#------------------------------------------------------------------------------ #$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/12/1001285.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_1001285 loop_ _publ_author_name 'Hervieu, M' 'Germain, P' 'Desgardin, G' 'Raveau, B' _publ_section_title ; Non-stoichiometric titanates ^ ^(a2-2x)(ba3x)(ti6-x) o13 ^ ^with a tunnel structure ; _journal_coden_ASTM MRBUAC _journal_name_full 'Materials Research Bulletin' _journal_page_first 267 _journal_page_last 272 _journal_paper_doi 10.1016/0025-5408(79)90129-6 _journal_volume 14 _journal_year 1979 _chemical_formula_structural 'NA1.7 BA0.45 TI5.85 O13' _chemical_formula_sum 'Ba0.45 Na1.7 O13 Ti5.85' _chemical_name_systematic ; SODIUM BARIUM TITANIUM OXIDE (1.7/.5/5.9/13) ; _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 98.7 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 15.183 _cell_length_b 3.783 _cell_length_c 9.143 _cell_volume 519.1 _exptl_crystal_density_meas 3.8 _refine_ls_R_factor_all 0.085 _cod_original_formula_sum 'Ba.45 Na1.7 O13 Ti5.85' _cod_database_code 1001285 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 Na1 Na1+ 8 j 0.453 0.058 0.242 0.015 0 d Ba1 Ba2+ 8 j 0.453 0.058 0.242 0.008 0 d Na2 Na1+ 4 i 0.558 0. 0.483 0.82 0 d Ba2 Ba2+ 4 i 0.558 0. 0.483 0.21 0 d Ti1 Ti4+ 4 i 0.119 0. 0.097 0.975 0 d Ti2 Ti4+ 4 i 0.17 0. 0.439 0.975 0 d Ti3 Ti4+ 4 i 0.228 0. 0.771 0.975 0 d O1 O2- 2 a 0. 0. 0. 1. 0 d O2 O2- 4 i 0.238 0. 0.251 1. 0 d O3 O2- 4 i 0.076 0. 0.266 1. 0 d O4 O2- 4 i 0.292 0. 0.571 1. 0 d O5 O2- 4 i 0.13 0. 0.604 1. 0 d O6 O2- 4 i 0.361 0. 0.898 1. 0 d O7 O2- 4 i 0.17 0. 0.919 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Na1+ 1.000 Ba2+ 2.000 Ti4+ 4.000 O2- -2.000