#------------------------------------------------------------------------------ #$Date: 2023-05-10 18:44:19 +0100 (Wed, 10 May 2023) $ #$Revision: 283658 $ #$URL: svn://www.crystallography.net/cod/cif/9/01/78/9017828.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9017828 loop_ _publ_author_name 'Yamnova, N. A.' 'Simonov, M. A.' 'Kazanskaya, E. V.' 'Belov, N. V.' _publ_section_title ; Refinement of the crystal structure of the Ca, Mg-carbonatoborate borcarite Ca4Mg/B4O6(OH)6/(CO3)2 ; _journal_name_full 'Soviet Physics Doklady' _journal_page_first 799 _journal_page_last 801 _journal_volume 20 _journal_year 1975 _chemical_compound_source 'Solongo metasomatite deposit, Buryatia, Russia' _chemical_formula_sum 'C2 H6 B4 Ca4 Mg O18' _chemical_name_mineral Borcarite _space_group_IT_number 12 _space_group_name_Hall '-A 2' _space_group_name_H-M_alt 'A 1 1 2/m' _symmetry_space_group_name_H-M 'A 1 1 2/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 101.94 _cell_formula_units_Z 2 _cell_length_a 4.445 _cell_length_b 17.843 _cell_length_c 8.378 _cell_volume 650.101 _database_code_amcsd 0020477 _exptl_crystal_density_diffrn 2.789 _cod_data_source_file inputs/fixed/downloads/20/20282.cif _cod_data_source_block 20282 _cod_original_formula_sum 'Ca4 Mg B4 C2 O18 H6' _cod_database_code 9017828 loop_ _space_group_symop_operation_xyz x,y,z x,1/2+y,1/2+z x,y,-z x,1/2+y,1/2-z -x,-y,z -x,1/2-y,1/2+z -x,-y,-z -x,1/2-y,1/2-z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ca1 0.01076 0.00695 0.00779 0.00096 -0.00103 -0.00044 Mg1 0.00583 0.00432 0.00964 0.00046 0.00000 0.00000 B1 0.00811 0.00618 0.00779 0.00023 0.00000 0.00000 B2 0.00646 0.00710 0.00871 0.00046 0.00000 0.00000 C1 0.00860 0.00726 0.01138 -0.00196 0.00000 0.00000 O1 0.00697 0.00772 0.01017 0.00112 0.00000 0.00000 O2 0.00811 0.00695 0.00765 -0.00012 -0.00013 0.00096 O-H3 0.00988 0.00988 0.00939 0.00346 0.00142 -0.00185 O4 0.02127 0.01235 0.02102 -0.00346 -0.01139 0.00608 O-H5 0.00911 0.00587 0.01376 -0.00012 0.00000 0.00000 O6 0.01494 0.01745 0.01693 0.00704 0.00000 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_type_symbol _atom_site_attached_hydrogens Ca1 0.15480 0.15531 0.23368 0.00849 Ca 0 Mg1 0.00000 0.00000 0.00000 0.00646 Mg 0 B1 0.50000 0.00000 0.24080 0.00697 B 0 B2 0.61810 0.09490 0.00000 0.00747 B 0 C1 0.75090 0.19540 0.50000 0.00912 C 0 O1 0.30740 0.09920 0.00000 0.00823 O 0 O2 0.72030 0.05490 0.14260 0.00773 O 0 O-H3 0.30950 0.04150 0.33910 0.00963 O 1 O4 0.64650 0.21530 0.36590 0.01798 O 0 O-H5 0.82300 0.17420 0.00000 0.00937 O 1 O6 0.96170 0.15660 0.50000 0.01570 O 0 loop_ _cod_changelog_entry_id _cod_changelog_entry_author _cod_changelog_entry_date _cod_changelog_entry_text 1 ;cod-tools version 3.8.0 Id: cif_guess_AMCSD_atom_types 9574 2023-05-10 09:00:05Z saulius ; 2023-05-10T18:58:46+03:00 ;Derived atom types and hydrogen counts from atom names that follow the AMCSD naming convention (Wat == water, O-H == hydroxyl). ; loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0020477