Chloromagnesite
Wyckoff R W G
Crystal Structures 1 (1963) 239-444
Second edition. Interscience Publishers, New York, New York
Note: cadmium chloride structure
_database_code_amcsd 0011808
3.596 3.596 17.589 90 90 120 R-3m
atom x y   z
Mg   0 0   0
Cl   0 0 .25