#------------------------------------------------------------------------------ #$Date: 2023-11-10 21:21:08 +0200 (Fri, 10 Nov 2023) $ #$Revision: 287519 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/72/1007253.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1007253 loop_ _publ_author_name 'Tordjman, I' 'Martin, C' 'Durif, A' _publ_section_title ; Structure cristalline du tetrametaphosphate de strontium-potassium: Sr K2 (P O3)4 ; _journal_coden_ASTM BUFCAE _journal_name_full ; Bulletin de la Societe Francaise de Mineralogie et de Cristallographie (72,1949-100,1977) ; _journal_page_first 293 _journal_page_last 298 _journal_volume 90 _journal_year 1967 _chemical_formula_structural 'K2 Sr (P O3)4' _chemical_formula_sum 'K2 O12 P4 Sr' _chemical_name_systematic 'Dipotassium strontium catena-phosphate(V)' _space_group_IT_number 82 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 82 _symmetry_space_group_name_Hall 'I -4' _symmetry_space_group_name_H-M 'I -4' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 7.445(5) _cell_length_b 7.445 _cell_length_c 10.17(2) _cell_volume 563.7 _refine_ls_R_factor_all 0.07 _cod_database_code 1007253 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z y,-x,-z -y,x,-z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag K1 K1+ 4 e 0. 0. 0.328 1. 0 d Sr1 Sr2+ 2 c 0. 0.5 0.25 1. 0 d P1 P5+ 8 g 0.154 0.217 -0.03 1. 0 d O1 O2- 8 g 0.186 0.06 0.066 1. 0 d O2 O2- 8 g 0.193 0.385 0.048 1. 0 d O3 O2- 8 g 0.24 0.189 -0.16 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number K1+ 1.000 Sr2+ 2.000 P5+ 5.000 O2- -2.000 _cod_duplicate_entry 1007061