Praseodymium_2 Formula: Pr Name: Praseodymium Unit cell: 3.6725 3.6725 11.8354 90.0 90.0 120.0 , V=138.24 Space group: P63/MMC (194)
Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Double hexagonal closest packed, dhcp, structure