#------------------------------------------------------------------------------ #$Date$ #$Revision$ #$URL$ #------------------------------------------------------------------------------ # # 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_9010936 loop_ _publ_author_name 'Antao, S. M.' 'Hassan, I.' _publ_section_title ; BaCO3: high-temperature crystal structures and the Pmcn --> R3m phase transition at 811 C Locality: synthetic Sample: T = 708 C ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 573 _journal_page_last 580 _journal_volume 34 _journal_year 2007 _chemical_formula_sum 'C Ba O3' _[local]_cod_chemical_formula_sum_orig 'Ba C O3' _chemical_name_mineral Witherite _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2n 2a' _symmetry_space_group_name_H-M 'P m c n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.3337 _cell_length_b 8.9361 _cell_length_c 6.6949 _cell_volume 319.096 _[local]_cod_data_source_file 08419.cif _[local]_cod_data_source_block global loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,y,z 1/2+x,-y,-z 1/2+x,1/2+y,1/2-z 1/2-x,1/2-y,1/2+z x,1/2-y,1/2+z -x,1/2+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 Ba 0.25000 0.41610 0.75500 0.03480 C 0.25000 0.74890 -0.06490 0.08370 O1 0.25000 0.89860 -0.07200 0.08370 O2 0.46120 0.68180 -0.07760 0.08370