#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/14/2101448.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_2101448 loop_ _publ_author_name 'B\"ocskei, Zs.' 'Simon, K.' 'N\'emeth, V.' '\'Agai, B.' 'Toke, L.' _publ_section_title ; Interesting conformational and substitutional disorder in the crystal structures of three homologous crowns ; _journal_issue 1 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 194 _journal_page_last 200 _journal_volume 52 _journal_year 1996 _chemical_formula_sum 'C16 H16 Cl N O3' _chemical_formula_weight 305.75 _chemical_name_systematic ; ? ; _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yab' _symmetry_space_group_name_H-M 'P 1 21/a 1' _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 93.04(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 8 _cell_length_a 13.922(6) _cell_length_b 6.951(3) _cell_length_c 30.173(7) _cell_measurement_temperature 298(2) _cell_volume 2915.8(19) _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS-86 (Sheldrick, 1990)' _diffrn_ambient_temperature 298(2) _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.54180 _diffrn_reflns_av_R_equivalents 0.0985 _diffrn_reflns_av_sigmaI/netI 0.3320 _diffrn_reflns_limit_h_max 16 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 37 _diffrn_reflns_limit_l_min -37 _diffrn_reflns_number 4542 _diffrn_reflns_theta_max 60.00 _diffrn_reflns_theta_min 2.93 _exptl_absorpt_coefficient_mu 2.407 _exptl_crystal_density_diffrn 1.393 _exptl_crystal_F_000 1280 _exptl_crystal_size_max 0.40 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.08 _refine_diff_density_max 1.079 _refine_diff_density_min -0.363 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_all 0.970 _refine_ls_goodness_of_fit_obs 1.308 _refine_ls_matrix_type full _refine_ls_number_parameters 375 _refine_ls_number_reflns 4187 _refine_ls_number_restraints 50 _refine_ls_restrained_S_all 1.058 _refine_ls_restrained_S_obs 1.274 _refine_ls_R_factor_all 0.3347 _refine_ls_R_factor_obs 0.0748 _refine_ls_shift/esd_max 0.002 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_scheme 'calc w=1/[\s^2^(Fo^2^)+(0.1345P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_wR_factor_all 0.3420 _refine_ls_wR_factor_obs 0.1907 _reflns_number_observed 1110 _reflns_number_total 4323 _reflns_observed_criterion >2sigma(I) _[local]_cod_data_source_file ka0027.cif _[local]_cod_data_source_block nai _[local]_cod_cif_authors_sg_H-M 'P 21/a' _cod_original_cell_volume 2916.(2) _cod_database_code 2101448 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cl Cl 0.3639 0.7018 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0492 0.0322 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0311 0.0180 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' C C 0.0181 0.0091 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_type_symbol Cl1 0.3414(3) -0.4028(5) 1.33051(12) 0.0761(12) Uani d . 