data_1007126 _chemical_name_systematic 'Bismuth trilead arsenate' _chemical_formula_structural 'Bi Pb3 (As O4)3' _chemical_formula_sum 'As3 Bi O12 Pb3' _publ_section_title ; Sur quelques composes isomorphes de l'Eulytine. ; _publ_author_name 'Durif, A' _journal_name_full ; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences (1884 - 1965) ; _journal_coden_ASTM COREAF _journal_volume 244 _journal_year 1957 _journal_page_first 2815 _journal_page_last 2817 _cell_length_a 10.668 _cell_length_b 10.668 _cell_length_c 10.668 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1214.1 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'I -4 3 d' _symmetry_Int_Tables_number 220 _symmetry_cell_setting cubic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,-z' '-x,1/2+y,1/2-z' '1/2-x,-y,1/2+z' '1/4+x,1/4+z,1/4+y' '3/4+x,1/4-z,3/4-y' '1/4-x,3/4-z,3/4+y' '3/4-x,3/4+z,1/4-y' 'y,z,x' '1/2-y,-z,1/2+x' '1/2+y,1/2-z,-x' '-y,1/2+z,1/2-x' '1/4+z,1/4+y,1/4+x' '1/4-z,3/4-y,3/4+x' '3/4-z,3/4+y,1/4-x' '3/4+z,1/4-y,3/4-x' 'z,x,y' '-z,1/2+x,1/2-y' '1/2-z,-x,1/2+y' '1/2+z,1/2-x,-y' '1/4+y,1/4+x,1/4+z' '3/4-y,3/4+x,1/4-z' '3/4+y,1/4-x,3/4-z' '1/4-y,3/4-x,3/4+z' '1/2+x,1/2+y,1/2+z' 'x,-y,1/2-z' '1/2-x,y,-z' '-x,1/2-y,z' '3/4+x,3/4+z,3/4+y' '1/4+x,3/4-z,1/4-y' '3/4-x,1/4-z,1/4+y' '1/4-x,1/4+z,3/4-y' '1/2+y,1/2+z,1/2+x' '-y,1/2-z,x' 'y,-z,1/2-x' '1/2-y,z,-x' '3/4+z,3/4+y,3/4+x' '3/4-z,1/4-y,1/4+x' '1/4-z,1/4+y,3/4-x' '1/4+z,3/4-y,1/4-x' '1/2+z,1/2+x,1/2+y' '1/2-z,x,-y' '-z,1/2-x,y' 'z,-x,1/2-y' '3/4+y,3/4+x,3/4+z' '1/4-y,1/4+x,3/4-z' '1/4+y,3/4-x,1/4-z' '3/4-y,1/4-x,1/4+z'