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

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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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Publication details

The article was received on 08 Aug 2018, accepted on 17 Oct 2018 and first published on 17 Oct 2018

Article type: Communication
DOI: 10.1039/C8CP05058A
Citation: Phys. Chem. Chem. Phys., 2018,20, 27740-27744

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    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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