#------------------------------------------------------------------------------ #$Date: 2023-05-18 15:51:33 +0300 (Thu, 18 May 2023) $ #$Revision: 283866 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/84/9008410.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_9008410 loop_ _publ_author_name 'Hesse, K. F.' 'Liebau, F.' 'Merlino, S.' _publ_section_title ;Crystal structure of rhodesite, HK1-xNax+2yCa2-y(lB,3,22)(Si8O19)*(6-z)H2O, from three localities and its relation to other silicates with dreier double layers Locality: San Venanzo, Italy ; _journal_name_full 'Zeitschrift fur Kristallographie' _journal_page_first 25 _journal_page_last 48 _journal_paper_doi 10.1524/zkri.1992.199.1-2.25 _journal_volume 199 _journal_year 1992 _chemical_compound_source 'San Venanzo, Italy' _chemical_formula_sum 'Ca0.5 H14 K0.25 O17.805 Si6' _chemical_name_mineral Rhodesite _space_group_IT_number 51 _symmetry_space_group_name_Hall '-P 2 2a' _symmetry_space_group_name_H-M 'P m a m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 23.428 _cell_length_b 6.557 _cell_length_c 7.064 _cell_volume 1085.153 _database_code_amcsd 0011015 _exptl_crystal_density_diffrn 1.522 _cod_original_formula_sum 'K.25 Ca.5 Si6 O17.805 H14' _cod_database_code 9008410 loop_ _space_group_symop_operation_xyz x,y,z x,y,-z -x,-y,z 1/2-x,y,z 1/2+x,-y,-z 1/2+x,-y,z 1/2-x,y,-z -x,-y,-z 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 K 0.25000 0.44870 0.00000 0.25000 0.03600 K 0 Ca1 0.00000 0.50000 0.00000 0.25000 0.01500 Ca 0 Ca2 0.00000 0.50000 0.50000 0.25000 0.00900 Ca 0 Si1 0.11700 0.28920 0.21980 1.00000 0.00800 Si 0 Si2 0.18370 0.54170 0.50000 0.50000 0.00800 Si 0 Si3 0.10240 0.93060 0.50000 0.50000 0.00600 Si 0 O1 0.05930 0.40840 0.25000 1.00000 0.01600 O 0 O2 0.17220 0.40770 0.31110 1.00000 0.01500 O 0 O3 0.11650 0.06160 0.31200 1.00000 0.02400 O 0 O4 0.13510 0.25550 0.00000 0.50000 0.01100 O 0 O5 0.14600 0.73940 0.50000 0.50000 0.01700 O 0 O6 0.03750 0.85830 0.50000 0.50000 0.02400 O 0 O7 0.25000 0.60490 0.50000 0.25000 0.01300 O 0 Wat8 0.03790 0.83150 0.00000 0.50000 0.09900 O 2 Wat9 0.33170 0.77920 0.00000 0.50000 0.07400 O 2 Wat10 0.25000 0.02040 0.18740 0.25000 0.10200 O 2 Wat11 0.25000 0.05200 0.50000 0.05500 0.09000 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 ; 2023-05-18T11:40:05+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 0011015