#------------------------------------------------------------------------------ #$Date: 2014-07-05 15:19:05 +0300 (Sat, 05 Jul 2014) $ #$Revision: 119295 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/51/65/1516501.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1516501 loop_ _publ_author_name 'Xiao, You-Cai' 'Yue, Cai-Zhen' 'Chen, Peng-Qiao' 'Chen, Ying-Chun' _publ_section_title ; Asymmetric Dearomatic Diels-Alder Reactions of Diverse Heteroarenes via \p-System Activation. ; _journal_issue 12 _journal_name_full 'Organic letters' _journal_page_first 3208 _journal_page_last 3211 _journal_paper_doi 10.1021/ol501217u _journal_volume 16 _journal_year 2014 _chemical_absolute_configuration ad _chemical_formula_sum 'C23 H23 N O6' _chemical_formula_weight 409.42 _chemical_name_systematic ; ? ; _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' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 7.42320(10) _cell_length_b 16.13800(10) _cell_length_c 16.73780(10) _cell_measurement_reflns_used 11762 _cell_measurement_temperature 290(2) _cell_measurement_theta_max 69.4817 _cell_measurement_theta_min 3.8017 _cell_volume 2005.11(3) _computing_cell_refinement 'CrysAlisPro (Agilent Technologies)' _computing_data_collection 'CrysAlisPro (Agilent Technologies)' _computing_data_reduction 'CrysAlisPro (Agilent Technologies)' _computing_molecular_graphics 'Ortep-3 (L. J. Farrugia, 2001)' _computing_publication_material SHELXL-97 _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1997)' _diffrn_ambient_temperature 290(2) _diffrn_detector_area_resol_mean 15.9149 _diffrn_measured_fraction_theta_full 0.992 _diffrn_measured_fraction_theta_max 0.993 _diffrn_measurement_device_type 'Gemini S Ultra, Agilent Technologies' _diffrn_measurement_method '\w scans' _diffrn_radiation_monochromator mirror _diffrn_radiation_source 'Enhance Ultra (Cu) X-ray Source' _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.54184 _diffrn_reflns_av_R_equivalents 0.0247 _diffrn_reflns_av_sigmaI/netI 0.0164 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -8 _diffrn_reflns_limit_k_max 19 _diffrn_reflns_limit_k_min -19 _diffrn_reflns_limit_l_max 20 _diffrn_reflns_limit_l_min -20 _diffrn_reflns_number 17980 _diffrn_reflns_theta_full 69.61 _diffrn_reflns_theta_max 69.61 _diffrn_reflns_theta_min 3.80 _exptl_absorpt_coefficient_mu 0.814 _exptl_absorpt_correction_T_max 0.8224 _exptl_absorpt_correction_T_min 0.7582 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; CrysAlisPro, Agilent Technologies, Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET) (compiled Sep 14 2012,17:21:16) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. ; _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.356 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 864 _exptl_crystal_size_max 0.36 _exptl_crystal_size_mid 0.28 _exptl_crystal_size_min 0.25 _refine_diff_density_max 0.123 _refine_diff_density_min -0.126 _refine_diff_density_rms 0.031 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack -0.12(15) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.038 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 274 _refine_ls_number_reflns 3728 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.038 _refine_ls_R_factor_all 0.0311 _refine_ls_R_factor_gt 0.0295 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+0.1588P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0778 _refine_ls_wR_factor_ref 0.0792 _reflns_number_gt 3572 _reflns_number_total 3728 _reflns_threshold_expression >2sigma(I) _[local]_cod_data_source_file ol501217u_si_002.cif _[local]_cod_data_source_block 16 _cod_depositor_comments 'Adding full bibliography for 1516501.cif.' _cod_database_code 1516501 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y, z+1/2' 'x+1/2, -y+1/2, -z' '-x, y+1/2, -z+1/2' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags O4 O 0.37081(15) 0.87789(6) 0.51394(5) 0.0450(2) Uani 1 1 d . O1 O -0.01091(15) 1.14059(6) 0.57362(6) 0.0496(3) Uani 1 1 d . O3 O 0.04324(14) 0.88738(6) 0.64144(6) 0.0467(2) Uani 1 1 d . O2 O -0.08170(16) 1.00472(7) 0.68734(7) 0.0539(3) Uani 1 1 d . N1 N 0.44629(16) 0.84490(7) 0.64518(6) 0.0373(3) Uani 1 1 d . O6 O 0.76650(19) 0.94291(9) 0.50743(7) 0.0693(4) Uani 1 1 d . O5 O 0.5263(2) 0.72087(7) 0.69616(8) 0.0766(4) Uani 1 1 d . C6 C 0.35595(18) 0.98408(7) 0.61704(7) 0.0321(3) Uani 1 1 d . C9 C 0.37285(18) 0.96880(8) 0.70590(7) 0.0337(3) Uani 1 1 d . C20 C 0.6619(2) 0.97847(9) 0.46458(9) 0.0448(3) Uani 1 1 d . C7 C 0.50763(18) 1.04437(8) 0.58702(7) 0.0345(3) Uani 1 1 d . H7 H 0.6211 1.0256 0.6109 0.041 Uiso 1 1 calc R C11 C 0.39082(18) 0.89730(8) 0.58268(7) 0.0340(3) Uani 1 1 d . C19 C 0.5331(2) 1.04327(8) 0.49599(7) 0.0403(3) Uani 1 1 d . H19A H 0.4164 1.0345 0.4712 0.048 Uiso 1 1 calc R H19B H 0.5758 1.0974 0.4793 0.048 Uiso 1 1 calc R C10 C 0.42674(18) 0.88733(9) 0.71981(8) 0.0376(3) Uani 1 1 d . C12 C 0.3394(2) 1.02113(9) 0.76935(8) 0.0416(3) Uani 1 1 d . H12 H 0.3021 1.0754 0.7604 0.050 Uiso 1 1 calc R C5 C 0.16136(18) 1.01088(8) 0.59092(8) 0.0354(3) Uani 1 1 d . H5 H 0.1408 0.9911 0.5363 0.043 Uiso 1 1 calc R C3 C 0.2830(2) 1.15814(8) 0.60088(8) 0.0409(3) Uani 1 1 d . C4 C 0.1503(2) 1.10241(8) 0.59059(8) 0.0395(3) Uani 1 1 d . C15 C 0.4483(2) 0.85728(10) 0.79644(8) 0.0503(4) Uani 1 1 d . H15 H 0.4832 0.8027 0.8055 0.060 Uiso 1 1 calc R C13 C 0.3623(2) 0.99188(10) 0.84668(8) 0.0512(4) Uani 1 1 d . H13 H 0.3413 1.0268 0.8899 0.061 Uiso 1 1 calc R C22 C 0.4983(2) 0.76146(9) 0.63720(9) 0.0464(3) Uani 1 1 d . C21 C 0.6557(3) 0.96237(14) 0.37645(10) 0.0655(5) Uani 1 