Lanthanum_2 Formula: La Name: Lanthanum Unit cell: 3.77 3.77 12.159 90.0 90.0 120.0 , V=149.66 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