#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/29/9012905.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_9012905 loop_ _publ_author_name 'Aurivillius, B.' _publ_section_title ;A case of mimetic twinning. The crystal structures of Pb2OFX (X=Cl, Br, and I) Locality: synthetic Sample: Pb2OFCl(H), part B of the twin, isostructural with blixite ; _journal_name_full 'Chemica Scripta' _journal_page_first 208 _journal_page_last 211 _journal_volume 11 _journal_year 1977 _chemical_compound_source Synthetic _chemical_formula_structural Pb2OFCl _chemical_formula_sum 'Cl F O Pb2' _space_group_IT_number 67 _symmetry_space_group_name_Hall '-A 2 2b' _symmetry_space_group_name_H-M 'A c m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.7293 _cell_length_b 5.7293 _cell_length_c 12.5602 _cell_volume 412.287 _database_code_amcsd 0012189 _exptl_crystal_density_diffrn 7.811 _cod_original_formula_sum 'Pb2 O F Cl' _cod_database_code 9012905 _amcsd_formula_title Pb2OFCl loop_ _space_group_symop_operation_xyz x,y,z x,1/2+y,1/2+z x,-y,1/2+z x,1/2-y,+z -x,y,1/2-z -x,1/2+y,-z x,y,-z x,1/2+y,1/2-z -x,-y,z -x,1/2-y,1/2+z -x,y,1/2+z -x,1/2+y,+z x,-y,1/2-z x,1/2-y,-z -x,-y,-z -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_U_iso_or_equiv Pb 0.21940 0.25000 0.14638 0.01191 O 0.00000 0.00000 0.25000 0.01773 F 0.50000 0.00000 0.25000 0.02406 Cl 0.21970 0.25000 0.50000 0.01267 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0012189