1 d . H21C H 0.6761 1.0132 0.3481 0.098 Uiso 1 1 calc R H21A H 0.5397 0.9405 0.3623 0.098 Uiso 1 1 calc R H21B H 0.7475 0.9230 0.3624 0.098 Uiso 1 1 calc R C8 C 0.4732(2) 1.13309(8) 0.61733(8) 0.0403(3) Uani 1 1 d . H8B H 0.4962 1.1357 0.6743 0.048 Uiso 1 1 calc R H8A H 0.5549 1.1712 0.5909 0.048 Uiso 1 1 calc R C16 C 0.02414(19) 0.96961(9) 0.64553(8) 0.0395(3) Uani 1 1 d . C14 C 0.4160(3) 0.91125(11) 0.85965(9) 0.0579(4) Uani 1 1 d . H14 H 0.4311 0.8925 0.9118 0.069 Uiso 1 1 calc R C23 C 0.5240(3) 0.72690(10) 0.55572(11) 0.0678(5) Uani 1 1 d . H23B H 0.5908 0.6761 0.5591 0.102 Uiso 1 1 calc R H23C H 0.5892 0.7660 0.5235 0.102 Uiso 1 1 calc R H23A H 0.4086 0.7163 0.5319 0.102 Uiso 1 1 calc R C2 C 0.1995(3) 1.23808(9) 0.59090(10) 0.0533(4) Uani 1 1 d . H2 H 0.2553 1.2895 0.5949 0.064 Uiso 1 1 calc R C1 C 0.0263(3) 1.22370(10) 0.57470(11) 0.0580(4) Uani 1 1 d . H1 H -0.0585 1.2650 0.5653 0.070 Uiso 1 1 calc R C17 C -0.0620(3) 0.83943(12) 0.69817(14) 0.0718(6) Uani 1 1 d . H17A H -0.1895 0.8459 0.6871 0.086 Uiso 1 1 calc R H17B H -0.0388 0.8587 0.7521 0.086 Uiso 1 1 calc R C18 C -0.0098(3) 0.75098(12) 0.69045(14) 0.0798(6) Uani 1 1 d . H18A H -0.0249 0.7336 0.6360 0.120 Uiso 1 1 calc R H18B H -0.0847 0.7178 0.7246 0.120 Uiso 1 1 calc R H18C H 0.1140 0.7444 0.7058 0.120 Uiso 1 1 calc R loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 O4 0.0604(6) 0.0396(5) 0.0350(5) -0.0050(4) -0.0020(4) -0.0006(5) O1 0.0450(6) 0.0473(5) 0.0563(6) 0.0056(4) -0.0087(5) 0.0118(5) O3 0.0411(5) 0.0446(5) 0.0543(6) 0.0045(4) 0.0036(5) -0.0052(4) O2 0.0491(6) 0.0613(7) 0.0514(6) -0.0015(5) 0.0080(5) 0.0049(5) N1 0.0433(6) 0.0324(5) 0.0362(5) 0.0029(4) 0.0003(5) 0.0023(5) O6 0.0664(8) 0.0862(9) 0.0554(7) -0.0125(6) -0.0104(6) 0.0326(7) O5 0.1188(12) 0.0427(6) 0.0684(7) 0.0155(5) 0.0058(8) 0.0232(7) C6 0.0364(7) 0.0308(6) 0.0290(6) 0.0004(4) -0.0029(5) 0.0009(5) C9 0.0335(6) 0.0376(6) 0.0299(6) 0.0026(5) -0.0018(5) 0.0003(5) C20 0.0427(8) 0.0519(8) 0.0398(7) -0.0027(6) 0.0009(6) -0.0021(7) C7 0.0358(7) 0.0337(6) 0.0341(6) 0.0020(5) -0.0029(5) 0.0011(5) C11 0.0357(7) 0.0332(6) 0.0331(6) 0.0004(5) -0.0003(5) -0.0012(5) C19 0.0466(8) 0.0392(7) 0.0351(6) 0.0060(5) 0.0001(6) 0.0004(6) C10 0.0370(7) 0.0404(7) 0.0352(6) 0.0039(5) -0.0009(5) 0.0015(6) C12 0.0474(8) 0.0425(7) 0.0351(7) -0.0026(5) -0.0021(6) 0.0009(6) C5 0.0376(7) 0.0378(6) 0.0310(6) 0.0000(5) -0.0053(5) 0.0026(5) C3 0.0500(8) 0.0339(6) 0.0387(7) 0.0014(5) -0.0031(6) 0.0040(6) C4 0.0417(8) 0.0400(7) 0.0367(6) 0.0037(5) -0.0038(6) 0.0086(6) C15 0.0615(10) 0.0484(8) 0.0408(7) 0.0109(6) -0.0048(7) 0.0069(7) C13 0.0614(10) 0.0610(9) 0.0313(7) -0.0056(6) 0.0007(6) 0.0009(8) C22 0.0477(8) 0.0341(7) 0.0574(8) 0.0033(6) 0.0041(7) 0.0044(6) C21 0.0675(12) 0.0867(12) 0.0422(8) -0.0098(8) 0.0062(8) 0.0074(10) C8 