Heat Effects of the Thermal Decomposition of Amidoboranes of Potassium, Calcium, and Strontium
- Authors: Kondrat’ev Y.V.1, Butlak A.V.1, Kazakov I.V.1, Krasnova I.S.1, Chislov M.V.1, Timoshkin A.Y.1
-
Affiliations:
- Institute of Chemistry
- Issue: Vol 92, No 4 (2018)
- Pages: 640-645
- Section: Chemical Thermodynamics and Thermochemistry
- URL: https://journals.rcsi.science/0036-0244/article/view/169951
- DOI: https://doi.org/10.1134/S0036024418040143
- ID: 169951
Cite item
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.
Keywords
About the authors
Yu. V. Kondrat’ev
Institute of Chemistry
Email: timoshkn@gmail.com
Russian Federation, St. Petersburg, 198504
A. V. Butlak
Institute of Chemistry
Email: timoshkn@gmail.com
Russian Federation, St. Petersburg, 198504
I. V. Kazakov
Institute of Chemistry
Email: timoshkn@gmail.com
Russian Federation, St. Petersburg, 198504
I. S. Krasnova
Institute of Chemistry
Email: timoshkn@gmail.com
Russian Federation, St. Petersburg, 198504
M. V. Chislov
Institute of Chemistry
Email: timoshkn@gmail.com
Russian Federation, St. Petersburg, 198504
A. Yu. Timoshkin
Institute of Chemistry
Author for correspondence.
Email: timoshkn@gmail.com
Russian Federation, St. Petersburg, 198504