#------------------------------------------------------------------------------ #$Date: 2025-08-20 21:19:29 +0200 (Wed, 20 Aug 2025) $ #$Revision: 301836 $ #$URL: svn://www.crystallography.net/cod/cif/4/30/86/4308661.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_4308661 loop_ _publ_author_name 'Donald J. Darensbourg' 'Damon R. Billodeaux' _publ_contact_author_name 'Donald J. Darensbourg' _publ_section_title ; Aluminum Salen Complexes and Tetrabutylammonium Salts: A Binary Catalytic System for Production of Polycarbonates from CO2 and Cyclohexene Oxide ; _journal_name_full 'Inorganic Chemistry' _journal_page_first 1433 _journal_page_last 1442 _journal_paper_doi 10.1021/ic048508g _journal_volume 44 _journal_year 2005 _chemical_formula_moiety 'C24 H30 N4 O6' _chemical_formula_sum 'C24 H30 N4 O6' _chemical_formula_weight 470.52 _space_group_IT_number 148 _symmetry_cell_setting rhombohedral _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _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 120.00 _cell_formula_units_Z 9 _cell_length_a 24.557(4) _cell_length_b 24.557(4) _cell_length_c 10.193(2) _cell_measurement_reflns_used 118 _cell_measurement_temperature 110(2) _cell_measurement_theta_max 41.637 _cell_measurement_theta_min 4.421 _cell_volume 5323.3(16) _computing_cell_refinement 'Bruker SMART' _computing_data_collection 'Bruker SMART' _computing_data_reduction 'Bruker SHELXTL' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 110(2) _diffrn_measured_fraction_theta_full 0.988 _diffrn_measured_fraction_theta_max 0.988 _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method 'phi and omega scans' _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 0.2212 _diffrn_reflns_av_sigmaI/netI 0.2231 _diffrn_reflns_limit_h_max 30 _diffrn_reflns_limit_h_min -15 _diffrn_reflns_limit_k_max 28 _diffrn_reflns_limit_k_min -31 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 10985 _diffrn_reflns_theta_full 27.55 _diffrn_reflns_theta_max 27.55 _diffrn_reflns_theta_min 1.66 _exptl_absorpt_coefficient_mu 0.096 _exptl_absorpt_correction_type none _exptl_crystal_colour orange _exptl_crystal_density_diffrn 1.321 _exptl_crystal_density_method 'not measured' _exptl_crystal_description fragment _exptl_crystal_F_000 2250 _exptl_crystal_size_max 0.35 _exptl_crystal_size_mid 0.30 _exptl_crystal_size_min 0.20 _refine_diff_density_max 0.493 _refine_diff_density_min -0.355 _refine_diff_density_rms 0.120 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 0.772 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 158 _refine_ls_number_reflns 2696 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.772 _refine_ls_R_factor_all 0.2232 _refine_ls_R_factor_gt 0.1012 _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^)+(0.1259P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.2186 _refine_ls_wR_factor_ref 0.2670 _reflns_number_gt 873 _reflns_number_total 2696 _reflns_threshold_expression >2sigma(I) _cod_data_source_file ic048508gsi20041027_113046_2.cif _cod_data_source_block ligand1 _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Rhombohedral' changed to 'rhombohedral' 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 2020-12-03 Z value and formula fixed to values more according to usual chemical conventions. miguel ; _cod_original_cell_volume 5323.7(17) _cod_original_sg_symbol_H-M 'R -3' _cod_original_formula_moiety 'C18 H22.50 N3 O4.50' _cod_original_formula_sum 'C18 H22.50 N3 O4.50' _cod_original_formula_units_Z 12 _cod_original_formula_weight 352.89 _cod_database_code 4308661 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-y, x-y, z' '-x+y, -x, z' 'x+2/3, y+1/3, z+1/3' '-y+2/3, x-y+1/3, z+1/3' '-x+y+2/3, -x+1/3, z+1/3' 'x+1/3, y+2/3, z+2/3' '-y+1/3, x-y+2/3, z+2/3' '-x+y+1/3, -x+2/3, z+2/3' '-x, -y, -z' 'y, -x+y, -z' 'x-y, x, -z' '-x+2/3, -y+1/3, -z+1/3' 'y+2/3, -x+y+1/3, -z+1/3' 'x-y+2/3, x+1/3, -z+1/3' '-x+1/3, -y+2/3, -z+2/3' 'y+1/3, -x+y+2/3, -z+2/3' 'x-y+1/3, x+2/3, -z+2/3' 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 0.83877(14) 0.77305(14) -0.0055(3) 0.0472(9) Uani 1 1 d . . . H1 H 0.8299 0.7498 -0.0718 0.071 Uiso 1 1 calc R . . O2 O 1.00574(17) 0.69114(18) 0.2984(3) 0.0672(11) Uani 1 1 d . . . O3 O 1.00914(17) 0.76141(19) 0.4297(4) 0.0706(11) Uani 1 1 d . . . N1 N 0.83374(18) 0.68776(17) -0.1568(3) 0.0464(11) Uani 1 1 d . . . N2 N 0.9915(2) 0.7303(2) 0.3285(4) 0.0552(12) Uani 1 1 d . . . C1 C 0.8755(2) 0.7624(2) 0.0753(4) 0.0353(11) Uani 1 1 d . . . C2 C 0.89152(19) 0.7166(2) 0.0440(4) 0.0375(11) Uani 1 1 d . . . C3 C 0.92958(19) 0.7056(2) 0.1281(4) 0.0366(11) Uani 1 1 d . . . H3 H 0.9409 0.6748 0.1080 0.044 Uiso 1 1 calc R . . C4 C 0.9502(2) 0.7405(2) 0.2405(4) 0.0395(11) Uani 1 1 d . . . C5 C 0.9349(2) 0.7858(2) 0.2736(4) 0.0393(11) Uani 1 1 d . . . H5 H 0.9512 0.8089 0.3526 0.047 Uiso 1 1 calc R . . C6 C 0.8965(2) 0.7985(2) 0.1949(4) 0.0361(11) Uani 1 1 d . . . C7 C 0.8679(2) 0.6792(2) -0.0756(4) 0.0420(12) Uani 1 1 d . . . H7 H 0.8785 0.6476 -0.0931 0.050 Uiso 1 1 calc R . . C8 C 0.8129(2) 0.6486(2) -0.2756(4) 0.0509(13) Uani 1 1 d . . . H8A H 0.7686 0.6359 -0.2946 0.061 Uiso 1 1 calc R . . H8B H 0.8154 0.6100 -0.2612 0.061 Uiso 1 1 calc R . . C9 C 0.8785(2) 0.8474(2) 0.2309(4) 0.0434(12) Uani 1 1 d . . . C10 C 0.8065(2) 0.8142(2) 0.2451(4) 0.0506(13) Uani 1 1 d . . . H10A H 0.7867 0.7912 0.1643 0.076 Uiso 1 1 calc R . . H10B H 0.7938 0.8456 0.2610 0.076 Uiso 1 1 calc R . . H10C H 0.7932 0.7848 0.3189 0.076 Uiso 