Cl4 H2 Hg K2 O MacGillavry C, de Wilde J, Bijvoet J Zeitschrift fur Kristallographie 100 (1938) 212-220 The crystal structure of K2 Hg Cl4 * H2 O _cod_database_code 1011331 _database_code_amcsd 0018173 8.27 11.63 8.89 90 90 90 Pbam atom x y z Hg1 0 0 .228 Cl1 .211 .072 0 Cl2 .228 .067 .5 Cl3 -.117 .189 .256 K1 .072 .342 0 K2 .106 .308 .5 O1 0 .5 .25 H1 .09 .525 .289