La Ni O3 Garcia-Munoz J, Rodriguez-Carvajal, Lacorre P, Torrance J Physical Review B46 (1992) 4414-4425 Neutron-diffraction study of RNiO3 (R= La, Pr, Nd, Sm): Electronically induced structural changes across the metal-insulator transition _cod_database_code 1000310 _database_code_amcsd 0015263 5.4573 5.4573 13.1462 90 90 120 R-3c atom x y z La1 0 0 .25 Ni1 0 0 0 O1 .5456 0 .25