A method for producing M.sub.nB.sub.12H.sub.12, wherein M is a metal or ammonium cation and n is one or two, by combining a metal borohydride and XBH.sub.3; wherein X is a substituted amine; a substituted phosphine; or tetrahydrofuran.
This application claims the benefit of priority under 35 U.S.C. .sctn.119(e) of U.S. Provisional Patent Application No. 61/001,868 filed on Nov.5, 2007.