#------------------------------------------------------------------------------ #$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $ #$Revision: 176729 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/12/1001201.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_1001201 loop_ _publ_author_name 'Hervieu, M' 'Desgardin, G' 'Raveau, B' _publ_section_title ; Titanoniobates et Titanotantalates avec une structure a tunnels: les oxydes A Ti~3~ M O~9~ et (A~2~ Ti~6~ O~13~)~n~ * A Ti~3~ M O~9~ ; _journal_coden_ASTM ANCPAC _journal_name_full 'Annales de Chimie (Paris) (Vol=Year)' _journal_page_first 339 _journal_page_last 346 _journal_volume 1979 _journal_year 1979 _chemical_formula_structural 'Rb Ti3 Nb O9' _chemical_formula_sum 'Nb O9 Rb Ti3' _chemical_name_systematic 'Trititanium rubidium niobium oxide' _space_group_IT_number 59 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2c 2bc' _symmetry_space_group_name_H-M 'P n m m :2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 6.407 _cell_length_b 3.797 _cell_length_c 14.918 _cell_volume 362.9 _exptl_crystal_density_meas 4.29 _refine_ls_R_factor_all 0.077 _cod_original_sg_symbol_H-M 'P n m m Z' _cod_database_code 1001201 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,y,1/2-z x,1/2-y,z x,1/2-y,1/2-z -x,-y,-z -x,-y,1/2+z -x,1/2+y,-z -x,1/2+y,1/2+z 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 Rb1 Rb1+ 2 b 0.2129 0.75 0.25 1. 0 d Ti1 Ti4+ 4 f 0.3115 0.25 0.0442 0.75 0 d Ti2 Ti4+ 4 f 0.7543 0.25 0.1273 0.75 0 d Nb1 Nb5+ 4 f 0.3115 0.25 0.0442 0.25 0 d Nb2 Nb5+ 4 f 0.7543 0.25 0.1273 0.25 0 d O1 O2- 4 f 0.6608 0.25 0.5218 1. 0 d O2 O2- 4 f 0.2231 0.25 0.5996 1. 0 d O3 O2- 4 f 0.4308 0.25 0.15 1. 0 d O4 O2- 4 f 0.0295 0.25 0.0836 1. 0 d O5 O2- 2 a 0.834 0.25 0.25 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Rb1+ 1.000 Ti4+ 4.000 Nb5+ 5.000 O2- -2.000