data_global _amcsd_formula_title 'Po' loop_ _publ_author_name 'Rollier M' 'Hendricks S' 'Maxwell L' _journal_name_full 'Journal of Chemical Physics' _journal_volume 4 _journal_year 1936 _journal_page_first 648 _journal_page_last 652 _publ_section_title ; The Crystal Structure of Polonium by Electron Diffraction _cod_database_code 1010519 ; _database_code_amcsd 0017430 _chemical_formula_sum 'Po' _cell_length_a 7.42 _cell_length_b 4.29 _cell_length_c 14.1 _cell_angle_alpha 90 _cell_angle_beta 92 _cell_angle_gamma 90 _cell_volume 448.555 _exptl_crystal_density_diffrn 9.285 _symmetry_space_group_name_H-M 'C 1 2 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' '-x,y,-z' '1/2-x,1/2+y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Po1 0.05000 0.27000 0.24500 Po2 0.13000 -0.20000 0.43000 Po3 0.35000 0.40000 0.07000