data_global _amcsd_formula_title 'Nd2 Ni O4' loop_ _publ_author_name 'Rodriguez-Carvajal J' 'Fernandez-Diaz M' 'Martinez J' 'Fernandez F' 'Saez-Puche R' _journal_name_full 'Europhysics Letters' _journal_volume 11 _journal_year 1990 _journal_page_first 261 _journal_page_last 268 _publ_section_title ; Structural phase transitions and three-dimensional magnetic ordering in the Nd2NiO4 oxide _cod_database_code 1006025 ; _database_code_amcsd 0012639 _chemical_formula_sum 'Ni Nd2 O4' _cell_length_a 5.3876 _cell_length_b 5.5883 _cell_length_c 12.135 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 365.355 _exptl_crystal_density_diffrn 7.475 _symmetry_space_group_name_H-M 'B m a b' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,y,1/2+z' 'x,1/2+y,1/2-z' '1/2+x,1/2+y,-z' '-x,1/2-y,1/2+z' '1/2-x,1/2-y,+z' '-x,y,z' '1/2-x,y,1/2+z' 'x,-y,-z' '1/2+x,-y,1/2-z' 'x,1/2-y,1/2+z' '1/2+x,1/2-y,+z' '-x,1/2+y,1/2-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ni1 0.00000 0.00000 0.00000 Nd1 0.00000 -0.01500 0.36320 O1 0.25000 0.25000 -0.01790 O2 0.00000 0.06300 0.17940