#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/12/1001251.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_1001251 loop_ _publ_author_name 'Agafonov, V' 'Kahn, A' 'Michel, D' 'Guymont, M' _publ_section_title ; Crystal structure of Ba Sc~2~ O~4~; its relation with Perovskite ; _journal_coden_ASTM MRBUAC _journal_name_full 'Materials Research Bulletin' _journal_page_first 975 _journal_page_last 981 _journal_paper_doi 10.1016/0025-5408(83)90009-0 _journal_volume 18 _journal_year 1983 _chemical_formula_structural 'Ba Sc2 O4' _chemical_formula_sum 'Ba O4 Sc2' _chemical_name_systematic 'Barium discandium oxide' _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 90.(0) _cell_angle_gamma 90 _cell_formula_units_Z 12 _cell_length_a 9.84 _cell_length_b 5.81 _cell_length_c 20.65 _cell_volume 1180.6 _exptl_crystal_density_meas 4.9 _refine_ls_R_factor_all 0.05 _cod_database_code 1001251 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,1/2-z -x,-y,-z x,-y,1/2+z 1/2+x,1/2+y,z 1/2-x,1/2+y,1/2-z 1/2-x,1/2-y,-z 1/2+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 Ba1 Ba2+ 4 f 0. 0.109(1) 0.25 1. 0 d Ba2 Ba2+ 8 e 0.3344(2) 0.109(1) 0.1385(1) 1. 0 d Sc1 Sc3+ 8 e 0.1662(2) 0.608(2) 0.1969(5) 1. 0 d Sc2 Sc3+ 8 e 0.1640(5) 0.619(2) 0.0530(2) 1. 0 d Sc3 Sc3+ 8 e 0.0028(5) 0.117(2) 0.0697(3) 1. 0 d O1 O2- 4 f 0. 0.570(9) 0.25 1. 0 d O2 O2- 8 e 0.264(2) 0.373(7) 0.248(1) 1. 0 d O3 O2- 8 e 0.065(3) 0.839(5) 0.123(1) 1. 0 d O4 O2- 8 e 0.103(2) 0.356(5) 0.121(1) 1. 0 d O5 O2- 8 e 0.336(2) 0.653(4) 0.121(1) 1. 0 d O6 O2- 8 e 0.153(2) 0.943(5) 0.0025(10) 1. 0 d O7 O2- 4 b 0. 0.5 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Sc3+ 3.000 O2- -2.000