Ce0.5 Cu1.1 Hg0.4 La0.6 O5 Sr1.4 Maignan A, Martin C, Michel C, Hervieu M, Raveau B Journal of Solid State Chemistry 116 (1995) 347-354 A new "1201" mercury-based cuprate with Hg Ce mixed layers: the oxide Hg0.4 Ce0.5 Cu0.1 Sr2-x Lax Cu O4+d _cod_database_code 1001652 _database_code_amcsd 0013864 3.7352 7.5749 17.9657 90 90 90 Ammm atom x y z occ Hg1 0 0 0 .8 Cu1 0 0 0 .2 Ce1 0 .5 0 La1 .5 .25 .1477 .3 Sr1 .5 .25 .1477 .7 Cu2 0 0 .25 O1 0 0 .1124 O2 0 0 .6124 O3 .5 0 .25 O4 0 .25 .25 O5 .5 .340 0