1 Cl C2 0.2560(7) -0.2212(15) 1.3268(4) 0.046(3) Uani d D 1 C C3 0.2431(8) -0.0979(15) 1.3619(3) 0.047(3) Uani d D 1 C H3 0.2823(8) -0.1109(15) 1.3876(3) 0.052(9) Uiso calc R 1 H C4 0.1741(7) 0.0427(16) 1.3598(3) 0.049(4) Uani d D 1 C C5 0.1147(8) 0.0518(16) 1.3209(3) 0.048(3) Uani d D 1 C C6 0.1286(8) -0.0704(17) 1.2850(3) 0.053(4) Uani d D 1 C H6 0.0892(8) -0.0606(17) 1.2592(3) 0.052(9) Uiso calc R 1 H C7 0.2008(8) -0.2046(17) 1.2880(3) 0.050(4) Uani d D 1 C H7 0.2122(8) -0.2836(17) 1.2639(3) 0.052(9) Uiso calc R 1 H N8 0.1537(6) 0.1676(12) 1.3934(2) 0.052(3) Uani d D 1 N H8 0.0941(6) 0.1791(12) 1.3991(2) 0.052(9) Uiso calc R 1 H C9 0.2200(6) 0.2798(13) 1.4199(3) 0.044(3) Uani d D 1 C C10 0.3196(6) 0.2665(16) 1.4175(3) 0.053(4) Uani d D 1 C H10 0.3460(6) 0.1767(16) 1.3988(3) 0.052(9) Uiso calc R 1 H C11 0.3789(8) 0.3877(18) 1.4430(4) 0.063(4) Uani d D 1 C H11 0.4451(8) 0.3848(18) 1.4402(4) 0.052(9) Uiso calc R 1 H C12 0.3405(8) 0.5110(18) 1.4723(4) 0.067(4) Uani d D 1 C H12 0.3815(8) 0.5871(18) 1.4901(4) 0.052(9) Uiso calc R 1 H C13 0.2430(8) 0.5267(17) 1.4762(3) 0.059(4) Uani d D 1 C H13 0.2177(8) 0.6146(17) 1.4957(3) 0.052(9) Uiso calc R 1 H C14 0.1844(7) 0.4088(16) 1.4505(3) 0.044(3) Uani d D 1 C O15 0.0833(5) 0.4067(12) 1.4527(2) 0.057(2) Uani d D 1 O C16 0.0353(8) 0.5844(18) 1.4427(3) 0.063(4) Uani d D 1 C H16A 0.0666(8) 0.6863(18) 1.4600(3) 0.044(8) Uiso calc R 1 H H16B -0.0306(8) 0.5755(18) 1.4513(3) 0.044(8) Uiso calc R 1 H C17 0.0355(9) 0.6344(16) 1.3954(3) 0.060(4) Uani d D 1 C H17A 0.0063(9) 0.7597(16) 1.3904(3) 0.044(8) Uiso calc R 1 H H17B 0.1010(9) 0.6394(16) 1.3861(3) 0.044(8) Uiso calc R 1 H O18 -0.0175(5) 0.4921(12) 1.3707(2) 0.055(2) Uani d D 1 O C19 -0.0110(8) 0.4990(16) 1.3240(3) 0.057(4) Uani d D 1 C H19A 0.0008(8) 0.6308(16) 1.3153(3) 0.044(8) Uiso calc R 1 H H19B -0.0723(8) 0.4602(16) 1.3101(3) 0.044(8) Uiso calc R 1 H C20 0.0650(8) 0.3758(16) 1.3072(4) 0.062(4) Uani d D 1 C H20A 0.0691(8) 0.3930(16) 1.2755(4) 0.044(8) Uiso calc R 1 H H20B 0.1268(8) 0.4076(16) 1.3217(4) 0.044(8) Uiso calc R 1 H O21 0.0386(5) 0.1795(11) 1.3172(2) 0.052(2) Uani d D 1 O Cl1' 0.4706(3) 0.2414(5) 0.99251(11) 0.0769(13) Uani d . 1 Cl C2' 0.4716(8) 0.8998(17) 1.1264(4) 0.062(4) Uani d D 1 C H2' 0.5029(8) 0.9812(17) 1.1074(4) 0.052(9) Uiso calc R 1 H C3' 0.4034(8) 0.7720(16) 1.1093(3) 0.053(4) Uani d D 1 C H3' 0.3893(8) 0.7699(16) 1.0789(3) 0.052(9) Uiso calc R 1 H C4' 0.3560(8) 0.6488(16) 1.1356(3) 0.047(3) Uani d D 1 C C5' 0.3764(8) 0.6607(16) 1.1815(3) 0.055(4) Uani d D 1 C C6' 0.4453(8) 0.7895(17) 1.1990(3) 0.056(4) Uani d D 1 C H6' 0.4587(8) 0.7954(17) 1.2295(3) 0.052(9) Uiso calc R 1 H C7' 0.4934(8) 0.9073(17) 1.1712(4) 0.068(4) Uani d D 1 