#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/55/1525569.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_1525569 loop_ _publ_author_name 'Alonso, J.A.' 'Martinez-Lope, M.J.' 'Casais, M.T.' 'Garcia-Munoz, J.L.' 'Fernandez-Diaz, M.T.' _publ_section_title ; Room-temperature monoclinic distortion due to charge disproportionation in R Ni O3 perovskites with small rare-earth cations (R = Ho, Y, Er, Tm, Yb and Lu): a neutron diffraction study ; _journal_name_full 'Physical Review, Serie 3. B - Condensed Matter (18,1978-)' _journal_page_first 1756 _journal_page_last 1763 _journal_volume 61 _journal_year 2000 _chemical_formula_sum 'Er Ni O3' _chemical_name_systematic 'Er (Ni O3)' _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 90.112 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.1614 _cell_length_b 5.511 _cell_length_c 7.3997 _cell_volume 210.480 _citation_journal_id_ASTM PRBMDO _cod_data_source_file Alonso_PRBMDO_2000_461.cif _cod_data_source_block Er1Ni1O3 _cod_original_cell_volume 210.4802 _cod_original_sg_symbol_Hall '-P 2ybc (x-z,y,z)' _cod_original_formula_sum 'Er1 Ni1 O3' _cod_database_code 1525569 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,y+1/2,-z+1/2 -x,-y,-z x-1/2,-y-1/2,z-1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv O2 O-2 0.699 0.3088 0.0505 1 0.0 O1 O-2 0.1019 0.4694 0.2456 1 0.0 Er1 Er+3 0.9809 0.0733 0.2504 1 0.0 O3 O-2 0.1852 0.2021 0.9476 1 0.0 Ni1 Ni+3 0.5 0 0 1 0.0 Ni2 Ni+3 0.5 0 0.5 1 0.0