Ba2 Cu Hg O4.12 Marezio M, Alexandre E, Bordet P, Capponi J, Chaillout C, Kopnin E, Loureiro S, Radaelli P, Van Tendeloo G Journal of Superconductivity 8 (1995) 507-510 Cation and anion disorder in Hg Ba2 Can-1 Cun O2n+2+d _cod_database_code 1008723 _database_code_amcsd 0016607 3.87320 3.87320 9.48088 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 .0165 .0165 .0166 0 0 0 Ba1 .5 .5 .29520 Cu1 0 0 .5 O1 .5 0 .5 O2 0 0 .2068 .037 .037 .002 0 0 0 O3 .5 .5 0 .12