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Amidoboranes of rubidium and caesium: the last missing members of the alkali metal amidoborane family

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Abstract

We report the synthesis and physicochemical characterization of two ammonia borane derivatives: rubidium amidoborane (RbNH2BH3) and caesium amidoborane (CsNH2BH3). Both compounds undergo solid–solid phase transition upon heating and then evolve pure hydrogen at temperatures lower than 125 °C. The phase transition is clearly seen in the Raman spectra. We present crystal structures of both low- and high-temperature forms of the title compounds which were solved from powder X-ray data.

Graphical abstract: Amidoboranes of rubidium and caesium: the last missing members of the alkali metal amidoborane family

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Publication details

The article was received on 23 Sep 2017, accepted on 30 Oct 2017 and first published on 30 Oct 2017


Article type: Paper
DOI: 10.1039/C7DT03590J
Citation: Dalton Trans., 2017, Advance Article
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    Amidoboranes of rubidium and caesium: the last missing members of the alkali metal amidoborane family

    R. Owarzany, T. Jaroń, P. J. Leszczyński, K. J. Fijalkowski and W. Grochala, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT03590J

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