#------------------------------------------------------------------------------ #$Date: 2017-10-14 20:27:35 +0100 (Sat, 14 Oct 2017) $ #$Revision: 202017 $ #$URL: svn://www.crystallography.net/cod/cif/7/05/12/7051209.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_7051209 loop_ _publ_author_name 'Banciu, Mircea D.' 'Castellano, Eduardo E.' 'Ellena, Javier' 'Haiduc, Ionel' 'Draghici, Constantin' 'Balaban, Alexandru T.' _publ_section_title ; Serendipitous, one-pot formation of 2,3,7-triphenylcyclopenta[c]pyran from 1,2-diphenylethanedione (\^a€œbenzil\^a€) and cyclopentadiene ; _journal_issue 11 _journal_name_full 'New Journal of Chemistry' _journal_page_first 1472 _journal_paper_doi 10.1039/b105878a _journal_volume 25 _journal_year 2001 _chemical_formula_sum 'C26 H18 O' _chemical_formula_weight 346.40 _chemical_name_systematic ; 2,3,7-Triphenylcyclopenta[c]pyran ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 98.303(2) _cell_angle_beta 94.060(3) _cell_angle_gamma 96.414(2) _cell_formula_units_Z 2 _cell_length_a 8.2130(4) _cell_length_b 9.9120(4) _cell_length_c 11.5310(5) _cell_measurement_reflns_used 13322 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 27.485 _cell_measurement_theta_min 0.998 _cell_volume 919.44(7) _computing_cell_refinement 'HKL Scalepack (Otwinowski & Minor 1997)' _computing_data_collection 'Collect (Nonius BV, 1997-2000)' _computing_data_reduction 'HKL Denzo and Scalepack (Otwinowski & Minor 1997)' _computing_molecular_graphics 'Ortep-3 for Windows (Farrugia, 1997)' _computing_publication_material 'WinGX publication routines (Farrugia, 1999)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_detector_area_resol_mean 9 _diffrn_measured_fraction_theta_full 0.999 _diffrn_measured_fraction_theta_max 0.999 _diffrn_measurement_device '95mm CCD camera on \k-goniostat' _diffrn_measurement_device_type KappaCCD _diffrn_measurement_method '\f scans and \w scans winth \k offsets' _diffrn_radiation_monochromator 'horizonally mounted graphite crystal' _diffrn_radiation_probe x-ray _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71070 _diffrn_reflns_av_R_equivalents 0.0175 _diffrn_reflns_av_sigmaI/netI 0.0306 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 11 _diffrn_reflns_limit_k_min -11 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 6152 _diffrn_reflns_theta_full 25.00 _diffrn_reflns_theta_max 25.00 _diffrn_reflns_theta_min 1.79 _diffrn_standards_decay_% 0 _exptl_absorpt_coefficient_mu 0.075 _exptl_absorpt_correction_type none _exptl_crystal_colour Colourless _exptl_crystal_density_diffrn 1.251 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Prism _exptl_crystal_F_000 364 _exptl_crystal_size_max 0.250 _exptl_crystal_size_mid 0.115 _exptl_crystal_size_min 0.087 _refine_diff_density_max 0.253 _refine_diff_density_min -0.357 _refine_diff_density_rms 0.107 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.113 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 244 _refine_ls_number_reflns 3243 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.113 _refine_ls_R_factor_all 0.0671 _refine_ls_R_factor_gt 0.0471 _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^)+(0.0955P)^2^+0.0367P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1250 _refine_ls_wR_factor_ref 0.1548 _reflns_number_gt 2504 _reflns_number_total 3243 _reflns_threshold_expression >2sigma(I) _cod_data_source_file b105878a.txt _cod_data_source_block global _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius ; _cod_original_sg_symbol_H-M P-1 _cod_database_code 7051209 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -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 _atom_site_disorder_assembly _atom_site_disorder_group O1 O 0.86041(14) 0.27159(11) -0.07083(9) 0.0504(3) Uani 1 1 d . . . C1 C 0.9427(2) 0.20269(16) -0.15393(14) 0.0470(4) Uani 1 1 d . . . C2 C 1.0843(2) 0.15332(17) -0.12135(15) 0.0500(4) Uani 1 1 d . . . C3 C 1.1961(2) 0.07687(19) -0.18449(17) 0.0615(5) Uani 1 1 d . . . H3 H 1.1860 0.0440 -0.2647 0.074 Uiso 1 1 calc R . . C4 C 1.3202(3) 0.0613(2) -0.10482(19) 0.0696(6) Uani 1 1 d . . . H4 H 1.4097 0.0150 -0.1230 0.083 Uiso 1 1 calc R . . C5 C 1.2948(2) 0.1252(2) 0.00984(17) 0.0639(5) Uani 1 1 d . . . H5 H 1.3644 0.1289 0.0777 0.077 Uiso 1 1 calc R . . C6 C 1.1490(2) 0.18069(17) 0.00247(15) 0.0506(4) Uani 1 1 d . . . C7 C 1.0584(2) 0.25405(16) 0.08688(14) 0.0471(4) Uani 1 1 d . . . C8 C 0.9147(2) 0.29464(17) 0.04731(14) 0.0470(4) Uani 1 1 d . . . C11 C 0.8539(2) 0.18849(16) -0.27122(14) 0.0479(4) Uani 1 1 d . . . C12 C 0.9361(2) 0.1833(2) -0.37281(15) 0.0602(5) Uani 1 1 d . . . H12 H 1.0504 0.1916 -0.3672 0.072 Uiso 1 1 calc R . . C13 C 0.8490(3) 0.1660(2) -0.48229(16) 0.0678(5) Uani 1 1 d . . . H13 H 0.9051 0.1629 -0.5497 0.081 Uiso 1 1 calc R . . C14 C 0.6807(3) 0.15343(19) -0.49187(17) 0.0652(5) Uani 1 1 d . . . H14 H 0.6226 0.1402 -0.5657 0.078 Uiso 1 1 calc R . . C15 C 0.5976(3) 0.1604(2) -0.39191(17) 0.0637(5) Uani 1 1 d . . . H15 H 0.4833 0.1530 -0.3984 0.076 Uiso 1 1 calc R . . C16 C 0.6830(2) 0.17838(18) -0.28196(16) 0.0550(4) Uani 1 1 d . . . H16 H 0.6260 0.1837 -0.2149 0.066 Uiso 1 1 calc R . . C21 C 0.7956(2) 0.36743(16) 0.11420(14) 0.0464(4) Uani 1 1 d . . . C22 C 0.7356(2) 0.48023(18) 0.07513(16) 0.0576(5) Uani 1 1 d . . . H22 H 0.7713 0.5093 0.0070 0.069 Uiso 1 1 calc R . . C23 C 0.6239(3) 0.5495(2) 0.13601(18) 0.0649(5) Uani 1 1 d . . . H23 H 0.5860 0.6258 0.1097 0.078 Uiso 1 1 calc R . . C24 C 0.5686(2) 0.5057(2) 0.23564(17) 0.0652(5) Uani 1 1 d . . . H24 H 0.4927 