#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/03/1000347.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_1000347 loop_ _publ_author_name 'Lacorre, Ph' _publ_section_title ; Passage from T-type to T'-type arrangement by reducing R~4~Ni~3~O~10~ to R~4~Ni~3~O~8~ (R=La, Pr, Nd) ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 495 _journal_page_last 500 _journal_paper_doi 10.1016/0022-4596(92)90061-Y _journal_volume 97 _journal_year 1992 _chemical_formula_structural 'Nd4 Ni3 O8' _chemical_formula_sum 'Nd4 Ni3 O8' _chemical_name_systematic 'Neodymium nickel oxide (4/3/8)' _space_group_IT_number 139 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 139 _symmetry_space_group_name_Hall '-I 4 2' _symmetry_space_group_name_H-M 'I 4/m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 3.9171(1) _cell_length_b 3.9171(1) _cell_length_c 25.307(1) _cell_volume 388.3 _refine_ls_R_factor_all 0.027 _cod_database_code 1000347 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x,y,z x,-y,z -y,x,z y,-x,z y,x,z -y,-x,z -x,-y,-z x,y,-z x,-y,-z -x,y,-z y,-x,-z -y,x,-z -y,-x,-z y,x,-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-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z 1/2+y,1/2+x,1/2+z 1/2-y,1/2-x,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+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2-z 1/2-y,1/2-x,1/2-z 1/2+y,1/2+x,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 Nd1 Nd3+ 4 e 0. 0. 0.4339(1) 1. 0 d Nd2 Nd3+ 4 e 0. 0. 0.2984(1) 1. 0 d Ni1 Ni1+ 2 a 0. 0. 0. 1. 0 d Ni2 Ni1+ 4 e 0. 0. 0.1248(2) 1. 0 d O1 O2- 4 c 0. 0.5 0. 1. 0 d O2 O2- 8 g 0. 0.5 0.1250(4) 1. 0 d O3 O2- 4 d 0. 0.5 0.25 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Nd3+ 3.000 Ni1+ 1.333 O2- -2.000