beta 90.00000 _cell_angle_gamma 90.00000 _cell_formula_units_Z 4 _cell_length_a 9.836(3) _cell_length_b 13.065(4) _cell_length_c 14.391(4) _cell_measurement_reflns_used 3123 _cell_measurement_temperature 123(2) _cell_measurement_theta_max 25.08 _cell_measurement_theta_min 2.60 _cell_volume 1849.3(10) _computing_cell_refinement SMART _computing_data_collection 'SMART (Bruker, 1999)' _computing_data_reduction 'SAINT (Bruker, 1999) and Xtal3.7 ADDREF SORTRF (Hall et al., 2000)' _computing_molecular_graphics Xtal3.7 _computing_publication_material 'Xtal3.7 BONDLA CIFIO' _computing_structure_refinement 'Xtal3.7 CRYLSQ' _computing_structure_solution 'SIR97 (Altomare et al., 1994)' _diffrn_measured_fraction_theta_full .995 _diffrn_measured_fraction_theta_max 0.934 _diffrn_measurement_device_type 'Bruker P4 CCD area-detector' _diffrn_measurement_method \w _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength .71073 _diffrn_reflns_av_R_equivalents 0.07 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_l_max 6 _diffrn_reflns_limit_l_min -18 _diffrn_reflns_number 12757 _diffrn_reflns_theta_full 26.0 _diffrn_reflns_theta_max 27.70 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu .082 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.201 _exptl_crystal_density_method 'not measured' _exptl_crystal_description needle _exptl_crystal_F_000 728 _exptl_crystal_size_max 0.75 _exptl_crystal_size_mid 0.12 _exptl_crystal_size_min 0.11 _refine_diff_density_max .260 _refine_diff_density_min -.326 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.203 _refine_ls_hydrogen_treatment noref _refine_ls_number_parameters 217 _refine_ls_number_reflns 2177 _refine_ls_R_factor_gt .040 _refine_ls_shift/su_max 0.0003 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(F~o~^2^) + (0.02F~o~^2^)^2^]^1/2^' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref .079 _reflns_number_gt 1648 _reflns_number_total 2294 _reflns_threshold_expression F^2^>2\s(F^2^) _[local]_cod_data_source_file dn6104.cif _[local]_cod_data_source_block I _[local]_cod_cif_authors_sg_Hall p_2ac_2ab _cod_database_code 2202625 loop_ _symmetry_equiv_pos_as_xyz +x,+y,+z 1/2-x,-y,1/2+z 1/2+x,1/2-y,-z -x,1/2+y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_calc_attached_atom _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group C1 .7737(3) .97960(17) .70830(14) .0241(13) Uani ? ? 