C H7' 0.5403(8) 0.9914(17) 1.1827(4) 0.052(9) Uiso calc R 1 H N8' 0.2859(4) 0.5181(8) 1.1214(2) 0.053(3) Uani d D 1 N H8' 0.2326(4) 0.5201(8) 1.1345(2) 0.052(9) Uiso calc R 1 H C9' 0.2944(4) 0.3813(8) 1.0870(2) 0.046(3) Uani d RD 1 C C10' 0.3731(4) 0.3760(8) 1.0598(2) 0.045(3) Uani d RD 1 C H10' 0.4241(4) 0.4611(8) 1.0646(2) 0.052(9) Uiso calc R 1 H C11' 0.3735(8) 0.2429(17) 1.0260(3) 0.051(4) Uani d D 1 C C12' 0.3017(9) 0.1120(18) 1.0196(3) 0.059(4) Uani d D 1 C H12' 0.3053(9) 0.0209(18) 0.9972(3) 0.052(9) Uiso calc R 1 H C13' 0.2237(8) 0.1116(16) 1.0458(3) 0.054(4) Uani d D 1 C H13' 0.1739(8) 0.0236(16) 1.0412(3) 0.052(9) Uiso calc R 1 H C14' 0.2221(7) 0.2455(15) 1.0790(3) 0.044(3) Uani d D 1 C O15' 0.1447(5) 0.2594(12) 1.1077(2) 0.060(2) Uani d D 1 O C16' 0.1297(8) 0.0922(18) 1.1340(3) 0.064(4) Uani d D 1 C H16C 0.1283(8) -0.0204(18) 1.1150(3) 0.044(8) Uiso calc R 1 H H16D 0.0676(8) 0.1021(18) 1.1470(3) 0.044(8) Uiso calc R 1 H C17' 0.2042(8) 0.0663(16) 1.1695(3) 0.060(4) Uani d D 1 C H17C 0.1939(8) -0.0541(16) 1.1848(3) 0.044(8) Uiso calc R 1 H H17D 0.2669(8) 0.0612(16) 1.1570(3) 0.044(8) Uiso calc R 1 H O18' 0.2012(5) 0.2217(12) 1.2000(3) 0.065(3) Uani d D 1 O C19' 0.2818(7) 0.2378(16) 1.2306(3) 0.058(4) Uani d D 1 C H19C 0.3051(7) 0.1097(16) 1.2380(3) 0.044(8) Uiso calc R 1 H H19D 0.2612(7) 0.2966(16) 1.2576(3) 0.044(8) Uiso calc R 1 H C20' 0.3616(8) 0.3507(16) 1.2143(4) 0.060(4) Uani d D 1 C H20C 0.4171(8) 0.3436(16) 1.2350(4) 0.044(8) Uiso calc R 1 H H20D 0.3796(8) 0.3025(16) 1.1858(4) 0.044(8) Uiso calc R 1 H O21' 0.3273(6) 0.5476(12) 1.2102(2) 0.062(3) Uani d D 1 O 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 Cl1 0.085(3) 0.061(2) 0.082(2) 0.003(3) -0.001(2) -0.006(2) C2 0.039(7) 0.027(8) 0.075(8) -0.001(7) 0.024(7) -0.005(7) C3 0.052(8) 0.035(8) 0.053(7) 0.008(8) -0.003(6) -0.007(7) C4 0.058(9) 0.052(10) 0.038(7) -0.012(8) 0.012(7) -0.016(7) C5 0.056(9) 0.045(9) 0.044(7) -0.009(8) 0.012(7) -0.006(7) C6 0.048(9) 0.056(10) 0.055(8) -0.001(8) 0.003(7) 0.003(8) C7 0.041(8) 0.064(10) 0.046(7) -0.009(8) 0.013(6) -0.014(7) N8 0.040(6) 0.065(8) 0.050(6) -0.010(6) 0.006(5) -0.021(6) C9 0.052(8) 0.035(8) 0.044(7) -0.005(8) -0.002(7) 0.016(7) C10 0.069(9) 0.053(9) 0.039(7) -0.016(9) 0.012(7) -0.001(7) C11 0.092(12) 0.049(9) 0.047(8) 0.014(10) 0.006(8) -0.005(7) C12 0.057(10) 0.054(10) 0.086(10) -0.024(10) -0.032(8) -0.003(9) C13 0.098(11) 0.052(10) 0.027(6) -0.003(10) -0.011(7) -0.035(6) C14 0.043(8) 0.060(9) 0.030(6) 0.016(8) 0.008(6) 0.015(7) O15 0.074(7) 0.055(6) 0.042(5) 0.007(6) 0.006(4) -0.001(5) C16 0.066(10) 0.069(11) 0.055(8) -0.028(10) -0.004(7) -0.022(8) C17 0.067(10) 0.053(10) 0.058(8) -0.014(9) -0.014(7) 0.003(8) O18 0.054(6) 0.069(6) 0.042(5) 0.005(5) 0.007(4) 0.006(5) C19 0.062(9) 0.048(9) 0.061(8) 0.006(8) 0.010(7) 0.006(8) C20 