#------------------------------------------------------------------------------ #$Date: 2016-02-18 14:25:00 +0200 (Thu, 18 Feb 2016) $ #$Revision: 176728 $ #$URL: file:///home/coder/svn-repositories/cod/cif/8/10/29/8102981.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_8102981 loop_ _publ_author_name 'Fan Zhang' 'De-Zhong Shen' 'Guang-Qiu Shen' 'Xiao-Qing Wang' _publ_section_title ; Crystal structure of cadmium dizinc diborate, CdZn2(BO3)2 ; _journal_issue 1 _journal_name_full 'Zeitschrift f\"ur Kristallographie - New Crystal Structures' _journal_page_first 3 _journal_volume 223 _journal_year 2008 _chemical_formula_moiety 'B2 Cd O6 Zn2' _chemical_formula_structural CdZn2B2O6 _chemical_formula_sum 'B6 Cd3 O18 Zn6' _chemical_formula_weight 1082.28 _chemical_name_systematic ; cadmium dizinc diborate ; _space_group_IT_number 161 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall 'R 3 -2"c' _symmetry_space_group_name_H-M 'R 3 c :H' _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 2 _cell_length_a 8.3091(12) _cell_length_b 8.3091(12) _cell_length_c 12.1993(15) _cell_measurement_reflns_used 1131 _cell_measurement_temperature 298(2) _cell_measurement_theta_max 28.164 _cell_measurement_theta_min 3.287 _cell_volume 729.41(17) _computing_cell_refinement 'Bruker SMART' _computing_data_collection 'Bruker SMART' _computing_data_reduction 'Bruker SAINT' _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 298(2) _diffrn_measured_fraction_theta_full 0.973 _diffrn_measured_fraction_theta_max 0.973 _diffrn_measurement_device_type 'Bruker SMART CCD' _diffrn_measurement_method phi/omega _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 0.1916 _diffrn_reflns_av_sigmaI/netI 0.1200 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_k_max 9 _diffrn_reflns_limit_k_min -5 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_l_min -14 _diffrn_reflns_number 908 _diffrn_reflns_theta_full 25.02 _diffrn_reflns_theta_max 25.02 _diffrn_reflns_theta_min 4.38 _exptl_absorpt_coefficient_mu 14.073 _exptl_absorpt_correction_T_max 0.3066 _exptl_absorpt_correction_T_min 0.2830 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details sadabs _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 4.928 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 996 _exptl_crystal_size_max 0.12 _exptl_crystal_size_mid 0.12 _exptl_crystal_size_min 0.11 _refine_diff_density_max 1.399 _refine_diff_density_min -1.331 _refine_diff_density_rms 0.370 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.1(2) _refine_ls_extinction_coef 0.016(4) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_ref 1.114 _refine_ls_matrix_type full _refine_ls_number_parameters 37 _refine_ls_number_reflns 271 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 1.112 _refine_ls_R_factor_all 0.0741 _refine_ls_R_factor_gt 0.0718 _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^)+(0.1413P)^2^+3.0212P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1898 _refine_ls_wR_factor_ref 0.1925 _reflns_number_gt 256 _reflns_number_total 271 _reflns_threshold_expression >2sigma(I) _cod_data_source_file 409937.cff _cod_data_source_block 070912h _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal' 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 1555 2011-01-17 13:19:09Z saulius ; _cod_original_sg_symbol_H-M R3c _cod_database_code 8102981 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-y, x-y, z' '-x+y, -x, z' '-y, -x, z+1/2' '-x+y, y, z+1/2' 'x, x-y, z+1/2' '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' '-y+2/3, -x+1/3, z+5/6' '-x+y+2/3, y+1/3, z+5/6' 'x+2/3, x-y+1/3, z+5/6' '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' '-y+1/3, -x+2/3, z+7/6' '-x+y+1/3, y+2/3, z+7/6' 'x+1/3, x-y+2/3, z+7/6' 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_Wyckoff_symbol _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Cd1 Cd 0.9756(3) 0.6505(3) 0.8703(7) 0.0278(13) Uani 0.33 18 b d P . . Zn1 Zn 0.9756(3) 0.6505(3) 0.8703(7) 0.0278(13) Uani 0.67 18 b d P . . B1 B 0.6667 0.3333 0.993(3) 0.020(8) Uani 1 6 a d S . . B2 B 1.0000 1.0000 0.911(3) 0.024(9) Uani 1 6 a d S . . O1 O 0.777(2) 0.5187(17) 0.9937(10) 0.024(3) Uani 1 18 b d . . . O2 O 1.107(2) 0.9191(19) 0.9108(10) 0.025(3) Uani 1 18 b d . . . 