#------------------------------------------------------------------------------ #$Date: 2023-05-18 11:16:12 +0300 (Thu, 18 May 2023) $ #$Revision: 283851 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/01/9000146.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_9000146 loop_ _publ_author_name 'Shirozu, H.' 'Bailey, S. W.' _publ_section_title ; Crystal structure of a two-layer Mg-vermiculite ; _journal_name_full 'American Mineralogist' _journal_page_first 1124 _journal_page_last 1143 _journal_volume 51 _journal_year 1966 _chemical_formula_sum 'Al0.57 H1.4 Mg1.705 O7.86 Si1.43' _chemical_name_mineral Vermiculite _space_group_IT_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 97.12 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 5.349 _cell_length_b 9.255 _cell_length_c 28.89 _cell_volume 1419.171 _database_code_amcsd 0000150 _exptl_crystal_density_diffrn 2.098 _cod_original_formula_sum 'Mg1.705 (Si1.43 Al.57) O7.86 H1.4' _cod_database_code 9000146 loop_ _space_group_symop_operation_xyz x,y,z 1/2+x,1/2+y,z x,-y,1/2+z 1/2+x,1/2-y,1/2+z -x,y,1/2-z 1/2-x,1/2+y,1/2-z -x,-y,-z 1/2-x,1/2-y,-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 Wat1 0.08578 0.10501 0.02498 -0.00597 0.02775 -0.04839 Wat2 0.10961 0.09807 0.02914 -0.04654 0.00848 -0.04973 Wat3 0.09791 0.11977 0.02498 -0.04504 0.05165 -0.04570 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv _atom_site_type_symbol _atom_site_attached_hydrogens Mg1 0.00000 0.16380 0.25000 1.00000 0.01216 Mg 0 Mg2 0.00000 0.49970 0.25000 1.00000 0.01039 Mg 0 Mg3 0.00000 0.83320 0.25000 1.00000 0.01089 Mg 0 Mg4 0.00000 0.00000 0.00000 0.41000 0.02913 Mg 0 Si1 0.10420 0.99970 0.15450 0.71500 0.01558 Si 0 Al1 0.10420 0.99970 0.15450 0.28500 0.01558 Al 0 Si2 0.10260 0.66470 0.15470 0.71500 0.01051 Si 0 Al2 0.10260 0.66470 0.15470 0.28500 0.01051 Al 0 O1 0.14240 0.00390 0.21320 1.00000 0.01051 O 0 O2 0.14100 0.66830 0.21130 1.00000 0.01330 O 0 O3 0.35790 0.06970 0.13380 1.00000 0.02647 O 0 O4 0.35290 0.59640 0.13460 1.00000 0.02546 O 0 O5 0.55930 0.33160 0.13390 1.00000 0.02457 O 0 O-H 0.14200 0.33800 0.21290 1.00000 0.01532 O 1 Wat1 0.33630 0.97360 0.03970 0.62000 ? O 2 Wat2 0.35150 0.32740 0.04120 0.62000 ? O 2 Wat3 0.38320 0.65200 0.04140 0.62000 ? O 2 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 9581 2023-05-17 12:35:41Z saulius ; 2023-05-18T11:01:39+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 0000150 2 Wikidata Q194358 3 Wikipedia Vermiculite