data_global _amcsd_formula_title 'La2 Ni O4' loop_ _publ_author_name 'Odier P' 'Leblanc M' 'Choisnet J' _journal_name_full 'Materials Research Bulletin' _journal_volume 21 _journal_year 1986 _journal_page_first 787 _journal_page_last 796 _publ_section_title ; Structural characterization of an orthorhombic form of La Ni O4 _cod_database_code 1000414 ; _database_code_amcsd 0014318 _chemical_formula_sum 'La2 Ni O4' _cell_length_a 5.468 _cell_length_b 5.535 _cell_length_c 12.547 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 379.740 _exptl_crystal_density_diffrn 7.005 _symmetry_space_group_name_H-M 'P n c b' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2-z' '-x,-y,z' 'x,1/2-y,1/2+z' '-x,y,-z' '-x,1/2+y,1/2+z' 'x,-y,-z' '-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z La1 0.00000 0.00000 0.37740 La2 0.50000 0.00000 0.13670 Ni1 0.00000 0.00000 0.00000 Ni2 0.50000 0.00000 0.50000 O1 0.00000 0.00000 0.19500 O2 0.50000 0.00000 0.32600 O3 0.22600 0.25000 0.00700