data_1000116 _chemical_name_systematic 'Thallium vanadium oxide (0.5/2/5)' _chemical_formula_structural 'Tl0.5 V2 O5' _chemical_formula_sum 'O5 Tl.5 V2' _publ_section_title ; Structure and phase transitions of low-dimensional thallium vanadium bronze Tl~x~V~2~O~5~ (0.44<=x<=0.48) ; loop_ _publ_author_name 'Ganne, M' 'Jouanneaux, A' 'Tournoux, M' 'Le Bail, A' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 97 _journal_year 1992 _journal_page_first 186 _journal_page_last 198 _cell_length_a 11.609(8) _cell_length_b 3.6877(2) _cell_length_c 9.629(6) _cell_angle_alpha 90 _cell_angle_beta 100.90(4) _cell_angle_gamma 90 _cell_volume 404.8 _cell_formula_units_Z 4 _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 Tl1+ 1.000 V5+ 4.750 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 Tl1 Tl1+ 2 d 0. 0.5 0.5 1. 0 d V1 V5+ 4 i 0.2079(4) 0. 0.8447(4) 1. 0 d V2 V5+ 4 i 0.0888(4) 0. 0.1533(4) 1. 0 d O1 O2- 4 i 0.3745(11) 0. 0.8726(10) 1. 0 d O2 O2- 4 i 0.0989(9) 0. 0.3221(13) 1. 0 d O3 O2- 4 i 0.0603(12) 0. 0.9063(11) 1. 0 d O4 O2- 4 i 0.2662(12) 0. 0.1128(9) 1. 0 d O5 O2- 4 i 0.1738(10) 0. 0.6832(13) 1. 0 d _refine_ls_R_factor_all 0.055