0.074(10) 0.059(10) 0.055(8) -0.003(9) 0.024(7) 0.000(8) O21 0.052(6) 0.045(6) 0.059(5) -0.005(5) -0.005(4) -0.002(5) Cl1' 0.102(3) 0.057(2) 0.075(2) 0.012(2) 0.040(2) -0.002(2) C2' 0.074(10) 0.051(10) 0.061(9) 0.013(9) 0.014(8) 0.002(8) C3' 0.071(10) 0.044(9) 0.044(7) -0.014(8) 0.000(7) -0.017(7) C4' 0.061(9) 0.053(9) 0.028(6) -0.009(8) 0.011(6) -0.003(6) C5' 0.075(10) 0.036(8) 0.056(8) 0.001(8) 0.014(7) -0.001(7) C6' 0.073(10) 0.045(10) 0.051(7) 0.001(8) -0.006(7) -0.008(7) C7' 0.058(10) 0.042(10) 0.103(12) -0.015(8) -0.004(9) -0.039(10) N8' 0.037(6) 0.068(8) 0.054(6) -0.017(6) 0.010(5) -0.027(6) C9' 0.074(10) 0.023(7) 0.039(7) 0.018(8) -0.009(7) 0.013(6) C10' 0.041(7) 0.045(8) 0.051(7) 0.002(7) 0.009(6) 0.021(7) C11' 0.064(9) 0.056(9) 0.033(6) 0.017(9) 0.013(6) 0.008(7) C12' 0.098(11) 0.048(9) 0.033(7) -0.018(9) 0.011(7) -0.025(7) C13' 0.066(9) 0.055(9) 0.040(7) -0.012(9) 0.004(6) -0.021(7) C14' 0.048(8) 0.041(8) 0.042(7) 0.002(8) 0.001(6) 0.019(7) O15' 0.056(6) 0.063(7) 0.060(5) 0.005(6) 0.000(5) 0.005(5) C16' 0.060(9) 0.065(11) 0.068(9) -0.006(9) 0.019(8) -0.002(9) C17' 0.067(10) 0.053(10) 0.063(8) -0.005(9) 0.022(8) 0.002(8) O18' 0.059(6) 0.069(7) 0.066(5) 0.007(6) 0.000(5) -0.003(6) C19' 0.059(9) 0.062(10) 0.053(7) -0.001(9) 0.003(7) 0.015(8) C20' 0.062(9) 0.059(11) 0.058(8) -0.013(9) -0.002(7) -0.001(8) O21' 0.089(7) 0.056(7) 0.045(5) -0.012(6) 0.033(5) -0.012(5) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Cl1 C2 1.733(10) C2 C7 1.371(12) C2 C3 1.381(11) C3 C4 1.369(11) C4 N8 1.376(10) C4 C5 1.401(11) C5 O21 1.382(10) C5 C6 1.399(12) C6 C7 1.371(12) N8 C9 1.420(7) C9 C10 1.395(7) C9 C14 1.398(10) C10 C11 1.386(11) C11 C12 1.359(12) C12 C13 1.373(12) C13 C14 1.368(12) C14 O15 1.413(9) O15 C16 1.429(11) C16 C17 1.467(12) C17 O18 1.421(10) O18 C19 1.418(10) C19 C20 1.471(11) C20 O21 1.448(11) Cl1' C11' 1.728(10) C2' C7' 1.372(12) C2' C3' 1.380(12) C3' C4' 1.360(11) C4' N8' 1.385(10) C4' C5' 1.401(11) C5' O21' 1.379(10) C5' C6' 1.395(12) C6' C7' 1.372(12) N8' C9' 1.42 C9' C14' 1.392(10) C9' C10' 1.40 C10' C11' 1.379(11) C11' C12' 1.358(12) C12' C13' 1.377(12) C13' C14' 1.367(11) C14' O15' 1.420(9) O15' C16' 1.429(11) C16' C17' 1.462(12) C17' O18' 1.422(11) O18' C19' 1.418(10) C19' C20' 1.465(11) C20' O21' 1.452(11) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C7 C2 C3 120.9(9) C7 C2 Cl1 117.9(8) C3 C2 Cl1 121.2(8) C4 C3 C2 121.8(8) C3 C4 N8 126.1(8) C3 C4 C5 116.9(9) N8 C4 C5 116.9(9) O21 C5 C6 117.6(8) O21 C5 C4 120.9(9) C6 C5 C4 121.5(9) C7 C6 C5 119.6(9) C2 C7 C6 119.3(9) C4 N8 C9 127.4(7) C10 C9 C14 117.7(6) C10 C9 N8 123.5(6) C14 C9 N8 118.7(7) C11 C10 C9 119.7(7) C12 C11 C10 120.1(9) C11 C12 C13 122.1(9) C14 C13 C12 117.8(9) C13 C14 C9 122.5(8) C13 C14 O15 123.0(9) C9 C14 O15 114.5(8) C14 O15 C16 115.9(8) O15 C16 C17 