#------------------------------------------------------------------------------ #$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $ #$Revision: 176729 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/50/39/1503973.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_1503973 loop_ _publ_author_name 'Majetich, George' 'Grove, Jeremy L.' _publ_section_title ; Total synthesis of (+)-19-deoxyicetexone, (-)-icetexone, and (+)-5-epi-icetexone. ; _journal_issue 13 _journal_name_full 'Organic letters' _journal_page_first 2904 _journal_page_last 2907 _journal_paper_doi 10.1021/ol9009128 _journal_volume 11 _journal_year 2009 _chemical_absolute_configuration unk _chemical_formula_sum 'C20 H22 O5' _chemical_formula_weight 342.38 _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 7.747(3) _cell_length_b 10.338(4) _cell_length_c 20.948(9) _cell_measurement_reflns_used 3121 _cell_measurement_temperature 273(2) _cell_measurement_theta_max 24.268 _cell_measurement_theta_min 2.750 _cell_volume 1677.7(12) _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 273(2) _diffrn_measured_fraction_theta_full 0.987 _diffrn_measured_fraction_theta_max 0.987 _diffrn_measurement_device_type 'BRUKER APEX II' _diffrn_measurement_method OMEGA-SCAN _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0749 _diffrn_reflns_av_sigmaI/netI 0.0440 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -10 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_k_min -15 _diffrn_reflns_limit_l_max 31 _diffrn_reflns_limit_l_min -30 _diffrn_reflns_number 21275 _diffrn_reflns_theta_full 31.87 _diffrn_reflns_theta_max 31.87 _diffrn_reflns_theta_min 2.77 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.097 _exptl_absorpt_correction_T_max 0.9875 _exptl_absorpt_correction_T_min 0.9734 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details 'BRUKER SADABS' _exptl_crystal_colour orange _exptl_crystal_density_diffrn 1.355 _exptl_crystal_density_method 'not measured' _exptl_crystal_description PLATE _exptl_crystal_F_000 728 _exptl_crystal_size_max 0.28 _exptl_crystal_size_mid 0.27 _exptl_crystal_size_min 0.13 _refine_diff_density_max 0.301 _refine_diff_density_min -0.271 _refine_diff_density_rms 0.045 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 10(10) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.018 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 226 _refine_ls_number_reflns 3233 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.018 _refine_ls_R_factor_all 0.1035 _refine_ls_R_factor_gt 0.0462 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0613P)^2^+0.4003P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1112 _refine_ls_wR_factor_ref 0.1437 _reflns_number_gt 1930 _reflns_number_total 3233 _reflns_threshold_expression >2sigma(I) _cod_data_source_file ol9009128_si_003.cif _cod_data_source_block j5 _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_hydrogen_treatment' value 'CONSTR' changed to 'constr' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_original_cell_volume 1677.8(12) _cod_original_sg_symbol_H-M