#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/95/9009515.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_9009515 loop_ _publ_author_name 'Knight, K. S.' _publ_section_title ;A high temperature structural phase transition in crocoite (PbCrO4) at 1068 K: crystal structure refinement at 1073 K and thermal expansion tensor determination at 1000 K Sample: the high temperature form at T = 1073 K ; _journal_name_full 'Mineralogical Magazine' _journal_page_first 291 _journal_page_last 300 _journal_paper_doi 10.1180/002646100549193 _journal_volume 64 _journal_year 2000 _chemical_compound_source 'Dundas, Tasmania' _chemical_formula_sum 'Cr O4 Pb' _chemical_name_mineral Crocoite _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 8.79861 _cell_length_b 5.73422 _cell_length_c 7.27402 _cell_volume 366.997 _database_code_amcsd 0014540 _diffrn_ambient_temperature 1073 _exptl_crystal_density_diffrn 5.849 _cod_original_formula_sum 'Pb Cr O4' _cod_database_code 9009515 loop_ _space_group_symop_operation_xyz x,y,z x,1/2-y,z -x,1/2+y,-z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2-z 1/2+x,y,1/2-z 1/2-x,-y,1/2+z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb 0.18170 0.25000 0.16410 0.12900 Cr 0.05920 0.25000 0.68240 0.06100 O1 0.18820 0.25000 0.53380 0.13400 O2 0.88970 0.25000 0.59740 0.14700 O3 0.07720 0.01500 0.81210 0.12800 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0014540