title: Ammonium octahydrotriborate (NH4B3H8): new synthesis, structure, and hydrolytic hydrogen release.
abstract: A metathesis reaction between unsolvated NaB(3)H(8) and NH(4)Cl provides a simple and high-yield synthesis of NH(4)B(3)H(8). Structure determination through X-ray single crystal diffraction analysis reveals weak N-H(δ+)---H(δ-)-B interaction in NH(4)B(3)H(8) and strong N-H(δ+)---H(δ-)-B interaction in NH(4)B(3)H(8)·18-crown-6·THF adduct. Pyrolysis of NH(4)B(3)H(8) leads to the formation of hydrogen gas with appreciable amounts of other volatile boranes below 160 °C. Hydrolysis experiments show that upon addition of catalysts, NH(4)B(3)H(8) releases up to 7.5 materials wt % hydrogen.
authors.affiliation: Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
authors.forename: Zhenguo
authors.initials: Z
authors.lastname: Huang
authors.forename: Xuenian
authors.initials: X
authors.lastname: Chen
authors.forename: Teshome
authors.initials: T
authors.lastname: Yisgedu
authors.forename: Edward A
authors.initials: EA
authors.lastname: Meyers
authors.forename: Sheldon G
authors.initials: SG
authors.lastname: Shore
authors.forename: Ji-Cheng
authors.initials: JC
authors.lastname: Zhao