#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1004104.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_1004104 _chemical_name_systematic 'Bismuth vanadium oxide (1.7/8/16)' _chemical_formula_structural 'Bi1.62 V8 O16' _chemical_formula_sum 'Bi1.62 O16 V8' _publ_section_title ; Bi~1.7~V~8~O~16~ The first Bi-hollandite-type compound ; loop_ _publ_author_name 'Abraham, F' 'Mentre, O' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 109 _journal_year 1994 _journal_page_first 127 _journal_page_last 133 _cell_length_a 9.930(4) _cell_length_b 9.930(4) _cell_length_c 2.914(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 287.3 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'I 4/m' _symmetry_Int_Tables_number 87 _symmetry_cell_setting tetragonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '-y,x,z' 'y,-x,z' '-x,-y,-z' 'x,y,-z' 'y,-x,-z' '-y,x,-z' '1/2+x,1/2+y,1/2+z' '1/2-x,1/2-y,1/2+z' '1/2-y,1/2+x,1/2+z' '1/2+y,1/2-x,1/2+z' '1/2-x,1/2-y,1/2-z' '1/2+x,1/2+y,1/2-z' '1/2+y,1/2-x,1/2-z' '1/2-y,1/2+x,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 V3+ 3.390 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 Bi1 Bi3+ 4 e 0. 0. 0.10449(28) 0.406(2) 0 d V1 V3+ 8 h 0.35504(8) 0.17023(8) 0. 1. 0 d O1 O2- 8 h 0.15302(36) 0.19406(36) 0. 1. 0 d O2 O2- 8 h 0.54078(36) 0.16439(36) 0. 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Bi1 0.0147(3) 0. 0. 0.0147(3) 0. 0.0322(9) V1 0.0058(4) 0.0002(3) 0. 0.0058(4) 0. 0.0090(5) _refine_ls_R_factor_all 0.022