#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000431.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_1000431 _chemical_name_systematic 'Diiron(III) tetravanadate(V)' _chemical_formula_structural 'Fe2 (V4 O13)' _chemical_formula_sum 'Fe2 O13 V4' _publ_section_title ; Crystal structure of the tetrapolyvanadate Fe2 V4 O13 ; loop_ _publ_author_name 'Permer, L' 'Laligant, Y' _journal_name_full ; European Journal of Solid State Inorganic Chemistry ; _journal_coden_ASTM EJSCE5 _journal_volume 34 _journal_year 1997 _journal_page_first 41 _journal_page_last 52 _cell_length_a 8.3125(3) _cell_length_b 9.4055(4) _cell_length_c 14.5768(6) _cell_angle_alpha 90 _cell_angle_beta 102.231(2) _cell_angle_gamma 90 _cell_volume 1113.8 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 1 21/c 1' _symmetry_Int_Tables_number 14 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,1/2+y,1/2-z' '-x,-y,-z' 'x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 V5+ 5.000 O2- -2.000 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 Fe1 Fe3+ 4 e 0.9534(10) 0.0042(8) 0.2723(5) 1. 0 d Fe2 Fe3+ 4 e 0.569(1) 0.0061(8) 0.2526(5) 1. 0 d V1 V5+ 4 e 0.5145(11) 0.2560(11) -0.0673(7) 1. 0 d V2 V5+ 4 e 0.1292(12) 0.2395(10) -0.0747(7) 1. 0 d V3 V5+ 4 e 0.7119(10) 0.2788(9) 0.1600(7) 1. 0 d V4 V5+ 4 e 0.2143(12) 0.1871(10) 0.1518(8) 1. 0 d O1 O2- 4 e 0.1209(39) 0.1905(30) 0.0467(24) 1. 0 d O2 O2- 4 e 0.3303(37) 0.3088(27) -0.0336(22) 1. 0 d O3 O2- 4 e 0.6490(33) 0.2397(28) 0.0335(22) 1. 0 d O4 O2- 4 e 0.7487(40) 0.1319(35) 0.2196(26) 1. 0 d O5 O2- 4 e 0.7906(41) 0.8791(31) 0.3125(23) 1. 0 d O6 O2- 4 e 0.6024(41) 0.1147(32) 0.3884(21) 1. 0 d O7 O2- 4 e 0.5076(39) 0.8951(32) 0.1404(22) 1. 0 d O8 O2- 4 e 0.1003(41) 0.8497(27) 0.3368(22) 1. 0 d O9 O2- 4 e 0.9025(40) 0.8872(34) 0.1453(24) 1. 0 d O10 O2- 4 e 0.4058(42) 0.1728(31) 0.1776(22) 1. 0 d O11 O2- 4 e 0.0061(42) 0.1109(33) 0.3966(25) 1. 0 d O12 O2- 4 e 0.3911(36) 0.8858(28) 0.2978(22) 1. 0 d O13 O2- 4 e 0.116(4) 0.1151(28) 0.2336(22) 1. 0 d _refine_ls_R_factor_all 0.039