Osmium Formula: Os Name: Osmium Unit cell: 2.7352 2.7352 4.319 90.0 90.0 120.0 , V=27.98 Space group: P63/MMC (194)
Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Hexagonal closest packed, hcp, structure