112.7(9) O18 C17 C16 108.5(9) C19 O18 C17 116.1(8) O18 C19 C20 114.0(8) O21 C20 C19 106.4(8) C5 O21 C20 114.9(8) C7' C2' C3' 120.2(9) C4' C3' C2' 122.3(9) C3' C4' N8' 126.0(8) C3' C4' C5' 117.3(9) N8' C4' C5' 116.6(8) O21' C5' C6' 118.7(9) O21' C5' C4' 120.4(9) C6' C5' C4' 120.8(9) C7' C6' C5' 119.9(9) C6' C7' C2' 119.4(9) C4' N8' C9' 125.6(5) C14' C9' C10' 117.5(4) C14' C9' N8' 119.6(4) C10' C9' N8' 123.0 C11' C10' C9' 119.0(5) C12' C11' C10' 121.4(8) C12' C11' Cl1' 120.4(8) C10' C11' Cl1' 118.1(8) C11' C12' C13' 121.2(9) C14' C13' C12' 117.6(9) C13' C14' C9' 123.2(8) C13' C14' O15' 122.3(9) C9' C14' O15' 114.4(8) C14' O15' C16' 114.9(8) O15' C16' C17' 112.8(9) O18' C17' C16' 109.7(9) C19' O18' C17' 115.6(8) O18' C19' C20' 114.3(8) O21' C20' C19' 106.4(8) C5' O21' C20' 114.8(8) 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 C7 C2 C3 C4 1.2(18) Cl1 C2 C3 C4 -178.1(9) C2 C3 C4 N8 177.7(11) C2 C3 C4 C5 2.2(17) C3 C4 C5 O21 175.2(10) N8 C4 C5 O21 -0.7(16) C3 C4 C5 C6 -3.4(17) N8 C4 C5 C6 -179.3(10) O21 C5 C6 C7 -177.4(10) C4 C5 C6 C7 1.2(18) C3 C2 C7 C6 -3.4(18) Cl1 C2 C7 C6 175.9(9) C5 C6 C7 C2 2.2(18) C3 C4 N8 C9 48.7(17) C5 C4 N8 C9 -135.8(11) C4 N8 C9 C10 -5.4(17) C4 N8 C9 C14 175.6(10) C14 C9 C10 C11 -3.9(17) N8 C9 C10 C11 177.1(10) C9 C10 C11 C12 3.9(18) C10 C11 C12 C13 -3.(2) C11 C12 C13 C14 2.(2) C12 C13 C14 C9 -2.1(18) C12 C13 C14 O15 177.7(11) C10 C9 C14 C13 3.1(17) N8 C9 C14 C13 -177.8(11) C10 C9 C14 O15 -176.7(10) N8 C9 C14 O15 2.4(14) C13 C14 O15 C16 59.9(13) C9 C14 O15 C16 -120.2(10) C14 O15 C16 C17 71.1(11) O15 C16 C17 O18 63.6(12) C16 C17 O18 C19 -169.5(9) C17 O18 C19 C20 93.1(11) O18 C19 C20 O21 64.1(12) C6 C5 O21 C20 -102.2(11) C4 C5 O21 C20 79.2(13) C19 C20 O21 C5 -155.0(8) C7' C2' C3' C4' -0.5(19) C2' C3' C4' N8' 179.1(11) C2' C3' C4' C5' 2.3(18) C3' C4' C5' O21' 176.5(10) N8' C4' C5' O21' -0.6(16) C3' C4' C5' C6' -2.3(18) N8' C4' C5' C6' -179.4(10) O21' C5' C6' C7' -178.3(11) C4' C5' C6' C7' 0.5(19) C5' C6' C7' C2' 1.3(19) C3' C2' C7' C6' -1.(2) C3' C4' N8' C9' 51.7(14) C5' C4' N8' C9' -131.6(8) C4' N8' C9' C14' 173.6(9) C4' N8' C9' C10' -6.9(6) C14' C9' C10' C11' 2.2(7) N8' C9' C10' C11' -177.3(6) C9' C10' C11' C12' -2.9(13) C9' C10' C11' Cl1' 179.2(4) C10' C11' C12' C13' 2.5(19) Cl1' C11' C12' C13' -179.7(10) C11' C12' C13' C14' -1.3(19) C12' C13' C14' C9' 0.6(17) C12' C13' C14' O15' 179.4(10) C10' C9' C14' C13' -1.1(12) N8' C9' C14' C13' 178.4(8) C10' C9' C14' O15' -180.0(5) N8' C9' C14' O15' -0.4(9) C13' C14' O15' C16' 61.6(13) C9' C14' O15' C16' -119.5(9) C14' O15' C16' C17' 72.2(11) O15' C16' C17' O18' 64.1(12) C16' C17' O18' C19' -166.9(9) C17' O18' C19' C20' 87.5(12) O18' C19' C20' O21' 67.0(12) C6' C5' O21' C20' -101.2(12) C4' C5' O21' C20' 80.0(14) C19' C20' O21' C5' -158.0(8) _journal_paper_doi 10.1107/S0108768195008135