data_global _amcsd_formula_title 'Ca0.504 Cs2 Nb6 O24 P3' loop_ _publ_author_name 'Costentin G' 'Borel M' 'Grandin A' 'Leclaire A' 'Raveau B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 90 _journal_year 1991 _journal_page_first 279 _journal_page_last 284 _publ_section_title ; A niobium phosphate with a tunnel structure: Ca0.5Cs2Nb6P3O24 _cod_database_code 1001859 ; _database_code_amcsd 0013695 _chemical_formula_sum 'Cs1.998 Nb6 P3 O24 Ca.504' _cell_length_a 13.3799 _cell_length_b 13.3799 _cell_length_c 10.3713 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1607.939 _exptl_crystal_density_diffrn 4.090 _symmetry_space_group_name_H-M 'R 3 2' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' '-x,-x+y,-z' '2/3-x,1/3-x+y,1/3-z' '1/3-x,2/3-x+y,2/3-z' 'y,x,-z' '2/3+y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' 'x-y,-y,-z' '2/3+x-y,1/3-y,1/3-z' '1/3+x-y,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Cs1 0.35870 0.33530 0.22110 0.33300 Nb1 0.52097 0.16219 0.01378 1.00000 P1 0.22882 0.00000 0.00000 1.00000 O1 0.14860 0.97760 0.11590 1.00000 O2 0.18000 0.00000 0.50000 1.00000 O3 0.34590 0.10750 0.02540 1.00000 O4 0.47460 0.00000 0.00000 1.00000 O5 0.67700 0.21740 0.03000 1.00000 Ca1 0.00000 0.00000 0.00000 0.50400