#------------------------------------------------------------------------------ #$Date: 2014-07-11 15:35:18 +0100 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/61/1006133.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_1006133 _chemical_name_systematic ; Lanthanum strontium nickel oxide (1.94/0.06/1/3.9) ; _chemical_formula_structural '(La1.94 Sr0.06) (Ni O3.94)' _chemical_formula_sum 'La1.94 Ni O3.94 Sr0.06' _[local]_cod_chemical_formula_sum_orig 'La1.94 Ni O3.94 Sr.06' _publ_section_title ; Oxygen vacancy ordering in La(2-x) Sr(x) Ni O(4-$-delta) (0 <= x <=0.5): the crystal structure and defects investigated by neutron diffraction ; loop_ _publ_author_name 'Medarde, M' 'Rodriguez-Carvajal, J' _journal_name_full 'Zeitschrift fuer Physik, B (1984-)' _journal_coden_ASTM ZPCMDN _journal_volume 102 _journal_year 1997 _journal_page_first 307 _journal_page_last 315 _cell_length_a 5.4332(4) _cell_length_b 5.4994(4) _cell_length_c 12.5734(6) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 375.7 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'B m a b' _symmetry_Int_Tables_number 64 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' 'x,1/2+y,1/2-z' 'x,1/2-y,1/2+z' '-x,-y,-z' '-x,y,z' '-x,1/2-y,1/2+z' '-x,1/2+y,1/2-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' '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' loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 Sr2+ 2.000 Ni2+ 1.940 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+ 8 f 0. -0.010(1) 0.3631(4) 0.97 0 d Sr1 Sr2+ 8 f 0. -0.010(1) 0.3631(4) 0.03 0 d Ni1 Ni2+ 4 a 0. 0. 0. 1. 0 d O1 O2- 8 e 0.25 0.25 -0.008(1) 0.97(1) 0 d O2 O2- 8 f 0. 0.036(2) 0.1776(5) 1. 0 d _refine_ls_R_factor_all 0.061 _cod_database_code 1006133 _journal_paper_doi 10.1007/s002570050293