0.0452(8) 0.0337(6) 0.0421(7) -0.0004(5) -0.0051(6) -0.0033(6) C16 0.0371(7) 0.0437(7) 0.0378(7) -0.0002(5) -0.0065(6) 0.0000(6) C14 0.0744(12) 0.0673(10) 0.0319(7) 0.0089(6) -0.0029(7) 0.0040(9) C23 0.0896(15) 0.0454(8) 0.0683(11) -0.0105(7) 0.0049(10) 0.0197(10) C2 0.0665(11) 0.0352(7) 0.0582(9) 0.0020(6) -0.0052(8) 0.0076(7) C1 0.0649(11) 0.0418(8) 0.0673(10) 0.0062(7) -0.0076(9) 0.0174(8) C17 0.0629(12) 0.0567(10) 0.0958(14) 0.0128(9) 0.0258(11) -0.0136(9) C18 0.0871(15) 0.0553(10) 0.0972(15) 0.0146(10) 0.0214(13) -0.0110(11) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0181 0.0091 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 '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' O O 0.0492 0.0322 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C1 O1 C4 105.09(13) C16 O3 C17 116.01(13) C11 N1 C22 125.80(11) C11 N1 C10 109.36(10) C22 N1 C10 124.63(11) C9 C6 C11 101.86(10) C9 C6 C5 113.27(11) C11 C6 C5 107.58(10) C9 C6 C7 110.85(10) C11 C6 C7 108.92(10) C5 C6 C7 113.57(10) C12 C9 C10 120.03(12) C12 C9 C6 129.96(12) C10 C9 C6 109.98(11) O6 C20 C21 121.61(16) O6 C20 C19 122.09(13) C21 C20 C19 116.29(14) C19 C7 C8 110.97(10) C19 C7 C6 113.48(11) C8 C7 C6 110.59(11) C19 C7 H7 107.2 C8 C7 H7 107.2 C6 C7 H7 107.2 O4 C11 N1 126.26(12) O4 C11 C6 125.12(12) N1 C11 C6 108.61(10) C20 C19 C7 115.52(12) C20 C19 H19A 108.4 C7 C19 H19A 108.4 C20 C19 H19B 108.4 C7 C19 H19B 108.4 H19A C19 H19B 107.5 C15 C10 C9 121.32(13) C15 C10 N1 129.11(13) C9 C10 N1 109.54(11) C9 C12 C13 119.20(13) C9 C12 H12 120.4 C13 C12 H12 120.4 C4 C5 C16 113.71(12) C4 C5 C6 109.09(11) C16 C5 C6 109.15(10) C4 C5 H5 108.3 C16 C5 H5 108.3 C6 C5 H5 108.3 C4 C3 C2 105.63(14) C4 C3 C8 122.32(12) C2 C3 C8 132.05(14) C3 C4 O1 111.34(12) C3 C4 C5 128.82(13) O1 C4 C5 119.75(13) C10 C15 C14 117.82(14) C10 C15 H15 121.1 C14 C15 H15 121.1 C14 C13 C12 120.22(14) C14 C13 H13 119.9 C12 C13 H13 119.9 O5 C22 N1 119.40(14) O5 C22 C23 121.77(14) N1 C22 C23 118.78(13) C20 C21 H21C 109.5 C20 C21 H21A 109.5 H21C C21 H21A 109.5 C20 C21 H21B 109.5 H21C C21 H21B 109.5 H21A C21 H21B 109.5 C3 C8 C7 110.33(11) C3 C8 H8B 109.6 C7 C8 H8B 109.6 C3 C8 H8A 109.6 C7 C8 H8A 109.6 H8B C8 H8A 108.1 O2 C16 O3 124.79(14) O2 C16 C5 125.75(13) O3 C16 C5 109.44(12) C13 C14 C15 121.41(14) C13 C14 H14 119.3 C15 C14 H14 119.3 C22 C23 H23B 109.5 C22 C23 H23C 109.5 H23B C23 H23C 109.5 C22 C23 H23A 109.5 H23B C23 H23A 109.5 H23C C23 H23A 109.5 C1 C2 C3 106.38(15) C1 C2 H2 126.8 C3 C2 H2 126.8 C2 C1 O1 111.56(14) C2 C1 H1 124.2 O1 C1 H1 124.2 O3 C17 C18 108.36(16) O3 C17 H17A 110.0 C18 C17 H17A 110.0 O3 C17 H17B 110.0 C18 C17 H17B 110.0 H17A C17 H17B 108.4 C17 C18 H18A 109.5 C17 C18 H18B 109.5 H18A C18 H18B 109.5 C17 C18 H18C 109.5 H18A C18 H18C 109.5 H18B C18 H18C 109.5 