0.5521 0.2766 0.078 Uiso 1 1 calc R . . C25 C 0.6252(3) 0.3934(2) 0.27493(17) 0.0658(5) Uani 1 1 d . . . H25 H 0.5871 0.3638 0.3422 0.079 Uiso 1 1 calc R . . C26 C 0.7382(2) 0.32458(18) 0.21490(15) 0.0567(5) Uani 1 1 d . . . H26 H 0.7762 0.2489 0.2421 0.068 Uiso 1 1 calc R . . C31 C 1.1222(2) 0.28594(16) 0.21312(14) 0.0475(4) Uani 1 1 d . . . C32 C 1.1347(2) 0.41748(18) 0.27574(16) 0.0573(5) Uani 1 1 d . . . H32 H 1.1021 0.4886 0.2386 0.069 Uiso 1 1 calc R . . C33 C 1.1953(3) 0.4441(2) 0.39268(18) 0.0685(6) Uani 1 1 d . . . H33 H 1.2014 0.5326 0.4341 0.082 Uiso 1 1 calc R . . C34 C 1.2466(3) 0.3404(2) 0.44818(18) 0.0694(6) Uani 1 1 d . . . H34 H 1.2879 0.3587 0.5268 0.083 Uiso 1 1 calc R . . C35 C 1.2364(3) 0.2096(2) 0.38693(17) 0.0650(5) Uani 1 1 d . . . H35 H 1.2715 0.1394 0.4241 0.078 Uiso 1 1 calc R . . C36 C 1.1746(2) 0.18246(18) 0.27093(15) 0.0546(4) Uani 1 1 d . . . H36 H 1.1676 0.0935 0.2304 0.065 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 0.0506(7) 0.0590(7) 0.0435(6) 0.0058(5) 0.0014(5) 0.0188(5) C1 0.0493(10) 0.0442(8) 0.0473(9) 0.0027(7) 0.0059(7) 0.0101(7) C2 0.0477(10) 0.0486(9) 0.0530(10) 0.0022(7) 0.0014(7) 0.0118(7) C3 0.0580(11) 0.0628(11) 0.0625(11) -0.0040(9) 0.0055(9) 0.0201(9) C4 0.0575(12) 0.0716(12) 0.0819(14) 0.0023(10) 0.0057(10) 0.0305(10) C5 0.0559(12) 0.0697(12) 0.0673(12) 0.0056(10) -0.0041(9) 0.0256(9) C6 0.0475(10) 0.0495(9) 0.0552(10) 0.0058(7) -0.0001(8) 0.0127(7) C7 0.0468(9) 0.0447(8) 0.0501(9) 0.0082(7) -0.0015(7) 0.0095(7) C8 0.0509(10) 0.0475(8) 0.0429(9) 0.0061(7) 0.0004(7) 0.0111(7) C11 0.0527(10) 0.0442(8) 0.0469(9) 0.0038(7) 0.0021(7) 0.0111(7) C12 0.0571(11) 0.0697(11) 0.0544(11) 0.0076(9) 0.0071(9) 0.0114(9) C13 0.0807(15) 0.0756(13) 0.0478(11) 0.0088(9) 0.0069(10) 0.0126(11) C14 0.0809(15) 0.0610(11) 0.0509(11) 0.0069(8) -0.0095(10) 0.0089(10) C15 0.0567(12) 0.0671(12) 0.0653(12) 0.0088(9) -0.0096(9) 0.0097(9) C16 0.0529(11) 0.0600(10) 0.0533(10) 0.0084(8) 0.0029(8) 0.0130(8) C21 0.0448(9) 0.0481(9) 0.0458(9) 0.0043(7) 0.0005(7) 0.0095(7) C22 0.0616(12) 0.0597(10) 0.0564(10) 0.0138(8) 0.0083(9) 0.0202(9) C23 0.0670(13) 0.0618(11) 0.0704(12) 0.0102(9) 0.0064(10) 0.0278(9) C24 0.0556(12) 0.0718(12) 0.0671(12) -0.0041(10) 0.0101(9) 0.0188(9) C25 0.0689(13) 0.0726(12) 0.0586(11) 0.0097(9) 0.0186(10) 0.0134(10) C26 0.0623(12) 0.0567(10) 0.0551(10) 0.0130(8) 0.0097(9) 0.0156(8) C31 0.0428(9) 0.0486(9) 0.0509(9) 0.0081(7) -0.0001(7) 0.0078(7) C32 0.0613(12) 0.0499(9) 0.0593(11) 0.0066(8) -0.0017(9) 0.0079(8) C33 0.0727(14) 0.0601(11) 0.0651(12) -0.0056(9) -0.0039(10) 0.0013(9) C34 0.0665(13) 0.0834(14) 0.0530(11) 0.0068(10) -0.0099(9) 0.0004(10) C35 0.0629(12) 0.0715(12) 0.0613(11) 0.0202(10) -0.0085(9) 0.0076(9) C36 0.0549(11) 0.0508(9) 0.0572(10) 0.0102(8) -0.0053(8) 