Calcium
Wyckoff R W G
Crystal Structures 1 (1963) 7-83
Second edition. Interscience Publishers, New York, New York
Cubic closest packed, ccp, structure
_database_code_amcsd 0011141
5.576 5.576 5.576 90 90 90 Fm3m
atom  x  y  z
Ca    0  0  0