data_global _amcsd_formula_title 'SrK2(PO3)4' loop_ _publ_author_name 'Tordjman I' 'Martin C' 'Durif A' _journal_name_full 'Bulletin de la Societe Francaise de Mineralogie et de Cristallographie' _journal_volume 90 _journal_year 1967 _journal_page_first 293 _journal_page_last 298 _publ_section_title ; Structure cristalline du tetrametaphosphate de strontium-potassium: SrK2(PO3)4 _cod_database_code 1007061 ; _database_code_amcsd 0012126 _chemical_formula_sum 'K2 Sr P4 O12' _cell_length_a 7.445 _cell_length_b 7.445 _cell_length_c 10.17 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 563.703 _exptl_crystal_density_diffrn 2.838 _symmetry_space_group_name_H-M 'I -4' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K1 0.00000 0.00000 0.32800 Sr1 0.00000 0.50000 0.25000 P1 0.15400 0.21700 -0.03000 O1 0.18600 0.06000 0.06600 O2 0.19300 0.38500 0.04800 O3 0.24000 0.18900 -0.16000