data_global _chemical_name_mineral 'Baddeleyite' loop_ _publ_author_name 'Naray-Szabo S' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 94 _journal_year 1936 _journal_page_first 414 _journal_page_last 416 _publ_section_title ; Zur Struktur des Baddeleyits Zr O2 _cod_database_code 1010912 ; _database_code_amcsd 0017640 _chemical_formula_sum 'Zr O2' _cell_length_a 5.21 _cell_length_b 5.26 _cell_length_c 5.37 _cell_angle_alpha 90 _cell_angle_beta 80.53 _cell_angle_gamma 90 _cell_volume 145.157 _exptl_crystal_density_diffrn 5.638 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,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 Zr1 0.00000 0.00000 0.00000 Zr2 0.50000 0.50000 0.00000 O1 0.20000 0.22000 0.21000 O2 0.28800 0.75000 0.21000