0.0071(8) 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 0.0016 '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 0.0060 '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 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C1 O1 C8 122.62(12) . . ? O1 C1 C2 119.69(15) . . ? O1 C1 C11 111.01(13) . . ? C2 C1 C11 129.24(15) . . ? C1 C2 C3 133.57(16) . . ? C1 C2 C6 119.13(15) . . ? C3 C2 C6 107.29(15) . . ? C4 C3 C2 106.85(17) . . ? C4 C3 H3 126.6 . . ? C2 C3 H3 126.6 . . ? C3 C4 C5 111.00(17) . . ? C3 C4 H4 124.5 . . ? C5 C4 H4 124.5 . . ? C6 C5 C4 107.78(17) . . ? C6 C5 H5 126.1 . . ? C4 C5 H5 126.1 . . ? C5 C6 C7 133.75(16) . . ? C5 C6 C2 107.06(15) . . ? C7 C6 C2 119.20(14) . . ? C8 C7 C6 117.71(15) . . ? C8 C7 C31 121.69(15) . . ? C6 C7 C31 120.60(14) . . ? C7 C8 O1 121.54(15) . . ? C7 C8 C21 129.22(15) . . ? O1 C8 C21 109.23(13) . . ? C12 C11 C16 118.60(16) . . ? C12 C11 C1 121.76(16) . . ? C16 C11 C1 119.64(15) . . ? C13 C12 C11 120.46(19) . . ? C13 C12 H12 119.8 . . ? C11 C12 H12 119.8 . . ? C14 C13 C12 120.39(19) . . ? C14 C13 H13 119.8 . . ? C12 C13 H13 119.8 . . ? C13 C14 C15 119.83(18) . . ? C13 C14 H14 120.1 . . ? C15 C14 H14 120.1 . . ? C14 C15 C16 120.42(19) . . ? C14 C15 H15 119.8 . . ? C16 C15 H15 119.8 . . ? C15 C16 C11 120.28(17) . . ? C15 C16 H16 119.9 . . ? C11 C16 H16 119.9 . . ? C26 C21 C22 118.46(16) . . ? C26 C21 C8 121.66(14) . . ? C22 C21 C8 119.87(15) . . ? C23 C22 C21 120.87(17) . . ? C23 C22 H22 119.6 . . ? C21 C22 H22 119.6 . . ? C24 C23 C22 119.85(17) . . ? C24 C23 H23 120.1 . . ? C22 C23 H23 120.1 . . ? C23 C24 C25 120.12(18) . . ? C23 C24 H24 119.9 . . ? C25 C24 H24 119.9 . . ? C24 C25 C26 120.22(18) . . ? C24 C25 H25 119.9 . . ? C26 C25 H25 119.9 . . ? C25 C26 C21 120.47(16) . . ? C25 C26 H26 119.8 . . ? C21 C26 H26 119.8 . . ? C32 C31 C36 118.10(15) . . ? C32 C31 C7 122.00(14) . . ? C36 C31 C7 119.89(15) . . ? C33 C32 C31 120.70(17) . . ? C33 C32 H32 119.7 . . ? C31 C32 H32 119.7 . . ? C34 C33 C32 120.29(18) . . ? C34 C33 H33 119.9 . . ? C32 C33 H33 119.9 . . ? C35 C34 C33 119.69(18) . . ? C35 C34 H34 120.2 . . ? C33 C34 H34 120.2 . . ? C34 C35 C36 120.16(18) . . ? C34 C35 H35 119.9 . . ? C36 C35 H35 119.9 . . ? C35 C36 C31 121.05(17) . . ? C35 C36 H36 119.5 . . ? C31 C36 H36 119.5 . . ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag O1 C1 1.3591(19) . ? O1 C8 1.3813(18) . ? C1 C2 1.361(2) . ? C1 C11 1.471(2) . ? C2 C3 1.428(2) . ? C2 C6 1.464(2) . ? C3 C4 1.360(3) . ? C3 H3 0.9300 . ? C4 C5 1.421(3) . ? C4 H4 0.9300 . ? C5 C6 1.375(2) . ? C5 H5 0.9300 . ? C6 C7 1.431(2) . ? C7 C8 1.359(2) . ? C7 C31 1.488(2) . ? C8 C21 1.475(2) . ? C11 C12 1.390(2) . ? C11 C16 1.392(3) . ? C12 C13 1.385(3) . ? C12 H12 0.9300 . ? C13 C14 1.369(3) . ? C13 H13 0.9300 . ? C14 C15 1.378(3) . ? C14 H14 0.9300 . ? C15 C16 1.383(2) . ? C15 H15 0.9300 . ? C16 H16 0.9300 . ? C21 C26 1.388(2) . ? C21 C22 1.391(2) . ? C22 C23 1.378(3) . ? C22 H22 0.9300 . ? C23 C24 1.374(3) . ? C23 H23 0.9300 . ? C24 C25 1.375(3) . ? C24 H24 0.9300 . ? C25 C26 1.379(2) . ? C25 H25 0.9300 . ? C26 H26 0.9300 . ? C31 C32 1.385(2) . ? C31 C36 1.392(2) . ? C32 C33 1.381(3) . ? C32 H32 0.9300 . ? C33 C34 1.376(3) . ? C33 H33 0.9300 . ? C34 C35 1.374(3) . ? C34 H34 0.9300 . ? C35 C36 1.374(2) . ? C35 H35 0.9300 . ? C36 H36 0.9300 . ? 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_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag C8 O1 C1 C2 0.1(2) . . . . ? C8 O1 C1 C11 177.73(13) . . . . ? O1 C1 C2 C3 178.88(18) . . . . ? C11 C1 C2 C3 1.8(3) . . . . ? O1 C1 C2 C6 -2.6(2) . . . . ? C11 C1 C2 C6 -179.69(16) . . . . ? C1 C2 C3 C4 177.8(2) . . . . ? C6 C2 C3 C4 -0.9(2) . . . . ? C2 C3 C4 C5 -0.1(2) . . . . ? C3 C4 C5 C6 1.0(3) . . . . ? C4 C5 C6 C7 178.74(19) . . . . ? C4 C5 C6 C2 -1.5(2) . . . . ? C1 C2 C6 C5 -177.38(17) . . . . ? C3 C2 C6 C5 1.5(2) . . . . ? C1 C2 C6 C7 2.4(2) . . . . ? C3 C2 C6 C7 -178.71(15) . . . . ? C5 C6 C7 C8 179.98(19) . . . . ? C2 C6 C7 C8 0.3(2) . . . . ? C5 C6 C7 C31 0.9(3) . . . . ? C2 C6 C7 C31 -178.84(14) . . . . ? C6 C7 C8 O1 -2.8(2) . . . . ? C31 C7 C8 O1 176.34(14) . . . . ? C6 C7 C8 C21 178.15(15) . . . . ? C31 C7 C8 C21 -2.8(3) . . . . ? C1 O1 C8 C7 2.7(2) . . . . ? C1 O1 C8 C21 -178.03(13) . . . . ? O1 C1 C11 C12 149.45(16) . . . . ? C2 C1 C11 C12 -33.2(3) . . . . ? O1 C1 C11 C16 -31.3(2) . . . . ? C2 C1 C11 C16 146.05(18) . . . . ? C16 C11 C12 C13 -1.1(3) . . . . ? C1 C11 C12 C13 178.16(16) . . . . ? C11 C12 C13 C14 -0.1(3) . . . . ? C12 C13 C14 C15 1.1(3) . . . . ? C13 C14 C15 C16 -0.8(3) . . . . ? C14 C15 C16 C11 -0.5(3) . . . . ? C12 C11 C16 C15 1.5(3) . . . . ? C1 C11 C16 C15 -177.85(15) . . . . ? C7 C8 C21 C26 -48.9(3) . . . . ? O1 C8 C21 C26 131.96(16) . . . . ? C7 C8 C21 C22 132.6(2) . . . . ? O1 C8 C21 C22 -46.6(2) . . . . ? C26 C21 C22 C23 1.2(3) . . . . ? C8 C21 C22 C23 179.80(17) . . . . ? C21 C22 C23 C24 -1.1(3) . . . . ? C22 C23 C24 C25 0.4(3) . . . . ? C23 C24 C25 C26 0.3(3) . . . . ? C24 C25 C26 C21 -0.2(3) . . . . ? C22 C21 C26 C25 -0.5(3) . . . . ? C8 C21 C26 C25 -179.13(17) . . . . ? C8 C7 C31 C32 -50.1(2) . . . . ? C6 C7 C31 C32 129.02(18) . . . . ? C8 C7 C31 C36 131.29(18) . . . . ? C6 C7 C31 C36 -49.6(2) . . . . ? C36 C31 C32 C33 -1.0(3) . . . . ? C7 C31 C32 C33 -179.64(17) . . . . ? C31 C32 C33 C34 1.1(3) . . . . ? C32 C33 C34 C35 -0.4(3) . . . . ? C33 C34 C35 C36 -0.3(3) . . . . ? C34 C35 C36 C31 0.4(3) . . . . ? C32 C31 C36 C35 0.2(3) . . . . ? C7 C31 C36 C35 178.94(17) . . . . ? loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 9385233