#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1001765.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_1001765 _chemical_name_systematic ; Neodymium strontium manganese oxide (0.5/0.5/1/3) ; _chemical_formula_structural 'Nd0.5 Sr0.5 (Mn O3)' _chemical_formula_sum 'Mn Nd0.5 O3 Sr0.5' _[local]_cod_chemical_formula_sum_orig 'Mn Nd.5 O3 Sr.5' _publ_section_title ; The manganite Nd0.5 Sr0.5 Mn O3: a rare distortion of the perovskite ; loop_ _publ_author_name 'Caignaert, V' 'Millange, F' 'Hervieu, M' 'Suard, E' 'Raveau, B' _journal_name_full 'Solid State Communications' _journal_coden_ASTM SSCOA4 _journal_volume 99 _journal_year 1996 _journal_page_first 173 _journal_page_last 177 _journal_issue 3 _cell_length_a 5.431(2) _cell_length_b 7.625(2) _cell_length_c 5.477(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 226.8 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'I m m a' _symmetry_Int_Tables_number 74 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' 'x,1/2+y,-z' 'x,1/2-y,z' '-x,-y,-z' '-x,y,z' '-x,1/2-y,z' '-x,1/2+y,-z' '1/2+x,1/2+y,1/2+z' '1/2+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,1/2-z' '1/2-x,1/2+y,1/2+z' '1/2-x,-y,1/2+z' '1/2-x,y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Nd3+ 3.000 Sr2+ 2.000 Mn4+ 3.500 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 Nd1 Nd3+ 4 e 0. 0.25 0.0016(22) 0.5 0 d Sr1 Sr2+ 4 e 0. 0.25 0.0016(22) 0.5 0 d Mn1 Mn4+ 4 b 0. 0. 0.5 1. 0 d O1 O2- 4 e 0. 0.25 0.5534(21) 1. 0 d O2 O2- 8 g 0.25 0.0268(10) 0.75 1. 0 d _refine_ls_R_factor_all 0.028 _cod_database_code 1001765