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 Cd1 0.0169(18) 0.0206(18) 0.0425(18) -0.0121(11) 0.0088(16) 0.0068(10) Zn1 0.0169(18) 0.0206(18) 0.0425(18) -0.0121(11) 0.0088(16) 0.0068(10) B1 0.016(10) 0.016(10) 0.03(2) 0.000 0.000 0.008(5) B2 0.019(12) 0.019(12) 0.03(2) 0.000 0.000 0.010(6) O1 0.022(6) 0.017(7) 0.030(6) -0.002(4) 0.004(5) 0.007(6) O2 0.025(8) 0.023(8) 0.031(6) 0.001(5) 0.001(5) 0.015(7) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source B B 0.0013 0.0007 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cd Cd -0.8075 1.2024 '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' Zn Zn 0.2839 1.4301 '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 O2 Cd1 O1 113.7(6) . 10_664 ? O2 Cd1 O1 104.7(7) . . ? O1 Cd1 O1 120.9(7) 10_664 . ? O2 Cd1 O2 126.6(6) . 12_454 ? O1 Cd1 O2 98.5(6) 10_664 12_454 ? O1 Cd1 O2 92.3(6) . 12_454 ? O2 Cd1 Cd1 140.7(4) . 10_664 ? O1 Cd1 Cd1 37.0(4) 10_664 10_664 ? O1 Cd1 Cd1 113.6(4) . 10_664 ? O2 Cd1 Cd1 62.0(4) 12_454 10_664 ? O2 Cd1 Zn1 140.7(4) . 10_664 ? O1 Cd1 Zn1 37.0(4) 10_664 10_664 ? O1 Cd1 Zn1 113.6(4) . 10_664 ? O2 Cd1 Zn1 62.0(4) 12_454 10_664 ? Cd1 Cd1 Zn1 0.00(6) 10_664 10_664 ? O2 Cd1 Cd1 75.7(4) . 16_664 ? O1 Cd1 Cd1 154.2(5) 10_664 16_664 ? O1 Cd1 Cd1 35.4(4) . 16_664 ? O2 Cd1 Cd1 93.5(4) 12_454 16_664 ? Cd1 Cd1 Cd1 143.15(16) 10_664 16_664 ? Zn1 Cd1 Cd1 143.15(16) 10_664 16_664 ? O2 Cd1 Zn1 75.7(4) . 16_664 ? O1 Cd1 Zn1 154.2(5) 10_664 16_664 ? O1 Cd1 Zn1 35.4(4) . 16_664 ? O2 Cd1 Zn1 93.5(4) 12_454 16_664 ? Cd1 Cd1 Zn1 143.15(16) 10_664 16_664 ? Zn1 Cd1 Zn1 143.15(16) 10_664 16_664 ? Cd1 Cd1 Zn1 0.00(6) 16_664 16_664 ? O2 Cd1 Cd1 34.1(5) . 18_554 ? O1 Cd1 Cd1 92.2(4) 10_664 18_554 ? O1 Cd1 Cd1 96.0(5) . 18_554 ? O2 Cd1 Cd1 160.6(4) 12_454 18_554 ? Cd1 Cd1 Cd1 128.90(6) 10_664 18_554 ? Zn1 Cd1 Cd1 128.90(6) 10_664 18_554 ? Cd1 Cd1 Cd1 83.32(9) 16_664 18_554 ? Zn1 Cd1 Cd1 83.32(9) 16_664 18_554 ? O2 Cd1 Cd1 96.9(5) . 12_454 ? O1 Cd1 Cd1 125.7(5) 10_664 12_454 ? O1 Cd1 Cd1 90.2(5) . 12_454 ? O2 Cd1 Cd1 31.7(4) 12_454 12_454 ? Cd1 Cd1 Cd1 91.70(9) 10_664 12_454 ? Zn1 Cd1 Cd1 91.70(9) 10_664 12_454 ? Cd1 Cd1 Cd1 73.95(3) 16_664 12_454 ? Zn1 Cd1 Cd1 73.95(3) 16_664 12_454 ? Cd1 Cd1 Cd1 130.46(15) 18_554 12_454 ? O1 B1 O1 119.99(6) 3_665 . ? O1 B1 O1 119.99(6) 3_665 2_655 ? O1 B1 O1 119.99(6) . 2_655 ? O2 B2 O2 120.00(3) 3_675 2_765 ? O2 B2 O2 120.00(3) 3_675 . ? O2 B2 O2 120.00(3) 2_765 . ? B1 O1 Zn1 122.3(10) . 16_664 ? B1 O1 Cd1 122.3(10) . 16_664 ? B1 O1 Cd1 120.0(13) . . ? Cd1 O1 Cd1 107.5(6) 16_664 . ? B2 O2 Cd1 115.3(9) . . ? B2 O2 Zn1 118.4(13) . 18_554 ? Cd1 O2 Zn1 114.1(7) . 18_554 ? B2 O2 Cd1 118.4(13) . 18_554 ? Cd1 O2 Cd1 114.1(7) . 18_554 ? 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 Cd1 O2 1.995(15) . ? Cd1 O1 2.015(14) 10_664 ? Cd1 O1 2.094(16) . ? Cd1 O2 2.130(18) 12_454 ? Cd1 Cd1 3.3143(15) 10_664 ? Cd1 Zn1 3.3143(15) 10_664 ? Cd1 Cd1 3.3143(15) 16_664 ? Cd1 Zn1 3.3143(15) 16_664 ? Cd1 Cd1 3.463(2) 18_554 ? Cd1 Cd1 3.463(2) 12_454 ? B1 O1 1.342(13) 3_665 ? B1 O1 1.342(13) . ? B1 O1 1.342(13) 2_655 ? B2 O2 1.356(14) 3_675 ? B2 O2 1.356(13) 2_765 ? B2 O2 1.356(13) . ? O1 Zn1 2.015(14) 16_664 ? O1 Cd1 2.015(14) 16_664 ? O2 Zn1 2.130(18) 18_554 ? O2 Cd1 2.130(18) 18_554 ?