Au0.17 Ba2 Ca2 Cu3 Hg0.69 O8.3 Bordet P, Le Floch S, Capponi J, Chaillout C, Gorius M, Marezio M, Tholence J, Radaelli P Physica C 262 (1996) 151-158 Gold substitution in mercury cuprate superconductors _cod_database_code 1008771 _database_code_amcsd 0016648 3.8464 3.8464 15.739 90 90 90 P4/mmm atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Hg1 0 0 0 .69 .006 .006 .048 0 0 0 Au1 0 0 0 .17 .006 .006 .048 0 0 0 Ba1 .5 .5 .1728 .015 .015 .031 0 0 0 Ca1 .5 .5 .3978 Cu1 0 0 .5 Cu2 0 0 .2972 O1 .5 0 .5 O2 .5 0 .3004 O3 0 0 .1204 .005 .005 .056 0 0 0 O4 .5 .5 0 .30