#------------------------------------------------------------------------------ #$Date: 2023-05-18 15:51:33 +0300 (Thu, 18 May 2023) $ #$Revision: 283866 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/19/9011944.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_9011944 loop_ _publ_author_name 'Ilyushin, G. D.' _publ_section_title ; New data on the crystal structure of umbite K2ZrSi3O9*H2O ; _journal_name_full 'Izvestiya Akademii Nauk SSSR Neorganicheskie Materialy' _journal_page_first 971 _journal_page_last 975 _journal_volume 29 _journal_year 1993 _chemical_formula_sum 'H K2 O10 Si3 Ti0.14 Zr0.86' _chemical_name_mineral Umbite _space_group_IT_number 19 _symmetry_space_group_name_Hall 'P 2ac 2ab' _symmetry_space_group_name_H-M 'P 21 21 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 10.207 _cell_length_b 13.241 _cell_length_c 7.174 _cell_volume 969.572 _exptl_crystal_density_diffrn 2.799 _cod_original_formula_sum 'K2 (Zr.86 Ti.14) Si3 O10 H' _cod_database_code 9011944 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2+y,1/2-z 1/2+x,1/2-y,-z 1/2-x,-y,1/2+z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_type_symbol _atom_site_attached_hydrogens K1 0.07270 0.57800 0.71230 1.00000 K 0 K2 0.20930 0.86530 0.64960 1.00000 K 0 Zr 0.05000 0.70970 0.26000 0.86000 Zr 0 Ti 0.05000 0.70970 0.26000 0.14000 Ti 0 Si1 0.17600 0.32770 0.50480 1.00000 Si 0 Si2 0.13760 0.33310 0.91800 1.00000 Si 0 Si3 0.03280 0.45190 0.23040 1.00000 Si 0 O1 0.16820 0.68840 0.04170 1.00000 O 0 O2 0.98570 0.56380 0.26940 1.00000 O 0 O3 0.20860 0.68700 0.43390 1.00000 O 0 O4 0.11320 0.23020 0.40860 1.00000 O 0 O5 0.05720 0.24100 0.99960 1.00000 O 0 O6 0.07920 0.86620 0.24460 1.00000 O 0 O7 0.09990 0.35490 0.70010 1.00000 O 0 O8 0.15590 0.42650 0.37290 1.00000 O 0 O9 0.09490 0.43810 0.01840 1.00000 O 0 Wat 0.18140 0.06450 0.62780 1.00000 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 ; 2023-05-18T11:41:52+03:00 ;Derived atom types and hydrogen counts from atom names that follow the AMCSD naming convention (Wat == water, O-H == hydroxyl). ;