AM_Sodium_1 Formula: Na Name: Sodium Unit cell: 4.225 4.225 4.225 90.0 90.0 90.0 , V=75.42 Space group: IM3M (229)

Barrett C S , Acta Crystallographica , 9 (1956) p.671-677, X-ray study of the alkali metals at low temperatures, Locality: synthetic, Sample: at T = 5 K, Note: lattice parameters are average of 5 values