#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/11/1001108.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_1001108 loop_ _publ_author_name 'Hervieu, M' 'Rebbah, A' 'Desgardin, G' 'Raveau, B' _publ_section_title ; Layer Structuer: The Oxides A~3~ Ti~5~ M O~14~ ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 200 _journal_page_last 206 _journal_paper_doi 10.1016/0022-4596(80)90494-6 _journal_volume 35 _journal_year 1980 _chemical_formula_structural 'Rb3 Ti5 Nb O14' _chemical_formula_sum 'Nb O14 Rb3 Ti5' _chemical_name_systematic 'Trirubidium pentatitanium niobium oxide' _space_group_IT_number 12 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 100.93(4) _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 19.073(7) _cell_length_b 3.814(1) _cell_length_c 9.223(4) _cell_volume 658.8 _exptl_crystal_density_meas 4.07 _refine_ls_R_factor_all 0.06 _cod_database_code 1001108 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_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+ 4 i -0.012(1) 0. 0.049(2) 0.5 0 d Rb2 Rb1+ 4 i 0.0730(4) 0. 0.627 1. 0 d Ti1 Ti4+ 4 i 0.6317(4) 0. 0.333(1) 0.55 0 d Nb1 Nb5+ 4 i 0.6317(4) 0. 0.333(1) 0.45 0 d Ti2 Ti4+ 4 i 0.6856(7) 0. 0.014(2) 0.95 0 d Nb2 Nb5+ 4 i 0.6856(7) 0. 0.014(2) 0.05 0 d Ti3 Ti4+ 4 i 0.7328(8) 0. 0.708(2) 1. 0 d O1 O2- 4 i 0.5354(2) 0. 0.361(5) 1. 0 d O2 O2- 4 i 0.610(1) 0. 0.106(3) 1. 0 d O3 O2- 4 i 0.660(1) 0. 0.815(4) 1. 0 d O4 O2- 4 i 0.683(2) 0. 0.538(4) 1. 0 d O5 O2- 4 i 0.741(1) 0. 0.268(3) 1. 0 d O6 O2- 4 i 0.788(2) 0. 0.946(4) 1. 0 d O7 O2- 4 i 0.850(2) 0. 0.657(4) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Rb1+ 1.000 Ti4+ 4.000 Nb5+ 5.000 O2- -2.000