Ba2 Cu2.5 O7 Pd0.5 Y Ferey G, Le B, Laligant Y, Hervieu M, Raveau B, Sulpice A, Tournier R Journal of Solid State Chemistry 73 (1988) 610-614 Ordered Pd^2+^ - Cu^2+^ Substitution on 1.2.3 Superconductor: The Oxide Y Ba2 Cu(3-x) Pdx Oy (x=0.5) with Pd2+ in Square Planar Coordination _cod_database_code 1008372 _database_code_amcsd 0016282 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