#------------------------------------------------------------------------------ #$Date: 2023-05-23 11:35:25 +0300 (Tue, 23 May 2023) $ #$Revision: 283960 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/17/9001784.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_9001784 loop_ _publ_author_name 'Benna, P.' 'Tribaudino, M.' 'Bruno, E.' _publ_section_title ; The structure of ordered and disordered lead feldspar (PbAl2Si2O8) Sample: ordered ; _journal_name_full 'American Mineralogist' _journal_page_first 1337 _journal_page_last 1343 _journal_volume 81 _journal_year 1996 _chemical_formula_sum 'Al2 O8 Pb0.5 Si2' _chemical_name_mineral Feldspar _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 115.19 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 8.388 _cell_length_b 13.067 _cell_length_c 14.327 _cell_volume 1420.989 _database_code_amcsd 0001840 _exptl_crystal_density_diffrn 3.195 _cod_original_formula_sum 'Pb.5 Si2 Al2 O8' _cod_database_code 9001784 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_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 Pb 0.00900 0.03000 0.02100 -0.00200 0.00500 -0.00100 Si1(0) 0.00700 0.00800 0.00600 -0.00200 0.00300 -0.00100 Al1(z) 0.00600 0.00700 0.00700 -0.00200 0.00400 0.00000 Al2(0) 0.00400 0.00700 0.00800 0.00100 0.00300 0.00100 Si2(z) 0.00500 0.00600 0.00900 -0.00100 0.00300 -0.00100 OA(l) 0.01600 0.01500 0.00700 -0.00200 0.00500 0.00000 OA(2) 0.00700 0.00400 0.01700 0.00200 0.00400 0.00200 OB(O) 0.01100 0.01400 0.02300 -0.00400 0.01200 -0.00100 OB(z) 0.00900 0.01900 0.02200 -0.00200 0.01300 0.00100 OC(O) 0.01300 0.01000 0.01800 -0.00500 0.00800 -0.00200 OC(Z) 0.01100 0.00700 0.01800 -0.00300 0.00500 -0.00300 OD(O) 0.01500 0.02100 0.01000 0.00000 0.00000 0.00200 OD(z) 0.00900 0.01400 0.01200 0.00100 0.00100 0.00100 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 Pb 0.27150 -0.00980 0.07310 0.50000 Pb 0 Si1(0) 0.00770 0.17550 0.10910 1.00000 Si 0 Al1(z) 0.00210 0.17970 0.61630 1.00000 Al 0 Al2(0) 0.69450 0.12020 0.17120 1.00000 Al 0 Si2(z) 0.68670 0.11370 0.67480 1.00000 Si 0 OA(l) 0.00620 0.13360 0.00060 1.00000 O 0 OA(2) 0.59560 -0.00080 0.14710 1.00000 O 0 OB(O) 0.82800 0.12950 0.10550 1.00000 O 0 OB(z) 0.81540 0.13000 0.61910 1.00000 O 0 OC(O) 0.01780 0.29790 0.12170 1.00000 O 0 OC(Z) 0.01820 0.31090 0.63280 1.00000 O 0 OD(O) 0.18330 0.12300 0.19570 1.00000 O 0 OD(z) 0.20060 0.12020 0.70100 1.00000 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 ; 2023-05-23T09:14:07+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 0001840