HgCl2 Wyckoff R W G Crystal Structures 1 (1963) 306-307 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011891 4.325 12.735 5.963 90 90 90 Pbnm atom x y z Hg .050 .126 .25 Cl1 .406 .255 .25 Cl2 .806 .496 .25