#------------------------------------------------------------------------------ #$Date: 2023-05-23 11:35:25 +0300 (Tue, 23 May 2023) $ #$Revision: 283960 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/02/9010289.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_9010289 loop_ _publ_author_name 'Benna, P.' 'Nestola, F.' 'Ballaran, T. B.' 'Balic-Zunic T' 'Lundegaard, L. F.' 'Bruno, E.' _publ_section_title ; The high-pressure structural configurations of Ca0.2Sr0.8Al2Si2O8 feldspar: The I-1-I2/c and I2/c-P2_1/c phase transitions Sample: P = 6.2 GPa ; _journal_name_full 'American Mineralogist' _journal_page_first 1190 _journal_page_last 1199 _journal_paper_doi 10.2138/am.2007.2402 _journal_volume 92 _journal_year 2007 _chemical_compound_source Synthetic _chemical_formula_structural Ca.2Sr.8Al2Si2O8 _chemical_formula_sum 'Al2 Ca0.2 O8 Si2 Sr0.8' _chemical_name_mineral Slawsonite _space_group_IT_number 15 _symmetry_space_group_name_Hall '-I 2yc' _symmetry_space_group_name_H-M 'I 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 114.98 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 8.128 _cell_length_b 12.671 _cell_length_c 13.866 _cell_volume 1294.470 _database_code_amcsd 0004410 _diffrn_ambient_pressure 6.2e+06 _exptl_crystal_density_diffrn 3.245 _cod_original_formula_sum '(Ca.2 Sr.8) Si2 Al2 O8' _cod_database_code 9010289 loop_ _space_group_symop_operation_xyz x,y,z 1/2+x,1/2+y,1/2+z x,-y,1/2+z 1/2+x,1/2-y,+z -x,y,1/2-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-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_U_iso_or_equiv _atom_site_type_symbol _atom_site_attached_hydrogens Ca 0.26540 0.00090 0.06850 0.20000 0.04300 Ca 0 Sr 0.26540 0.00090 0.06850 0.80000 0.04300 Sr 0 Si10 0.99550 0.17730 0.10700 1.00000 0.04400 Si 0 Al1z 0.99330 0.17550 0.61760 1.00000 0.04300 Al 0 Al20 0.68440 0.12430 0.17070 1.00000 0.04100 Al 0 Si2z 0.67480 0.11310 0.67200 1.00000 0.04400 Si 0 OA1 0.00270 0.12930 0.99810 1.00000 0.03400 O 0 OA2 0.58120 0.00330 0.14820 1.00000 0.05500 O 0 OB0 0.81860 0.11800 0.10450 1.00000 0.06000 O 0 OBz 0.79400 0.11710 0.60480 1.00000 0.05400 O 0 OC0 0.98840 0.30340 0.11410 1.00000 0.05400 O 0 OCz 0.99550 0.31150 0.62670 1.00000 0.05500 O 0 OD0 0.18320 0.12490 0.19430 1.00000 0.05400 O 0 ODz 0.19150 0.11710 0.70200 1.00000 0.05600 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 9581 2023-05-17 12:35:41Z saulius ; 2023-05-23T09:23:19+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 0004410