La2 Ni O6 Pt Ouchetto K, Archaimbault F, Choisnet J, Et-Tabirou M Materials Chemistry and Physics 51 (1997) 117-124 New ordered and distorted perovskites: the mixed platinates Ln2 M Pt O6 (Ln = La, Pr, Nd, Sm, Eu, Gd; M = Mg, Co, Ni, Zn) _cod_database_code 1001824 _database_code_amcsd 0014211 5.5741 5.6304 7.8973 90 90. 90 P2_1/n atom x y z occ La1 .501 .5461 .2494 Ni1 .5 0 0 .983 Pt1 .5 0 0 .017 Ni2 0 .5 0 .017 Pt2 0 .5 0 .983 O1 .209 .219 .939 O2 .285 .706 .944 O3 .398 .980 .254