Calomel
Havighurst R
American Journal of Science 10 (1925) 15-28
Crystal structure of the mercurous halides
_cod_database_code 1011069
_database_code_amcsd 0017968
4.47 4.47 10.89 90 90 90 I4/mmm
atom x y   z
Hg1  0 0 .11
Cl1  0 0 .36