#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/18/1001813.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_1001813 loop_ _publ_author_name 'Borel, M M' 'Leclaire, A' 'Chardon, J' 'Provost, J' 'Rebbah, H' 'Raveau, B' _publ_section_title ; A V(IV) tetraphosphate with a tunnel structure K2 (V O)2 P4 O13 ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 41 _journal_page_last 46 _journal_paper_doi 10.1006/jssc.1997.7404 _journal_volume 132 _journal_year 1997 _chemical_formula_structural 'K2 (V2 P4 O15)' _chemical_formula_sum 'K2 O15 P4 V2' _chemical_name_systematic ; Dipotassium tecto-divanado(IV)tetraphosphate(V) ; _space_group_IT_number 61 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 61 _symmetry_space_group_name_Hall '-P 2ac 2ab' _symmetry_space_group_name_H-M 'P b c a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 22.181(2) _cell_length_b 11.564(1) _cell_length_c 9.548(1) _cell_volume 2449.1 _refine_ls_R_factor_all 0.043 _cod_database_code 1001813 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,-z -x,1/2+y,1/2-z 1/2-x,-y,1/2+z -x,-y,-z 1/2-x,1/2+y,z x,1/2-y,1/2+z 1/2+x,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 V1 V4+ 8 c 0.0304(1) 0.1198(2) 0.2578(2) 1. 0 d V2 V4+ 8 c 0.22498(9) -0.0687(2) -0.0163(2) 1. 0 d P1 P5+ 8 c 0.0299(1) 0.3814(3) 0.1254(3) 1. 0 d P2 P5+ 8 c 0.1131(1) 0.5596(2) 0.2191(3) 1. 0 d P3 P5+ 8 c 0.3086(1) 0.1510(2) -0.0201(3) 1. 0 d P4 P5+ 8 c 0.1675(1) 0.0270(2) 0.2708(3) 1. 0 d K1 K1+ 8 c -0.0619(1) 0.1544(2) -0.0661(3) 1. 0 d K2 K1+ 8 c 0.1351(1) 0.1998(2) -0.0365(3) 1. 0 d O1 O2- 8 c 0.0361(4) 0.0856(6) 0.0959(7) 1. 0 d O2 O2- 8 c 0.0204(3) -0.0394(6) 0.3326(7) 1. 0 d O3 O2- 8 c 0.1190(3) 0.1151(6) 0.2973(7) 1. 0 d O4 O2- 8 c 0.0416(3) 0.2917(6) 0.2393(8) 1. 0 d O5 O2- 8 c -0.0608(3) 0.1418(5) 0.2559(8) 1. 0 d O6 O2- 8 c 0.0239(3) 0.1714(5) 0.4821(7) 1. 0 d O7 O2- 8 c 0.2759(3) 0.8834(7) 0.0824(7) 1. 0 d O8 O2- 8 c 0.2712(3) -0.0729(6) 0.8050(7) 1. 0 d O9 O2- 8 c 0.1626(3) -0.0253(6) 0.1262(8) 1. 0 d O10 O2- 8 c 0.1839(3) 0.7760(6) -0.0516(8) 1. 0 d O11 O2- 8 c 0.2459(3) 0.1038(5) -0.0141(7) 1. 0 d O12 O2- 8 c 0.1446(3) -0.0163(6) 0.8443(7) 1. 0 d O13 O2- 8 c 0.0915(3) 0.4573(6) 0.1211(8) 1. 0 d O14 O2- 8 c 0.3410(3) 0.1299(7) 0.1257(8) 1. 0 d O15 O2- 8 c 0.3470(3) 0.0796(6) 0.8751(8) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number V4+ 4.000 P5+ 5.000 K1+ 1.000 O2- -2.000