1.00000 ? ? C2 .7805(3) 1.08753(18) .66693(14) .0229(13) Uani ? ? 1.00000 ? ? C2' .7483(3) .89901(17) .63256(14) .0226(13) Uani ? ? 1.00000 ? ? C3 .7927(2) 1.17478(18) .73629(14) .0248(14) Uani ? ? 1.00000 ? ? C3' .6243(3) .91530(17) .57182(13) .0221(13) Uani ? ? 1.00000 ? ? C4 .8026(3) 1.2748(2) .68225(15) .0255(14) Uani ? ? 1.00000 ? ? C4' .6040(3) .82316(19) .50883(14) .0260(14) Uani ? ? 1.00000 ? ? C5 .8773(3) 1.26960(18) .59387(14) .0239(14) Uani ? ? 1.00000 ? ? C5' .6524(3) .72541(19) .54290(14) .0252(14) Uani ? ? 1.00000 ? ? C6 .9264(2) 1.17911(19) .56446(13) .0244(14) Uani ? ? 1.00000 ? ? C6' .7073(3) .71902(19) .62872(15) .0247(14) Uani ? ? 1.00000 ? ? C7 .6755(3) 1.1768(2) .80563(15) .0348(16) Uani ? ? 1.00000 ? ? C7' .4931(3) .93527(19) .62545(15) .0306(15) Uani ? ? 1.00000 ? ? C8 .9024(3) 1.36845(18) .54250(16) .0349(16) Uani ? ? 1.00000 ? ? C8' .6251(3) .63131(19) .48516(16) .0360(16) Uani ? ? 1.00000 ? ? C9 1.0178(3) 1.16186(19) .48291(15) .0300(15) Uani ? ? 1.00000 ? ? C9' .7450(3) .62110(17) .67683(15) .0305(15) Uani ? ? 1.00000 ? ? C10 .9428(3) 1.1174(2) .39987(16) .0407(17) Uani ? ? 1.00000 ? ? C10' .7649(3) .62845(18) .78042(17) .0388(16) Uani ? ? 1.00000 ? ? C11 .8992(3) .95350(18) .76603(15) .0315(15) Uani ? ? 1.00000 ? ? O1 .89603(17) 1.08727(12) .60472(9) .0239(9) Uani ? ? 1.00000 ? ? O1' .73589(17) .80256(11) .68176(9) .0246(9) Uani ? ? 1.00000 ? ? O4 .7559(2) 1.35533(12) .71207(11) .0355(11) Uani ? ? 1.00000 ? ? O4' .54170(18) .83307(14) .43506(10) .0369(11) Uani ? ? 1.00000 ? ? H2 .69634 1.10126 .63704 .02900 Uiso ? ? 1.00000 ? ? H2' .82189 .90175 .58980 .02900 Uiso ? ? 1.00000 ? ? H3 .87252 1.16517 .77258 .03200 Uiso ? ? 1.00000 ? ? H3' .64284 .97538 .53690 .02800 Uiso ? ? 1.00000 ? ? H7a .68755 1.23257 .84726 .05200 Uiso ? ? 1.00000 ? ? H7b .67375 1.11461 .83928 .05200 Uiso ? ? 1.00000 ? ? H7c .59224 1.18522 .77289 .05200 Uiso ? ? 1.00000 ? ? H7'a .42032 .94509 .58291 .04600 Uiso ? ? 1.00000 ? ? H7'b .50349 .99545 .66228 .04600 Uiso ? ? 1.00000 ? ? H7'c .47368 .87888 .66462 .04600 Uiso ? ? 1.00000 ? ? H9a 1.08761 1.11532 .50063 .03700 Uiso ? ? 1.00000 ? ? H9b 1.05719 1.22521 .46548 .03700 Uiso ? ? 1.00000 ? ? H9'a .82733 .59700 .65037 .03800 Uiso ? ? 1.00000 ? ? H9'b .67459 .57270 .66575 .03800 Uiso ? ? 1.00000 ? ? H10a 1.00447 1.10793 .34993 .06200 Uiso ? ? 