#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1001737.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_1001737 _chemical_name_systematic ; Neodymium strontium manganese oxide (0.7/0.3/1/3) ; _chemical_formula_structural '(Nd0.7 Sr0.3) Mn O3' _chemical_formula_sum 'Mn Nd.7 O3 Sr.3' _publ_section_title ; Low temperature orthorhombic to monoclinic transition due to size effect in Nd0.7 Ca0.3-x Srx Mn O3 : evidence for a new type of charge ordering ; loop_ _publ_author_name 'Millange, F' 'Caignaert, V' 'Mather, G' 'Suard, E' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 127 _journal_year 1996 _journal_page_first 131 _journal_page_last 135 _cell_length_a 5.4494(1) _cell_length_b 7.6964(1) _cell_length_c 5.4547(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 228.8 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P n m a' _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 Nd3+ 3.000 Sr2+ 2.000 Mn3+ 3.300 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 c 0.0259(2) 0.25 -0.0052(4) 0.7 0 d Sr1 Sr2+ 4 c 0.0259(2) 0.25 -0.0052(4) 0.3 0 d Mn1 Mn3+ 4 b 0. 0. 0.5 1. 0 d O1 O2- 4 c 0.4908(4) 0.25 0.0655(4) 1. 0 d O2 O2- 8 d 0.2808(3) 0.0332(2) 0.7215(3) 1. 0 d _refine_ls_R_factor_all 0.048