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Issue 44, 2018
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Spin-paired solvated electron couples in alkali–ammonia systems

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Abstract

Alkali metals form deep blue solutions of solvated electrons in liquid ammonia. To explain the diamagnetism of more concentrated solutions, DFT and ab initio computations have been used to show that spin-paired couples of electrons can overcome Coulomb repulsion, occupying a cavity formed by solvent molecules, comparable in size to that of single solvated electrons. Sluggish hydrogen evolution from the solutions is rationalized by a high activation barrier for reaction of the electron pair with an ammonia molecule.

Graphical abstract: Spin-paired solvated electron couples in alkali–ammonia systems

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Supplementary files

Article information


Submitted
08 Aug 2018
Accepted
17 Oct 2018
First published
17 Oct 2018

Phys. Chem. Chem. Phys., 2018,20, 27740-27744
Article type
Communication

Spin-paired solvated electron couples in alkali–ammonia systems

M. Mauksch and S. B. Tsogoeva, Phys. Chem. Chem. Phys., 2018, 20, 27740 DOI: 10.1039/C8CP05058A

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