1 1 calc R . . C11 C 0.9003(2) 0.8988(2) 0.1264(4) 0.0526(14) Uani 1 1 d . . . H11A H 0.9463 0.9213 0.1208 0.079 Uiso 1 1 calc R . . H11B H 0.8862 0.9285 0.1502 0.079 Uiso 1 1 calc R . . H11C H 0.8823 0.8798 0.0412 0.079 Uiso 1 1 calc R . . C12 C 0.9076(2) 0.8788(2) 0.3610(4) 0.0504(13) Uani 1 1 d . . . H12A H 0.8930 0.8470 0.4305 0.076 Uiso 1 1 calc R . . H12B H 0.8949 0.9099 0.3818 0.076 Uiso 1 1 calc R . . H12C H 0.9535 0.8998 0.3546 0.076 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 0.053(2) 0.057(2) 0.0401(19) -0.0091(15) -0.0123(16) 0.0341(18) O2 0.078(3) 0.073(3) 0.068(2) -0.001(2) -0.007(2) 0.051(2) O3 0.074(3) 0.096(3) 0.059(2) -0.012(2) -0.015(2) 0.055(2) N1 0.043(2) 0.050(3) 0.038(2) -0.0096(19) -0.0022(19) 0.017(2) N2 0.063(3) 0.060(3) 0.048(3) 0.002(2) 0.005(2) 0.034(3) C1 0.038(3) 0.039(3) 0.028(2) -0.003(2) -0.001(2) 0.019(2) C2 0.029(2) 0.040(3) 0.033(2) -0.003(2) 0.007(2) 0.010(2) C3 0.031(2) 0.042(3) 0.039(2) 0.000(2) 0.004(2) 0.020(2) C4 0.035(3) 0.043(3) 0.035(3) 0.006(2) 0.004(2) 0.016(2) C5 0.041(3) 0.042(3) 0.029(2) 0.000(2) 0.003(2) 0.016(2) C6 0.035(2) 0.036(3) 0.032(2) 0.000(2) 0.004(2) 0.014(2) C7 0.039(3) 0.039(3) 0.043(3) -0.006(2) 0.005(2) 0.016(2) C8 0.055(3) 0.055(3) 0.039(3) -0.008(2) -0.007(2) 0.025(3) C9 0.050(3) 0.048(3) 0.034(2) 0.000(2) 0.006(2) 0.026(2) C10 0.057(3) 0.062(3) 0.047(3) 0.006(3) 0.005(2) 0.040(3) C11 0.061(3) 0.053(3) 0.048(3) -0.002(2) -0.002(3) 0.032(3) C12 0.068(3) 0.059(3) 0.039(3) -0.016(2) -0.007(2) 0.043(3) 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' N N 0.0061 0.0033 '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 C7 N1 C8 118.1(4) . . ? O2 N2 O3 123.6(5) . . ? O2 N2 C4 118.5(4) . . ? O3 N2 C4 117.9(4) . . ? O1 C1 C2 120.2(4) . . ? O1 C1 C6 117.9(4) . . ? C2 C1 C6 121.9(4) . . ? C3 C2 C1 120.2(4) . . ? C3 C2 C7 119.0(4) . . ? C1 C2 C7 120.9(4) . . ? C4 C3 C2 117.8(4) . . ? C3 C4 C5 123.1(4) . . ? C3 C4 N2 118.4(4) . . ? C5 C4 N2 118.5(4) . . ? C4 C5 C6 121.9(4) . . ? C5 C6 C1 115.1(4) . . ? C5 C6 C9 122.6(4) . . ? C1 C6 C9 122.3(4) . . ? N1 C7 C2 121.7(4) . . ? N1 C8 C8 110.2(4) . 13_664 ? C6 C9 C12 111.4(4) . . ? C6 C9 C11 111.4(3) . . ? C12 C9 C11 107.8(4) . . ? C6 C9 C10 108.4(4) . . ? C12 C9 C10 108.1(4) . . ? C11 C9 C10 109.7(4) . . ? 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 1.340(5) . ? O2 N2 1.216(5) . ? O3 N2 1.227(5) . ? N1 C7 1.269(5) . ? N1 C8 1.470(5) . ? N2 C4 1.467(6) . ? C1 C2 1.400(6) . ? C1 C6 1.443(5) . ? C2 C3 1.391(5) . ? C2 C7 1.461(6) . ? C3 C4 1.368(6) . ? C4 C5 1.381(6) . ? C5 C6 1.389(6) . ? C6 C9 1.517(6) . ? C8 C8 1.513(9) 13_664 ? C9 C12 1.521(6) . ? C9 C11 1.531(6) . ? C9 C10 1.540(6) . ? loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 482312