#------------------------------------------------------------------------------ #$Date: 2009-11-18 14:56:34 +0000 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002228.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_2002228 _chemical_name_systematic 'Calcium iron gallium oxide (2/.5/1.5/5)' _chemical_formula_structural 'Ca2 Fe0.5 Ga1.5 O5' _chemical_formula_sum 'Ca2 Fe0.5 Ga1.5 O5' _[local]_cod_chemical_formula_sum_orig 'Ca2 Fe.5 Ga1.5 O5' _publ_section_title ; Zur Kenntnis von Ca2 Fe Ga O5, ein Beitrag zur Kristallchemie von (M2+)2 (Me3+)2 O5 -Verbindungen ; loop_ _publ_author_name 'Arpe, R' 'Schenck, R von' 'Mueller-Buschbaum, Hk' _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_volume 410 _journal_year 1974 _journal_page_first 97 _journal_page_last 103 _cell_length_a 5.597 _cell_length_b 14.654 _cell_length_c 5.383 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 441.5 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P c m n' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,1/2-y,1/2+z' '-x,1/2+y,-z' '1/2+x,-y,1/2-z' '-x,-y,-z' '1/2+x,1/2+y,1/2-z' 'x,1/2-y,z' '1/2-x,y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Fe3+ 3.000 Ga3+ 3.000 O2- -2.000 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 Ca1 Ca2+ 8 d 0.026 0.1081 0.4833 1. 0 d Fe1 Fe3+ 4 a 0. 0. 0. 0.5 0 d Ga1 Ga3+ 4 a 0. 0. 0. 0.5 0 d Ga2 Ga3+ 4 c 0.931 0.25 0.9501 1. 0 d O1 O2- 8 d 0.236 0.985 0.274 1. 0 d O2 O2- 4 c 0.876 0.25 0.602 1. 0 d O3 O2- 8 d 0.069 0.142 0.018 1. 0 d _refine_ls_R_factor_all 0.055