#------------------------------------------------------------------------------ #$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/60/1006069.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_1006069 loop_ _publ_author_name 'Alonso, J A' 'Rasines, I' 'Rodriguez-Carvajal, J' 'Torrance, J B' _publ_section_title ; Hole and electron doping of R~2~BaNiO~5~ (R=rare earths) ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 231 _journal_page_last 240 _journal_paper_doi 10.1006/jssc.1994.1098 _journal_volume 109 _journal_year 1994 _chemical_formula_structural '(Er1.64 Ca0.36) Ba Ni O5' _chemical_formula_sum 'Ba Ca0.36 Er1.64 Ni O5' _chemical_name_systematic ; Erbium calcium barium nickel oxide (1.6/0.4/1/1/5) ; _space_group_IT_number 71 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 71 _symmetry_space_group_name_Hall '-I 2 2' _symmetry_space_group_name_H-M 'I m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 3.7342(2) _cell_length_b 5.7486(3) _cell_length_c 11.2625(8) _cell_volume 241.8 _refine_ls_R_factor_all 0.0281 _cod_original_formula_sum 'Ba Ca.36 Er1.64 Ni O5' _cod_database_code 1006069 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_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 Ca1 Ca2+ 4 j 0.5 0. 0.2041(1) 0.180(24) 0 d Er1 Er3+ 4 j 0.5 0. 0.2041(1) 0.82 0 d Ba1 Ba2+ 2 c 0.5 0.5 0. 1. 0 d Ni1 Ni2+ 2 a 0. 0. 0. 1. 0 d O1 O2- 8 l 0. 0.2394(3) 0.1472(1) 1. 0 d O2 O2- 2 a 0.5 0. 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Er3+ 3.000 Ba2+ 2.000 Ni2+ 2.360 O2- -2.000