#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002139.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_2002139 _chemical_name_systematic 'Neodymium copper nickel oxide (2/0.5/0.5/4)' _chemical_formula_structural 'Nd2 (Cu0.5 Ni0.5) O4' _chemical_formula_sum 'Cu.5 Nd2 Ni.5 O4' _publ_section_title ; Nd1.5 Sr0.5 (Cu, Al)O4 und Nd2 (Cu, Ni) O4, ein Beitrag zur Koordination der Cu(2+) - Positionen ; loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Harneit, O' _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_volume 573 _journal_year 1989 _journal_page_first 7 _journal_page_last 11 _cell_length_a 5.3653(30) _cell_length_b 5.4364(14) _cell_length_c 12.4599(89) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 363.4 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C c 2 a' _symmetry_Int_Tables_number 41 _symmetry_cell_setting orthorhombic 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' '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_type_symbol _atom_type_oxidation_number Nd3+ 3.000 Cu2+ 2.000 Ni2+ 2.000 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+ 8 b 0.0164(17) 0. 0.3591(3) 1. 0 d Cu1 Cu2+ 4 a 0. 0.0145(77) 0. 0.5 0 d Ni1 Ni2+ 4 a 0. 0.0145(77) 0. 0.5 0 d O1 O2- 8 b 0.25 0.257(14) 0. 1. 0 d O2 O2- 8 b 0. 0.061(7) 0.171(3) 1. 0 d _refine_ls_R_factor_all 0.063