#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/21/2002129.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_2002129 loop_ _publ_author_name 'Cuno, E' 'Mueller-Buschbaum, Hk' _publ_section_title ; Zur Kenntnis neuer Oxochromate: Sr Cr10 O15 und Ba Cr10 O15 mit zweiwertigem Chrom : M Cr(2+)2 Cr(3+)8 O15 ; _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_page_first 89 _journal_page_last 94 _journal_paper_doi 10.1002/zaac.19895720110 _journal_volume 572 _journal_year 1989 _chemical_formula_structural 'Sr (Cr10 O15)' _chemical_formula_sum 'Cr10 O15 Sr' _chemical_name_systematic 'Strontium dichromo(II)octachromate(III)' _space_group_IT_number 64 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 64 _symmetry_space_group_name_Hall '-C 2ac 2ac' _symmetry_space_group_name_H-M 'C c m b' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 10.059(12) _cell_length_b 11.406(15) _cell_length_c 9.224(11) _cell_volume 1058.3 _refine_ls_R_factor_all 0.089 _cod_database_code 2002129 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,-z 1/2-x,y,1/2+z 1/2+x,y,1/2-z -x,-y,-z x,-y,z 1/2+x,-y,1/2-z 1/2-x,-y,1/2+z 1/2+x,1/2+y,z 1/2-x,1/2+y,-z -x,1/2+y,1/2+z x,1/2+y,1/2-z 1/2-x,1/2-y,-z 1/2+x,1/2-y,z x,1/2-y,1/2-z -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 Sr1 Sr2+ 4 a 0. 0. 0. 1. 0 d Cr1 Cr3+ 16 g 0.1644(5) 0.2450(5) 0.1189(5) 1. 0 d Cr2 Cr3+ 16 g 0.4159(4) 0.6275(5) 0.3574(4) 1. 0 d Cr3 Cr3+ 8 f 0.1842(6) 0. 0.3640(7) 1. 0 d O1 O2- 16 g 0.2342(8) 0.1252(9) 0.5109(9) 1. 0 d O2 O2- 16 g 0.5864(8) 0.1289(9) 0.2464(9) 1. 0 d O3 O2- 8 e 0.3255(9) 0.25 0.25 1. 0 d O4 O2- 8 f 0.3589(9) 0. 0.2632(9) 1. 0 d O5 O2- 8 d 0. 0.2559(9) 0. 1. 0 d O6 O2- 4 b 0. 0.5 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Sr2+ 2.000 Cr3+ 2.800 O2- -2.000