La2NiO4 Rodriguez-Carvajal J, Fernandez-Diaz M, Martinez J Journal of Physics: Condensed Matter 3 (1991) 3215-3234 Neutron diffraction study on structural and magnetic properties of La2NiO4 _cod_database_code 1006042 _database_code_amcsd 0013263 5.4618 5.4967 12.561 90 90 90 Bmab atom x y z La1 0 -.012 .3657 Ni1 0 0 0 O1 .25 .25 -.0160 O2 0 .053 .179