#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1011291.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_1011291 _chemical_name_systematic 'Vanadium oxide' _chemical_name_mineral 'Shcherbianite' _chemical_compound_source 'synthetic from melt' _chemical_formula_structural 'V2 O5' _chemical_formula_sum 'O5 V2' _publ_section_title 'Die Kristallstruktur des Vanadiumpentoxyds' _publ_author_name 'Ketelaar, J A A' _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_coden_ASTM ZEKGAX _journal_volume 95 _journal_year 1936 _journal_page_first 9 _journal_page_last 27 _cell_length_a 11.503(10) _cell_length_b 4.369(5) _cell_length_c 3.557(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 178.8 _cell_formula_units_Z 2 _exptl_crystal_density_meas 3.32 _symmetry_space_group_name_H-M 'P m n 21' _symmetry_Int_Tables_number 31 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,z' '1/2-x,-y,1/2+z' '1/2+x,-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number 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 V1 V5+ 4 b 0.148(3) 0.097(3) 0. 1. 0 d O1 O2- 2 a 0. 0.08(2) 0.89(3) 1. 0 d O2 O2- 4 b 0.148(5) 0.45(1) 0.92(2) 1. 0 d O3 O2- 4 b 0.200(5) 0.03(1) 0.46(2) 1. 0 d