Ammonium Octahydrotriborate (NH4B3H8): New Synthesis, Structure, and Hydrolytic Hydrogen Release

Ammonium Octahydrotriborate (NH4B3H8): New Synthesis, Structure, and Hydrolytic Hydrogen Release

A metathesis reaction between unsolvated NaB3H8 and NH4Cl provides a simple and high-yield synthesis of NH4B3H8. Structure determination through X-ray single crystal diffraction analysis reveals weak N−Hδ+---Hδ−−B interaction in NH4B3H8 and strong N−Hδ+---Hδ−−B interaction in NH4B3H8·18-crown-6·THF...

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Veröffentlicht in:Inorganic chemistry 2011-04, Vol.50 (8), p.3738-3742
Hauptverfasser: Huang, Zhenguo, Chen, Xuenian, Yisgedu, Teshome, Meyers, Edward A, Shore, Sheldon G, Zhao, Ji-Cheng
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container_end_page 3742
container_issue 8
container_start_page 3738
container_title Inorganic chemistry
container_volume 50
creator Huang, Zhenguo
Chen, Xuenian
Yisgedu, Teshome
Meyers, Edward A
Shore, Sheldon G
Zhao, Ji-Cheng
description A metathesis reaction between unsolvated NaB3H8 and NH4Cl provides a simple and high-yield synthesis of NH4B3H8. Structure determination through X-ray single crystal diffraction analysis reveals weak N−Hδ+---Hδ−−B interaction in NH4B3H8 and strong N−Hδ+---Hδ−−B interaction in NH4B3H8·18-crown-6·THF adduct. Pyrolysis of NH4B3H8 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, NH4B3H8 releases up to 7.5 materials wt % hydrogen.
doi_str_mv 10.1021/ic2000987
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title Ammonium Octahydrotriborate (NH4B3H8): New Synthesis, Structure, and Hydrolytic Hydrogen Release
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