data_global _chemical_name_mineral 'Fluocerite (La)' loop_ _publ_author_name 'de Rango C' 'Tsoucaris G' 'Zelwer C' _journal_name_full 'Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences' _journal_volume 263 _journal_year 1966 _journal_page_first 64 _journal_page_last 66 _publ_section_title ; Determination de la structure du fluorure de lanthane La F3 _cod_database_code 1008751 ; _database_code_amcsd 0016630 _chemical_formula_sum 'La F3' _cell_length_a 7.16 _cell_length_b 7.16 _cell_length_c 7.36 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 326.764 _exptl_crystal_density_diffrn 5.973 _symmetry_space_group_name_H-M 'P 63 c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' 'x-y,x,1/2+z' '-y,-x,1/2+z' '-y,x-y,z' 'x-y,-y,z' '-x,-y,1/2+z' 'x,x-y,1/2+z' '-x+y,-x,z' 'y,x,z' 'y,-x+y,1/2+z' '-x+y,y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z La1 0.67100 0.00000 0.25000 F1 0.00000 0.00000 0.31000 F2 0.33333 0.66667 0.21000 F3 0.27600 0.00000 0.06700 F4 0.37200 0.00000 0.40400