Hg(Cl,Br)2 Wyckoff R W G Crystal Structures 1 (1963) 308-309 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011893 4.10 13.17 6.78 90 90 90 P2_12_12_1 atom x y z occ Hg .056 .372 .086 Cl1 .418 .500 .000 .5 Br1 .418 .500 .000 .5 Cl2 .805 .728 .833 .5 Br2 .805 .728 .833 .5