AM_Lonsdaleite
Formula: C
Name: Lonsdaleite
Unit cell: 2.52 2.52 4.12 90.0 90.0 120.0 , V=22.66
Space group: P63/MMC (194)

Bundy F P , Kasper J S , Journal of Chemical Physics , 46 (1967) p.3437-3446, Hexagonal diamond-a new form of carbon