data_global _amcsd_formula_title 'La Ni O3' loop_ _publ_author_name 'Garcia-Munoz J' 'Rodriguez-Carvajal' 'Lacorre P' 'Torrance J' _journal_name_full 'Physical Review' _journal_volume B46 _journal_year 1992 _journal_page_first 4414 _journal_page_last 4425 _publ_section_title ; Neutron-diffraction study of RNiO3 (R= La, Pr, Nd, Sm): Electronically induced structural changes across the metal-insulator transition _cod_database_code 1000309 ; _database_code_amcsd 0015262 _chemical_formula_sum 'La Ni O3' _cell_length_a 5.4536 _cell_length_b 5.4536 _cell_length_c 13.1062 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 337.578 _exptl_crystal_density_diffrn 7.248 _symmetry_space_group_name_H-M 'R -3 c' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,1/2+z' '2/3+x,1/3+x-y,5/6+z' '1/3+x,2/3+x-y,1/6+z' 'y,x,1/2-z' '2/3+y,1/3+x,5/6-z' '1/3+y,2/3+x,1/6-z' '-x+y,y,1/2+z' '2/3-x+y,1/3+y,5/6+z' '1/3-x+y,2/3+y,1/6+z' '-x,-x+y,1/2-z' '2/3-x,1/3-x+y,5/6-z' '1/3-x,2/3-x+y,1/6-z' '-y,-x,1/2+z' '2/3-y,1/3-x,5/6+z' '1/3-y,2/3-x,1/6+z' 'x-y,-y,1/2-z' '2/3+x-y,1/3-y,5/6-z' '1/3+x-y,2/3-y,1/6-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z La1 0.00000 0.00000 0.25000 Ni1 0.00000 0.00000 0.00000 O1 0.54670 0.00000 0.25000