Citation: Henrik Fahlquist; Dag Nor\'eus; Samantha Callear; William I. F. David; Bj\"orn C. Hauback (2011). Two New Cluster Ions, Ga[GaH3]45- with a Neopentane Structure in Rb8Ga5H15 and [GaH2]nn- with a Polyethylene Structure in Rbn(GaH2)n, Represent a New Class of Compounds with Direct Ga-Ga Bonds Mimicking Common Hydrocarbons. Journal of the American Chemical Society, 133, pp. 14574-14577.