1.00000 ? ? H10b .87291 1.16360 .38124 .06200 Uiso ? ? 1.00000 ? ? H10c .90333 1.05371 .41639 .06200 Uiso ? ? 1.00000 ? ? H10'a .78858 .56316 .80435 .05900 Uiso ? ? 1.00000 ? ? H10'b .68328 .65144 .80868 .05900 Uiso ? ? 1.00000 ? ? H10'c .83602 .67575 .79330 .05900 Uiso ? ? 1.00000 ? ? H1 .69787 .97880 .74954 .03000 Uiso ? ? 1.00000 ? ? H11a .89020 .88609 .79014 .04800 Uiso ? ? 1.00000 ? ? H11b .90722 1.00071 .81578 .04800 Uiso ? ? 1.00000 ? ? H11c .97757 .95717 .72777 .04800 Uiso ? ? 1.00000 ? ? H8a .86329 1.36752 .48239 .05300 Uiso ? ? 1.00000 ? ? H8b .99815 1.38100 .53693 .05300 Uiso ? ? 1.00000 ? ? H8c .86381 1.42533 .57655 .05300 Uiso ? ? 1.00000 ? ? H8'a .69304 .57924 .49619 .05200 Uiso ? ? 1.00000 ? ? H8'b .62681 .64629 .41960 .05200 Uiso ? ? 1.00000 ? ? H8'c .53836 .60220 .49937 .05200 Uiso ? ? 1.00000 ? ? loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 C1 .0325(16) .0227(13) .0170(11) -.0013(12) -.0022(11) .0019(10) C2 .0226(15) .0225(13) .0234(12) .0007(12) .0019(11) .0026(10) C2' .0284(15) .0186(13) .0209(11) -.0030(12) .0020(11) .0036(10) C3 .0300(15) .0244(14) .0200(11) -.0009(12) -.0008(10) -.0015(11) C3' .0281(15) .0175(13) .0207(11) -.0034(12) -.0005(11) .0070(10) C4 .0250(16) .0250(15) .0265(12) -.0020(12) -.0063(11) .0001(11) C4' .0250(15) .0309(15) .0222(12) -.0059(13) .0023(11) .0000(11) C5 .0296(15) .0209(14) .0213(11) -.0014(12) -.0069(11) .0020(10) C5' .0274(16) .0235(15) .0247(12) -.0045(12) .0006(11) -.0042(11) C6 .0240(14) .0284(15) .0208(12) -.0048(13) -.0037(10) .0024(11) C6' .0234(15) .0225(14) .0282(13) -.0031(12) .0045(10) .0005(11) C7 .0431(18) .0277(15) .0335(14) .0001(13) .0107(12) -.0012(13) C7' .0302(16) .0316(16) .0300(13) .0005(13) -.0028(12) .0034(12) C8 .0457(19) .0313(17) .0276(13) -.0063(14) -.0015(13) .0007(11) C8' .0419(19) .0326(17) .0335(14) -.0065(14) -.0008(13) -.0094(11) C9 .0360(17) .0291(15) .0250(12) -.0074(13) .0046(11) -.0016(11) C9' .0342(17) .0225(14) .0347(13) -.0014(13) .0035(13) .0025(11) C10 .055(2) .0424(18) .0251(12) -.0006(15) .0001(13) -.0043(12) C10' .055(2) .0273(15) .0340(13) .0028(15) -.0055(14) .0092(11) C11 .0410(18) .0259(15) .0277(13) -.0002(13) -.0092(13) .0021(11) O1 .0302(11) .0203(9) .0213(8) .0006(8) .0043(7) .0018(7) O1' .0355(11) .0177(9) .0207(8) -.0001(8) -.0021(7) .0022(6) O4 .0465(12) .0196(10) .0402(10) .0049(10) .0059(10) -.0036(8) O4' .0452(12) .0415(11) .0239(9) -.0006(10) -.0091(8) -.0004(8) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag C2 C3 . . 