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O4 C11 1.2016(16) O1 C1 1.370(2) O1 C4 1.3757(17) O3 C16 1.3363(17) O3 C17 1.453(2) O2 C16 1.1951(18) N1 C11 1.4068(16) N1 C22 1.4071(18) N1 C10 1.4318(17) O6 C20 1.2026(19) O5 C22 1.2026(19) C6 C9 1.5128(17) C6 C11 1.5358(17) C6 C5 1.5699(18) C6 C7 1.5706(18) C9 C12 1.3793(18) C9 C10 1.3940(18) C20 C21 1.498(2) C20 C19 1.512(2) C7 C19 1.5354(16) C7 C8 1.5404(17) C7 H7 0.9800 C19 H19A 0.9700 C19 H19B 0.9700 C10 C15 1.3805(19) C12 C13 1.388(2) C12 H12 0.9300 C5 C4 1.4794(18) C5 C16 1.522(2) C5 H5 0.9800 C3 C4 1.345(2) C3 C2 1.441(2) C3 C8 1.495(2) C15 C14 1.391(2) C15 H15 0.9300 C13 C14 1.378(2) C13 H13 0.9300 C22 C23 1.486(2) C21 H21C 0.9600 C21 H21A 0.9600 C21 H21B 0.9600 C8 H8B 0.9700 C8 H8A 0.9700 C14 H14 0.9300 C23 H23B 0.9600 C23 H23C 0.9600 C23 H23A 0.9600 C2 C1 1.334(3) C2 H2 0.9300 C1 H1 0.9300 C17 C18 1.485(3) C17 H17A 0.9700 C17 H17B 0.9700 C18 H18A 0.9600 C18 H18B 0.9600 C18 H18C 0.9600 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 C11 C6 C9 C12 -173.21(15) C5 C6 C9 C12 -58.0(2) C7 C6 C9 C12 71.04(19) C11 C6 C9 C10 5.06(15) C5 C6 C9 C10 120.29(12) C7 C6 C9 C10 -110.69(12) C9 C6 C7 C19 163.47(11) C11 C6 C7 C19 52.18(14) C5 C6 C7 C19 -67.67(14) C9 C6 C7 C8 -71.08(13) C11 C6 C7 C8 177.64(10) C5 C6 C7 C8 57.78(13) C22 N1 C11 O4 4.0(2) C10 N1 C11 O4 -170.97(14) C22 N1 C11 C6 -177.12(13) C10 N1 C11 C6 7.95(15) C9 C6 C11 O4 171.12(13) C5 C6 C11 O4 51.78(17) C7 C6 C11 O4 -71.72(16) C9 C6 C11 N1 -7.82(14) C5 C6 C11 N1 -127.15(11) C7 C6 C11 N1 109.35(11) O6 C20 C19 C7 -15.8(2) C21 C20 C19 C7 165.77(14) C8 C7 C19 C20 147.21(12) C6 C7 C19 C20 -87.55(15) C12 C9 C10 C15 -0.2(2) C6 C9 C10 C15 -178.62(14) C12 C9 C10 N1 177.84(13) C6 C9 C10 N1 -0.62(16) C11 N1 C10 C15 173.11(15) C22 N1 C10 C15 -1.9(2) C11 N1 C10 C9 -4.68(16) C22 N1 C10 C9 -179.69(13) C10 C9 C12 C13 0.8(2) C6 C9 C12 C13 178.89(15) C9 C6 C5 C4 92.76(13) C11 C6 C5 C4 -155.47(11) C7 C6 C5 C4 -34.86(15) C9 C6 C5 C16 -32.03(14) C11 C6 C5 C16 79.74(12) C7 C6 C5 C16 -159.64(10) C2 C3 C4 O1 0.89(16) C8 C3 C4 O1 -177.97(12) C2 C3 C4 C5 177.18(14) C8 C3 C4 C5 -1.7(2) C1 O1 C4 C3 -0.73(17) C1 O1 C4 C5 -177.40(13) C16 C5 C4 C3 129.49(15) C6 C5 C4 C3 7.4(2) C16 C5 C4 O1 -54.49(17) C6 C5 C4 O1 -176.57(11) C9 C10 C15 C14 -0.6(2) N1 C10 C15 C14 -178.17(16) C9 C12 C13 C14 -0.6(3) C11 N1 C22 O5 -172.88(16) C10 N1 C22 O5 1.3(2) C11 N1 C22 C23 9.5(2) C10 N1 C22 C23 -176.30(16) C4 C3 C8 C7 23.21(18) C2 C3 C8 C7 -155.31(16) C19 C7 C8 C3 77.62(14) C6 C7 C8 C3 -49.24(14) C17 O3 C16 O2 -6.1(2) C17 O3 C16 C5 172.11(14) C4 C5 C16 O2 -2.3(2) C6 C5 C16 O2 119.78(15) C4 C5 C16 O3 179.50(11) C6 C5 C16 O3 -58.45(13) C12 C13 C14 C15 -0.1(3) C10 C15 C14 C13 0.7(3) C4 C3 C2 C1 -0.71(19) C8 C3 C2 C1 178.00(16) C3 C2 C1 O1 0.3(2) C4 O1 C1 C2 0.24(19) C16 O3 C17 C18 -174.29(17)