data_global _amcsd_formula_title 'K O12 P3 Ti2' loop_ _publ_author_name 'Masse R' 'Durif A' 'Guitel J' 'Tordjman I' _journal_name_full 'Bulletin de la Societe Francaise de Mineralogie et de Cristallographie' _journal_volume 95 _journal_year 1972 _journal_page_first 47 _journal_page_last 55 _publ_section_title ; Structure cristalline du monophosphate lacunaire K Ti2 (P O4)3. Monophosphates lacunaires NbGe(PO4)3 et M(V)Ti(PO4)3 pour M(V) = Sb, Nb, Ta _cod_database_code 1007058 ; _database_code_amcsd 0012135 _chemical_formula_sum 'Ti2 K P3 O12' _cell_length_a 9.770 _cell_length_b 9.770 _cell_length_c 9.770 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 932.575 _exptl_crystal_density_diffrn 2.990 _symmetry_space_group_name_H-M 'P 21 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-z,-x,1/2+y' '-z,1/2+x,1/2-y' '1/2+z,1/2-x,-y' 'z,x,y' '1/2+y,1/2-z,-x' '1/2-y,-z,1/2+x' '-y,1/2+z,1/2-x' 'y,z,x' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ti1 0.58650 0.58650 0.58650 1.00000 Ti2 0.86240 0.86240 0.86240 1.00000 K1 0.28180 0.28180 0.28180 0.80000 K2 0.07300 0.07300 0.07300 0.20000 P1 0.62660 0.45430 0.27200 1.00000 O1 0.64800 0.49900 0.42100 1.00000 O2 0.76300 0.47600 0.19600 1.00000 O3 0.58200 0.30400 0.26400 1.00000 O4 0.51500 0.54100 0.20300 1.00000