1.520(3) ? C2 C1 . . 1.532(3) ? C2 O1 . . 1.447(3) ? C2 H2 . . .950 ? C2' C3' . . 1.516(3) ? C2' C1 . . 1.536(3) ? C2' O1' . . 1.451(3) ? C2' H2' . . .950 ? C3 C4 . . 1.524(3) ? C3 C7 . . 1.525(3) ? C3 H3 . . .952 ? C3' C4' . . 1.520(3) ? C3' C7' . . 1.527(4) ? C3' H3' . . .950 ? C4 C5 . . 1.470(3) ? C4 O4 . . 1.226(3) ? C4' C5' . . 1.448(3) ? C4' O4' . . 1.233(3) ? C5 C6 . . 1.346(3) ? C5 C8 . . 1.508(3) ? C5' C6' . . 1.351(3) ? C5' C8' . . 1.508(3) ? C6 C9 . . 1.495(3) ? C6 O1 . . 1.366(3) ? C6' C9' . . 1.501(3) ? C6' O1' . . 1.361(3) ? C7 H7a . . .951 ? C7 H7b . . .946 ? C7 H7c . . .951 ? C7' H7'a . . .951 ? C7' H7'b . . .954 ? C7' H7'c . . .947 ? C8 H8a . . .947 ? C8 H8b . . .959 ? C8 H8c . . .968 ? C8' H8'a . . .967 ? C8' H8'b . . .964 ? C8' H8'c . . .956 ? C9 C10 . . 1.520(3) ? C9 H9a . . .952 ? C9 H9b . . .948 ? C9' C10' . . 1.507(3) ? C9' H9'a . . .948 ? C9' H9'b . . .952 ? C10 H10a . . .948 ? C10 H10b . . .954 ? C10 H10c . . .948 ? C10' H10'a . . .949 ? C10' H10'b . . .949 ? C10' H10'c . . .952 ? C1 C11 . . 1.527(4) ? C1 H1 . . .953 ? C11 H11a . . .951 ? C11 H11b . . .948 ? C11 H11c . . .948 ? loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source O .008 .006 'Int Tables Vol IV Tables 2.2B and 2.3.1' H 0 0 'Int Tables Vol IV Tables 2.2B and 2.3.1' C .002 .002 'Int Tables Vol IV Tables 2.2B and 2.3.1' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C3 C2 C1 116.01(17) C3 C2 O1 110.25(19) C3 C2 H2 103.0 C1 C2 O1 105.81(18) C1 C2 H2 108.2 O1 C2 H2 113.87 C3' C2' C1 116.3(2) C3' C2' O1' 109.6(2) C3' C2' H2' 103.53 C1 C2' O1' 105.24(16) C1 C2' H2' 108.1 O1' C2' H2' 114.4 C2 C3 C4 108.24(17) C2 C3 C7 112.5(2) C2 C3 H3 109.1 C4 C3 C7 111.6(2) C4 C3 H3 109.9 C7 C3 H3 105.49 C2' C3' C4' 109.8(2) C2' C3' C7' 114.40(17) C2' C3' H3' 105.5 C4' C3' C7' 109.0(2) C4' C3' H3' 111.36 C7' C3' H3' 106.8 C3 C4 C5 115.7(2) C3 C4 O4 122.2(2) C5 C4 O4 122.0(2) C3' C4' C5' 116.95(18) C3' C4' O4' 119.7(2) C5' C4' O4' 123.2(2) C4 C5 C6 119.5(2) C4 C5 C8 117.8(2) C6 C5 C8 122.6(2) C4' C5' C6' 119.7(2) C4' C5' C8' 118.3(2) C6' C5' C8' 121.6(2) C5 C6 C9 126.5(2) C5 C6 O1 124.0(2) C9 C6 O1 109.4(2) C5' C6' C9' 125.0(2) C5' C6' O1' 123.1(2) C9' C6' O1' 111.95(18) C3 