P2(1)2(1)2(1) _cod_database_code 1503973 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y, z+1/2' '-x, y+1/2, -z+1/2' 'x+1/2, -y+1/2, -z' 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 O1 O 1.1329(3) 0.7349(2) 0.06851(10) 0.0526(6) Uani 1 1 d . O2 O 1.1113(3) 0.4965(2) 0.03188(10) 0.0534(6) Uani 1 1 d . H2C H 1.0906 0.4225 0.0201 0.080 Uiso 1 1 calc R O3 O 0.5072(3) 0.5451(2) 0.04419(10) 0.0523(5) Uani 1 1 d . O4 O 0.8351(3) 0.79185(18) 0.21349(9) 0.0435(5) Uani 1 1 d . O5 O 0.6967(4) 0.6812(2) 0.28887(11) 0.0692(7) Uani 1 1 d . C1 C 0.9170(5) 1.0174(3) 0.21661(14) 0.0561(8) Uani 1 1 d . H1A H 0.8897 1.1029 0.2004 0.067 Uiso 1 1 calc R H1B H 1.0388 1.0017 0.2094 0.067 Uiso 1 1 calc R C2 C 0.8791(6) 1.0120(4) 0.28803(16) 0.0722(11) Uani 1 1 d . H2A H 0.9204 1.0908 0.3079 0.087 Uiso 1 1 calc R H2B H 0.9418 0.9401 0.3067 0.087 Uiso 1 1 calc R C3 C 0.6879(6) 0.9962(4) 0.30234(16) 0.0694(11) Uani 1 1 d . H3A H 0.6745 0.9699 0.3465 0.083 Uiso 1 1 calc R H3B H 0.6315 1.0794 0.2973 0.083 Uiso 1 1 calc R C4 C 0.5976(5) 0.8974(3) 0.25951(14) 0.0492(7) Uani 1 1 d . C5 C 0.6190(4) 0.9423(3) 0.18943(13) 0.0418(6) Uani 1 1 d . H5A H 0.5982 1.0357 0.1871 0.050 Uiso 1 1 calc R C6 C 0.4980(4) 0.8750(3) 0.14482(14) 0.0449(7) Uani 1 1 d . H6A H 0.3849 0.9046 0.1473 0.054 Uiso 1 1 calc R C7 C 0.5210(4) 0.7812(3) 0.10232(13) 0.0426(6) Uani 1 1 d . H7A H 0.4210 0.7531 0.0820 0.051 Uiso 1 1 calc R C8 C 0.6774(3) 0.7158(3) 0.08276(11) 0.0346(5) Uani 1 1 d . C9 C 0.8365(3) 0.7679(3) 0.08671(11) 0.0342(5) Uani 1 1 d . C10 C 0.8112(4) 0.9170(3) 0.18098(12) 0.0389(6) Uani 1 1 d . C11 C 0.9850(4) 0.6922(3) 0.06674(11) 0.0372(6) Uani 1 1 d . C12 C 0.9618(4) 0.5580(3) 0.04513(12) 0.0392(6) Uani 1 1 d . C13 C 0.8049(4) 0.5036(3) 0.03884(12) 0.0405(6) Uani 1 1 d . C14 C 0.6537(4) 0.5837(3) 0.05411(11) 0.0364(6) Uani 1 1 d . C15 C 0.7756(5) 0.3654(3) 0.01719(15) 0.0513(8) Uani 1 1 d . H15A H 0.6507 0.3503 0.0177 0.062 Uiso 1 1 calc R C16 C 0.8366(6) 0.3444(4) -0.05109(16) 0.0731(11) Uani 1 1 d . H16A H 0.7823 0.4066 -0.0786 0.110 Uiso 1 1 calc R H16B H 0.8063 0.2587 -0.0646 0.110 Uiso 1 1 calc R H16C H 0.9596 0.3548 -0.0531 0.110 Uiso 1 1 calc R C17 C 0.8561(6) 0.2689(3) 0.06241(18) 0.0717(11) Uani 1 1 d . H17A H 0.8149 0.2845 0.1049 0.108 Uiso 1 1 calc R H17B H 0.9794 0.2780 0.0615 0.108 Uiso 1 1 calc R H17C H 0.8252 0.1828 0.0495 0.108 Uiso 1 1 calc R C18 C 0.4151(5) 0.8720(4) 0.28209(18) 0.0703(11) Uani 1 1 d . H18A H 0.4174 0.8438 0.3257 0.105 Uiso 1 1 calc R H18B H 0.3636 0.8061 0.2560 0.105 Uiso 1 1 calc R H18C H 0.3487 0.9501 0.2788 0.105 Uiso 1 1 calc R C19 C 0.7077(4) 0.7769(3) 0.25747(13) 0.0467(7) Uani 1 1 d . C20 C 0.8697(4) 0.9005(3) 0.11203(13) 0.0412(6) Uani 1 1 d . H20A H 0.8099 0.9630 0.0855 0.049 Uiso 1 1 calc R H20B H 0.9924 0.9187 0.1093 0.049 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 O1 0.0328(11) 0.0615(14) 0.0634(13) -0.0084(11) -0.0001(9) -0.0054(10) O2 0.0473(13) 0.0504(12) 0.0623(12) -0.0099(11) 0.0045(10) 0.0087(11) O3 0.0419(12) 0.0520(12) 0.0629(12) -0.0106(10) -0.0027(10) -0.0145(10) O4 0.0486(12) 