Abstract
Thermal effects of the decomposition of potassium, calcium, and strontium amidoboranes at 354, 421, and 483 K are determined via drop calorimetry. The processes of decomposition are weakly exothermic and accompanied by the evolution of hydrogen. Upon the decomposition of calcium amidoborane at 421 K, a prolonged exothermic process is first observed; it is then followed by an endothermic effect, due possibly to the slow structural rearrangement of the product of decomposition. The solid products of decomposition are characterized by solid-state 11В NMR, FTIR spectroscopy, and mass spectrometry.
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Original Russian Text © Yu.V. Kondrat’ev, A.V. Butlak, I.V. Kazakov, I.S. Krasnova, M.V. Chislov, A.Yu. Timoshkin, 2018, published in Zhurnal Fizicheskoi Khimii, 2018, Vol. 92, No. 4, pp. 533–539.
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Kondrat’ev, Y.V., Butlak, A.V., Kazakov, I.V. et al. Heat Effects of the Thermal Decomposition of Amidoboranes of Potassium, Calcium, and Strontium. Russ. J. Phys. Chem. 92, 640–645 (2018). https://doi.org/10.1134/S0036024418040143
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DOI: https://doi.org/10.1134/S0036024418040143