AM_Fluorine_1 Formula: F Name: Fluorine Unit cell: 6.67 6.67 6.67 90.0 90.0 90.0 , V=296.74 Space group: PM3N (223)

Jordan T H , Streib W E , Lipscomb W N , Journal of Chemical Physics , 41 (1964) p.760-764, Single-crystal X-ray diffraction study of beta-fluorine, Locality: synthetic, Note: beta phase, stable between T = 45.55 K & 53.54 K