C7 H7a 109.3 C3 C7 H7b 109.5 C3 C7 H7c 109.2 H7a C7 H7b 109.8 H7a C7 H7c 109.3 H7b C7 H7c 109.7 C3' C7' H7'a 109.5 C3' C7' H7'b 109.3 C3' C7' H7'c 109.8 H7'a C7' H7'b 109.1 H7'a C7' H7'c 109.7 H7'b C7' H7'c 109.4 C5 C8 H8a 111.7 C5 C8 H8b 110.4 C5 C8 H8c 110.2 H8a C8 H8b 109.0 H8a C8 H8c 108.2 H8b C8 H8c 107.2 C5' C8' H8'a 111.1 C5' C8' H8'b 111.8 C5' C8' H8'c 111.4 H8'a C8' H8'b 107.0 H8'a C8' H8'c 107.6 H8'b C8' H8'c 107.8 C6 C9 C10 112.5(2) C6 C9 H9a 108.6 C6 C9 H9b 108.8 C10 C9 H9a 108.4 C10 C9 H9b 108.9 H9a C9 H9b 109.5 C6' C9' C10' 115.7(2) C6' C9' H9'a 108.0 C6' C9' H9'b 108.0 C10' C9' H9'a 107.9 C10' C9' H9'b 107.6 H9'a C9' H9'b 109.5 C9 C10 H10a 109.6 C9 C10 H10b 109.2 C9 C10 H10c 109.7 H10a C10 H10b 109.3 H10a C10 H10c 109.8 H10b C10 H10c 109.3 C9' C10' H10'a 109.5 C9' C10' H10'b 109.5 C9' C10' H10'c 109.2 H10'a C10' H10'b 109.7 H10'a C10' H10'c 109.4 H10'b C10' H10'c 109.4 C2 C1 C2' 111.24(17) C2 C1 C11 112.4(2) C2 C1 H1 106.6 C2' C1 C11 111.4(2) C2' C1 H1 107.9 C11 C1 H1 106.95 C1 C11 H11a 109.3 C1 C11 H11b 109.4 C1 C11 H11c 109.3 H11a C11 H11b 109.6 H11a C11 H11c 109.6 H11b C11 H11c 109.8 C2 O1 C6 115.63(17) C2' O1' C6' 116.12(16) loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_publ_flag C1 C2 C3 C4 178.2(2) ? C1 C2 C3 C7 -58.0(3) ? C1 C2 C3 H3 58.6 ? O1 C2 C3 C4 58.0(2) ? O1 C2 C3 C7 -178.26(18) ? O1 C2 C3 H3 -61.6 ? H2 C2 C3 C4 -63.9 ? H2 C2 C3 C7 59.9 ? H2 C2 C3 H3 176.6 y C3 C2 C1 C2' 174.8(2) ? C3 C2 C1 C11 -59.5(3) ? C3 C2 C1 H1 57.4 ? O1 C2 C1 C2' -62.7(2) ? O1 C2 C1 C11 63.0(2) ? O1 C2 C1 H1 179.94 ? H2 C2 C1 C2' 59.7 ? H2 C2 C1 C11 -174.58 ? H2 C2 C1 H1 -57.7 y C3 C2 O1 C6 -49.7(2) ? C1 C2 O1 C6 -175.86(17) ? H2 C2 O1 C6 65.5 ? C1 C2' C3' C4' -173.15(19) ? C1 C2' C3' C7' -50.2(3) ? C1 C2' C3' H3' 66.8 ? O1' C2' C3' C4' -54.0(2) ? O1' C2' C3' C7' 68.9(2) ? O1' C2' C3' H3' -174.05 ? H2' C2' C3' C4' 68.5 ? H2' C2' C3' C7' -168.6 ? H2' C2' C3' H3' -51.6 y C3' C2' C1 C2 -55.0(3) ? C3' C2' C1 C11 178.7(2) ? C3' C2' C1 H1 61.6 ? O1' C2' C1 C2 -176.5(2) ? O1' C2' C1 C11 57.2(2) ? O1' C2' C1 H1 -59.9 ? H2' C2' C1 C2 60.8 ? H2' C2' C1 C11 -65.4 ? H2' C2' C1 H1 177.5 y C3' C2' O1' C6' 51.7(2) ? C1 C2' O1' C6' 177.5(2) ? H2' C2' O1' C6' -64.1 ? C2 C3 C4 C5 -35.2(3) ? C2 C3 C4 O4 147.5(2) ? C7 C3 C4 C5 -159.5(2) ? C7 C3 C4 O4 23.1(3) ? H3 C3 C4 C5 83.8 ? H3 C3 C4 O4 -93.5 ? C2 C3 C7 H7a -179.9 ? C2 C3 C7 H7b 59.9 ? C2 C3 C7 H7c -60.3 ? C4 C3 C7 H7a -58.0 ? C4 C3 C7 H7b -178.2 ? C4 C3 C7 H7c 61.6 ? H3 C3 C7 H7a 61.3 ? H3 C3 C7 H7b -58.9 ? H3 C3 C7 H7c -179.1 ? C2' C3' C4' C5' 28.5(3) ? C2' C3' C4' O4' -155.5(2) ? C7' C3' C4' C5' -97.5(2) ? C7' C3' C4' O4' 78.4(3) ? H3' C3' C4' C5' 145.0 ? H3' C3' C4' O4' -39.1 ? C2' C3' C7' H7'a 179.7 ? C2' C3' C7' H7'b 60.1 ? C2' C3' C7' H7'c -59.9 ? C4' C3' C7' H7'a -57.0 ? C4' C3' C7' H7'b -176.5 ? C4' C3' C7' H7'c 63.4 ? H3' C3' C7' H7'a 63.4 ? H3' C3' C7' H7'b -56.1 ? H3' C3' C7' H7'c -176.2 ? C3 C4 C5 C6 2.6(3) ? C3 C4 C5 C8 -173.9(2) ? O4 C4 C5 C6 180.0(2) ? O4 C4 C5 C8 3.5(4) ? C3' C4' C5' C6' 2.6(3) ? C3' C4' C5' C8' 175.8(2) ? O4' C4' C5' C6' -173.1(2) ? O4' C4' C5' C8' .0(4) ? C4 C5 C6 C9 -172.3(2) ? C4 C5 C6 O1 9.5(4) ? C8 C5 C6 C9 4.0(4) ? C8 C5 C6 O1 -174.2(2) ? C4 C5 C8 H8a -120.4 ? C4 C5 C8 H8b 118.2 ? C4 C5 C8 H8c .0 ? C6 C5 C8 H8a 63.3 ? C6 C5 C8 H8b -58.1 ? C6 C5 C8 H8c -176.4 ? C4' C5' C6' C9' 171.9(2) ? C4' C5' C6' O1' -8.6(4) ? C8' C5' C6' C9' -1.0(4) ? C8' C5' C6' O1' 178.6(2) ? C4' C5' C8' H8'a 153.1 ? C4' C5' C8' H8'b 33.7 ? C4' C5' C8' H8'c -87.0 ? C6' C5' C8' H8'a -33.9 ? C6' C5' C8' H8'b -153.3 ? C6' C5' C8' H8'c 86.0 ? C5 C6 C9 C10 -104.1(3) ? C5 C6 C9 H9a 135.8 ? C5 C6 C9 H9b 16.7 ? O1 C6 C9 C10 74.3(2) ? O1 C6 C9 H9a -45.8 ? O1 C6 C9 H9b -164.9 ? C5 C6 O1 C2 15.2(3) ? C9 C6 O1 C2 -163.29(18) ? C5' C6' C9' C10' -162.5(3) ? C5' C6' C9' H9'a 76.5 ? C5' C6' C9' H9'b -41.8 ? O1' C6' C9' C10' 18.0(3) ? O1' C6' C9' H9'a -103.1 ? O1' C6' C9' H9'b 138.6 ? C5' C6' O1' C2' -20.1(3) ? C9' C6' O1' C2' 159.5(2) ? C6 C9 C10 H10a 179.8 ? C6 C9 C10 H10b 60.2 ? C6 C9 C10 H10c -59.6 ? H9a C9 C10 H10a -60.0 ? H9a C9 C10 H10b -179.7 ? H9a C9 C10 H10c 60.6 ? H9b C9 C10 H10a 59.1 ? H9b C9 C10 H10b -60.6 ? H9b C9 C10 H10c 179.7 ? C6' C9' C10' H10'a -179.8 ? C6' C9' C10' H10'b 59.8 ? C6' C9' C10' H10'c -60.0 ? H9'a C9' C10' H10'a -58.8 ? H9'a C9' C10' H10'b -179.1 ? H9'a C9' C10' H10'c 61.0 ? H9'b C9' C10' H10'a 59.3 ? H9'b C9' C10' H10'b -61.0 ? H9'b C9' C10' H10'c 179.1 ? C2 C1 C11 H11a 179.9 ? C2 C1 C11 H11b 60.0 ? C2 C1 C11 H11c -60.2 ? C2' C1 C11 H11a -54.4 ? C2' C1 C11 H11b -174.4 ? C2' C1 C11 H11c 65.4 ? H1 C1 C11 H11a 63.2 ? H1 C1 C11 H11b -56.7 ? H1 C1 C11 H11c -176.9 ? _cod_database_fobs_code 2202625 _journal_paper_doi 10.1107/S1600536803024796