#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/1/1001513.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_1001513 _chemical_name_systematic ; Lanthanum strontium nickel oxide (1/1/1/3.4) ; _chemical_formula_structural '(La Sr) Ni O3.43' _chemical_formula_sum 'La Ni O3.43 Sr' _publ_section_title ; Evidence for nickel-(I)-rich mixed oxide with a defect K~2~NiF~4~ type structure ; loop_ _publ_author_name 'Crespin, M' 'Landron, C' 'Odier, P' 'Bassat, J M' 'Mouron, P' 'Choisnet, J' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 100 _journal_year 1992 _journal_page_first 281 _journal_page_last 291 _cell_length_a 3.8666(6) _cell_length_b 3.7281(9) _cell_length_c 12.644(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 182.3 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'I m m m' _symmetry_Int_Tables_number 71 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' '-x,y,-z' '-x,-y,z' '-x,-y,-z' '-x,y,z' 'x,-y,z' 'x,y,-z' '1/2+x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' '1/2-x,1/2-y,1/2-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2+x,1/2+y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 Sr2+ 2.000 Ni2+ 1.860 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 La1 La3+ 4 i 0. 0. 0.3586(2) 0.5 0 d Sr1 Sr2+ 4 i 0. 0. 0.3586(2) 0.5 0 d Ni1 Ni2+ 2 a 0. 0. 0. 1. 0 d O1 O2- 4 i 0. 0. 0.164(1) 1. 0 d O2 O2- 2 b 0.5 0. 0. 1. 0 d O3 O2- 2 d 0. 0.5 0. 0.43(2) 0 d _refine_ls_R_factor_all 0.036 _cod_database_code 1001513