data_global _chemical_name_mineral 'Plattnerite' loop_ _publ_author_name 'Grocholski B' 'Shim S H' 'Cottrell E' 'Prakapenka V B' _journal_name_full 'American Mineralogist' _journal_volume 99 _journal_year 2014 _journal_page_first 170 _journal_page_last 177 _publ_section_title ; Crystal structure and compressibility of lead dioxide up to 140 GPa Note: P = 140 GPa ; _database_code_amcsd 0020169 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Pb O2' _cell_length_a 5.083 _cell_length_b 6.046 _cell_length_c 3.152 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 96.867 _exptl_crystal_density_diffrn 16.402 _symmetry_space_group_name_H-M 'P n a m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,y,1/2-z' '-x,-y,1/2+z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb 0.25500 0.11000 0.25000 O1 0.34700 0.44000 0.25000 O2 0.11000 0.31700 0.75000