#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1004147.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_1004147 _chemical_name_systematic 'Lead vanadium oxide (0.3/2/5) - $-beta' _chemical_formula_structural 'Pb0.3 V2 O5' _chemical_formula_sum 'O5 Pb0.3 V2' _[local]_cod_chemical_formula_sum_orig 'O5 Pb.3 V2' _publ_section_title ; Bidimensional cationic ordering and thermal dependence in $-beta- Pb(x) V2 O5 bronzes ; loop_ _publ_author_name 'Mentre, O' 'Huve, M' 'Abraham, F' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 145 _journal_year 1999 _journal_page_first 186 _journal_page_last 196 _cell_length_a 15.478(10) _cell_length_b 3.644(5) _cell_length_c 10.123(6) _cell_angle_alpha 90 _cell_angle_beta 109.29(1) _cell_angle_gamma 90 _cell_volume 538.9 _cell_formula_units_Z 6 _symmetry_space_group_name_H-M 'C 1 2/m 1' _symmetry_Int_Tables_number 12 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,z' '-x,-y,-z' '-x,y,-z' '1/2+x,1/2+y,z' '1/2+x,1/2-y,z' '1/2-x,1/2-y,-z' '1/2-x,1/2+y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Pb2+ 2.000 V5+ 4.700 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 Pb1 Pb2+ 4 i 0.00433(4) 0. 0.39454(6) 0.451(2) 0 d V1 V5+ 4 i 0.33531(7) 0. 0.0982(1) 1. 0 d V2 V5+ 4 i 0.11721(8) 0. 0.1157(1) 1. 0 d V3 V5+ 4 i 0.28448(7) 0. 0.4081(1) 1. 0 d O1 O2- 2 a 0. 0. 0. 1. 0 d O2 O2- 4 i 0.8133(3) 0. 0.0504(4) 1. 0 d O3 O2- 4 i 0.6337(3) 0. 0.0776(4) 1. 0 d O4 O2- 4 i 0.4351(3) 0. 0.2161(4) 1. 0 d O5 O2- 4 i 0.2629(3) 0. 0.2219(4) 1. 0 d O6 O2- 4 i 0.1096(3) 0. 0.2728(5) 1. 0 d O7 O2- 4 i 0.7564(3) 0. 0.4245(5) 1. 0 d O8 O2- 4 i 0.3944(3) 0. 0.4699(5) 1. 0 d _refine_ls_R_factor_all 0.047