0.0421(10) 0.0400(9) 0.0023(8) -0.0017(8) 0.0055(10) O5 0.0911(19) 0.0568(13) 0.0595(13) 0.0210(12) 0.0094(14) 0.0043(15) C1 0.063(2) 0.0532(18) 0.0518(16) -0.0115(15) 0.0002(15) -0.0115(17) C2 0.090(3) 0.078(3) 0.0485(17) -0.0210(18) -0.0033(18) -0.018(2) C3 0.099(3) 0.062(2) 0.0474(16) -0.0140(16) 0.0120(19) 0.003(2) C4 0.063(2) 0.0422(15) 0.0425(14) -0.0042(12) 0.0116(14) 0.0019(15) C5 0.0469(16) 0.0326(13) 0.0460(14) -0.0001(11) 0.0052(12) 0.0025(13) C6 0.0368(15) 0.0446(15) 0.0533(15) 0.0045(13) 0.0024(13) 0.0060(14) C7 0.0324(14) 0.0471(16) 0.0483(14) 0.0017(12) -0.0067(11) 0.0022(13) C8 0.0349(14) 0.0386(13) 0.0303(10) 0.0022(10) -0.0033(9) -0.0009(12) C9 0.0364(14) 0.0374(13) 0.0287(10) 0.0014(9) -0.0004(10) -0.0046(12) C10 0.0454(16) 0.0338(13) 0.0376(12) -0.0003(10) -0.0006(11) -0.0020(13) C11 0.0333(14) 0.0498(16) 0.0286(10) 0.0027(11) -0.0008(10) -0.0030(12) C12 0.0406(15) 0.0438(15) 0.0332(12) 0.0016(11) 0.0019(11) 0.0047(13) C13 0.0476(16) 0.0391(13) 0.0347(11) -0.0003(11) 0.0012(12) -0.0030(14) C14 0.0364(15) 0.0418(14) 0.0310(11) 0.0028(10) -0.0015(10) -0.0076(12) C15 0.059(2) 0.0375(15) 0.0574(17) -0.0059(13) 0.0060(16) -0.0038(15) C16 0.107(3) 0.059(2) 0.0535(18) -0.0174(16) 0.003(2) -0.012(2) C17 0.099(3) 0.0437(18) 0.073(2) 0.0045(16) 0.023(2) 0.006(2) C18 0.072(3) 0.072(2) 0.066(2) -0.0033(19) 0.028(2) 0.004(2) C19 0.0569(18) 0.0467(16) 0.0366(12) 0.0028(12) 0.0020(12) 0.0002(15) C20 0.0421(16) 0.0398(14) 0.0419(13) -0.0012(11) 0.0039(12) -0.0095(13) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0000 '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' O O 0.0106 0.0000 '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 C19 O4 C10 108.8(2) C10 C1 C2 110.7(3) C1 C2 C3 112.6(3) C4 C3 C2 113.7(3) C19 C4 C18 113.2(3) C19 C4 C3 108.0(3) C18 C4 C3 111.1(3) C19 C4 C5 99.2(2) C18 C4 C5 116.6(3) C3 C4 C5 107.9(3) C6 C5 C10 117.4(2) C6 C5 C4 112.7(2) C10 C5 C4 99.4(2) C7 C6 C5 132.4(3) C6 C7 C8 130.0(3) C9 C8 C7 124.2(3) C9 C8 C14 120.0(2) C7 C8 C14 115.8(2) C8 C9 C11 119.4(2) C8 C9 C20 123.2(3) C11 C9 C20 117.4(2) O4 C10 C1 107.8(2) O4 C10 C20 107.6(2) C1 C10 C20 112.4(2) O4 C10 C5 102.7(2) C1 C10 C5 110.7(2) C20 C10 C5 114.9(2) O1 C11 C9 122.4(3) O1 C11 C12 117.5(3) C9 C11 C12 120.0(2) O2 C12 C13 123.9(3) O2 C12 C11 113.7(2) C13 C12 C11 122.3(3) C12 C13 C14 117.6(2) C12 C13 C15 123.9(3) C14 C13 C15 118.5(3) O3 C14 C13 121.3(2) O3 C14 C8 118.6(3) C13 C14 C8 120.1(2) C13 C15 C16 111.7(3) C13 C15 C17 111.9(3) C16 C15 C17 111.5(3) O5 C19 O4 121.4(3) O5 C19 C4 129.0(3) O4 C19 C4 109.6(2) C9 C20 C10 112.8(2) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O1 C11 1.229(3) O2 C12 1.350(4) O3 C14 1.221(3) O4 C19 1.359(4) O4 C10 1.474(3) O5 C19 1.191(3) C1 C10 1.519(4) C1 C2 1.526(5) C2 C3 1.520(6) C3 C4 1.529(5) C4 C19 1.510(5) C4 C18 1.513(5) C4 C5 1.549(4) C5 C6 1.495(4) C5 C10 1.522(4) C6 C7 1.329(4) C7 C8 1.446(4) C8 C9 1.347(4) C8 C14 1.503(4) C9 C11 1.453(4) C9 C20 1.493(4) C10 C20 1.524(4) C11 C12 1.471(4) C12 C13 1.346(4) C13 C14 1.470(4) C13 C15 1.516(4) C15 C16 1.522(5) C15 C17 1.511(5)