Ba2 Cu2.5 O7 Pd0.5 Y Ferey G, Le Bail A, Laligant Y, Hervieu M, Raveau B, Sulpice A, Tournier R Physica C 153 (1988) 489-490 Ordered Pd^2+^ - Cu^2+^ substitution in 1.2.3. superconductor: The oxide Y Ba2 Cu3-x Pdx Oy (x=0.5) with Pd^2+^ in square planar coordination _cod_database_code 1008378 _database_code_amcsd 0016288 3.841 3.883 11.671 90 90 90 Pmmm atom x y z occ Y1 .5 .5 .5 Ba1 .5 .5 .1841 Cu1 0 0 .3582 Cu2 0 0 0 .5 Pd1 0 0 0 .5 O1 0 0 .158 O2 0 .5 .367 O3 .5 0 .388 O4 .5 0 0