AM_Rubidium Formula: Rb Name: Rubidium Unit cell: 5.585 5.585 5.585 90.0 90.0 90.0 , V=174.21 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 3 values