#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/12/1001259.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_1001259 loop_ _publ_author_name 'Gasperin, M' 'Saine, M C' 'LaVille, F' 'Lejus, A M' 'Kahn, A' _publ_section_title ; Influence of M^2+^ ions substitution on the structure of lanthanum hexaaluminates with magnetoplumbite structure ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 61 _journal_page_last 69 _journal_paper_doi 10.1016/0022-4596(84)90131-2 _journal_volume 54 _journal_year 1984 _chemical_formula_analytical 'La0.9 Co0.75 Al11.2 O18.9' _chemical_formula_structural 'La0.9 Al11.95 O18.9' _chemical_formula_sum 'Al11.95 La0.9 O18.9' _chemical_name_systematic 'Lanthanum aluminium oxide (.9/11.9/18.9)' _space_group_IT_number 194 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 194 _symmetry_space_group_name_Hall '-P 6c 2c' _symmetry_space_group_name_H-M 'P 63/m m c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 2 _cell_length_a 5.577 _cell_length_b 5.577 _cell_length_c 22.003 _cell_volume 592.7 _refine_ls_R_factor_all 0.06 _[local]_cod_chemical_formula_sum_orig 'Al11.95 La.9 O18.9' _cod_database_code 1001259 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z -y,-x,z y-x,y,z x,x-y,z -x,-y,-z y,y-x,-z x-y,x,-z y,x,-z x-y,-y,-z -x,y-x,-z -x,-y,1/2+z y,y-x,1/2+z x-y,x,1/2+z y,x,1/2+z x-y,-y,1/2+z -x,y-x,1/2+z x,y,1/2-z -y,x-y,1/2-z y-x,-x,1/2-z -y,-x,1/2-z y-x,y,1/2-z x,x-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 La1 La3+ 6 h 0.677(1) 0.323 0.25 0.3 0 d Al1 Al3+ 2 a 0. 0. 0. 1. 0 d Al2 Al3+ 4 f 0.3333 0.6667 0.0265(2) 1. 0 d Al3 Al3+ 4 f 0.3333 0.6667 0.1894(4) 1. 0 d Al4 Al3+ 12 k 0.8325(10) 0.665 0.1079(1) 1. 0 d Al5 Al3+ 4 e 0. 0. 0.2382(5) 0.44 0 d O1 O2- 6 h 0.1853(30) 0.3706 0.25 1. 0 d O2 O2- 12 k 0.153(2) 0.306 0.0536(4) 1. 0 d O3 O2- 12 k 0.5034(20) 0.0068 0.1505(1) 1. 0 d O4 O2- 4 e 0. 0. 0.1500(6) 1. 0 d O5 O2- 4 f 0.6667 0.3333 0.0571(6) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 Al3+ 3.000 O2- -2.000