#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/13/1001396.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_1001396 loop_ _publ_author_name 'Leclaire, A' 'Benmoussa, A' 'Borel, M M' 'Grandin, A' 'Raveau, B.' _publ_section_title ; K~2-x~ Ti~2~ (P O~4~)~3~ with 0< x< 0.5: A Mixed-Valence Nonstoichiometric Titanophosphate with Langbeinite Structure ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 227 _journal_page_last 231 _journal_paper_doi 10.1016/0022-4596(89)90101-1 _journal_volume 78 _journal_year 1989 _chemical_formula_structural 'K2 Ti2 (P O4)3' _chemical_formula_sum 'K2 O12 P3 Ti2' _chemical_name_systematic ; Dipotassium titanium(III) titanium(IV) tris(phosphate) ; _space_group_IT_number 198 _symmetry_cell_setting cubic _symmetry_Int_Tables_number 198 _symmetry_space_group_name_Hall 'P 2ac 2ab 3' _symmetry_space_group_name_H-M 'P 21 3' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.8688(6) _cell_length_b 9.8688(6) _cell_length_c 9.8688(6) _cell_volume 961.2 _refine_ls_R_factor_all 0.03 _cod_database_code 1001396 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,z,x z,x,y 1/2+x,1/2-y,-z 1/2+y,1/2-z,-x 1/2+z,1/2-x,-y -x,1/2+y,1/2-z -y,1/2+z,1/2-x -z,1/2+x,1/2-y 1/2-x,-y,1/2+z 1/2-y,-z,1/2+x 1/2-z,-x,1/2+y 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 Ti1 Ti4+ 4 a 0.66257(8) 0.66257(8) 0.66257(8) 1. 0 d Ti2 Ti4+ 4 a 0.39258(8) 0.39258(8) 0.39258(8) 1. 0 d K1 K1+ 4 a 0.95591(15) 0.95591(15) 0.95591(15) 1. 0 d K2 K1+ 4 a 0.18437(14) 0.18437(14) 0.18437(14) 1. 0 d P1 P5+ 12 b 0.47556(12) 0.70937(12) 0.37811(12) 1. 0 d O1 O2- 12 b 0.60215(40) 0.82705(39) 0.75011(38) 1. 0 d O2 O2- 12 b 0.45286(40) 0.3046(4) 0.21980(39) 1. 0 d O3 O2- 12 b 0.48428(41) 0.56425(38) 0.32696(41) 1. 0 d O4 O2- 12 b 0.54510(42) 0.72680(42) 0.51655(38) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ti4+ 3.500 K1+ 1.000 P5+ 5.000 O2- -2.000