#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/70/1007048.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_1007048 loop_ _publ_author_name 'Averbuch-Pouchot, M T' 'Durif, A' 'Guitel, J C' _publ_section_title ; Crystal structure of K~3~ P Cr~4~ O~16~: A second example of a quaternary phosphorus ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 253 _journal_page_last 258 _journal_paper_doi 10.1016/0022-4596(81)90042-6 _journal_volume 38 _journal_year 1981 _chemical_formula_structural 'K3 P Cr4 O16' _chemical_formula_sum 'Cr4 K3 O16 P' _chemical_name_systematic 'Potassium tetrakis(chromato)phosphate' _space_group_IT_number 9 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 9 _symmetry_space_group_name_Hall 'C -2yc' _symmetry_space_group_name_H-M 'C 1 c 1' _cell_angle_alpha 90 _cell_angle_beta 106.13(5) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.512(6) _cell_length_b 11.74(2) _cell_length_c 14.74(2) _cell_volume 1581.2 _refine_ls_R_factor_all 0.055 _cod_database_code 1007048 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,1/2+z 1/2+x,1/2+y,z 1/2+x,1/2-y,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 Cr1 Cr6+ 4 a 0.4447 0.2361(3) 0.1411 1. 0 d Cr2 Cr6+ 4 a 0.3327(4) 0.4351(3) 0.4588(2) 1. 0 d Cr3 Cr6+ 4 a 0.3371(4) 0.0569(3) 0.4359(2) 1. 0 d Cr4 Cr6+ 4 a 0.4491(4) 0.2643(3) 0.7614(2) 1. 0 d P1 P5+ 4 a 0.1204(5) 0.2335(4) 0.4801(3) 1. 0 d K1 K1+ 4 a 0.2080(6) 0.4622(5) 0.1725(3) 1. 0 d K2 K1+ 4 a 0.1462(6) 0.2734(4) 0.8907(3) 1. 0 d K3 K1+ 4 a 0.1884(6) 0.0097(5) 0.1606(4) 1. 0 d O1 O2- 4 a 0.981(2) 0.165(1) 0.718(1) 1. 0 d O2 O2- 4 a 0.994(2) 0.385(1) 0.688(1) 1. 0 d O3 O2- 4 a 0.276(2) 0.233(2) 0.090(1) 1. 0 d O4 O2- 4 a 0.042(3) 0.221(2) 0.567(2) 1. 0 d O5 O2- 4 a 0.250(3) 0.494(3) 0.365(2) 1. 0 d O6 O2- 4 a 0.968(3) 0.123(3) 0.950(2) 1. 0 d O7 O2- 4 a 0.368(3) 0.473(2) 0.038(1) 1. 0 d O8 O2- 4 a 0.212(2) 0.343(2) 0.495(2) 1. 0 d O9 O2- 4 a -0.004(2) 0.431(2) .000(1) 1. 0 d O10 O2- 4 a 0.333(2) 0.125(2) 0.341(1) 1. 0 d O11 O2- 4 a 0.279(3) 0.065(2) 0.906(2) 1. 0 d O12 O2- 4 a 0.214(2) 0.128(1) 0.494(1) 1. 0 d O13 O2- 4 a 0.463(4) 0.383(2) 0.718(2) 1. 0 d O14 O2- 4 a 0.288(2) 0.251(4) 0.744(2) 1. 0 d O15 O2- 4 a 0.047(4) 0.311(3) 0.225(2) 1. 0 d O16 O2- 4 a 0.501(2) 0.264(2) 0.888(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Cr6+ 6.000 P5+ 5.000 K1+ 1.000 O2- -2.000