Ba0.15 Ca Cu2 La1.85 O6 Navarro J, Fuertes A, Gomez-Romero P, Rodriguez-Carjaval J Solid State Communications 81 (1992) 677-681 Crystal structure of La1.85 Ba0.15 Ca Cu2 O6+y determined by neutron powder diffraction _cod_database_code 1006110 _database_code_amcsd 0015487 3.83304 3.83304 19.5327 90 90 90 I4/mmm atom x y z occ Ca1 0 0 0 .76 La1 0 0 0 .24 La2 0 0 .1759 .81 Ca2 0 0 .1759 .115 Ba1 0 0 .1759 .075 Cu1 0 0 .5852 O1 0 .5 .0820 O2 0 0 .7031 O3 0 0 .5 .04