Cu2 Hg0.52 Mo0.48 O9.21 Sr4 Pelloquin D, Hervieu M, Malo S, Michel C, Maignan A, Raveau B Physica C 246 (1995) 1-10 Two transition-metal-substituted superconducting mercury-based oxycarbonates, Hg(1-x) Mx Sr4 Cu2 (C O3) O(6+d) (M=Cr and Mo) _cod_database_code 1001636 _database_code_amcsd 0015070 3.8448 3.8448 16.31729 90 90 90 P4/mmm atom x y z occ Hg1 0 0 0 .52 Mo1 0 0 0 .48 Sr1 .5 .5 .1573 Sr2 .5 .5 .3759 Cu1 0 0 .2657 C1 0 0 .5 O1 .5 .5 0 .21 O2 0 0 .1183 O3 0 0 .4238 O4 .675 0 .5 .25 O5 .5 0 .2807