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 1006045 _database_code_amcsd 0013266 5.4499 5.5275 12.5118 90 90 90 Bmab atom x y z La1 0 -.0099 .3634 Ni1 0 0 0 O1 .25 .25 -.0095 O2 0 .0397 .1778