Non-covalent structures of negative ions in dissociative electron capture spectra

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Abstract

Over the last ten years, a few examples of so-called non-covalent structures of negative ions have been found, the geometry of which differs significantly from the geometry of the original molecules. In particular, the lengths of carbon-halogen bonds reach 2.7–3 Å, and the halogen atom itself can circle the hydrocarbon skeleton of the anion, the so-called roaming effect. Such non-covalent structures can have a significantly higher electron affinity than the original molecules.

About the authors

N. L. Asfandiarov

Institute of Molecule and Crystal Physics, Ufa Federal Research Centre of the Russian Academy of Sciences

Email: nail@anrb.ru
Ufa, 450075 Russia

M. V. Muftakhov

Institute of Molecule and Crystal Physics, Ufa Federal Research Centre of the Russian Academy of Sciences

Ufa, 450075 Russia

R. G. Rakhmeyev

Institute of Molecule and Crystal Physics, Ufa Federal Research Centre of the Russian Academy of Sciences

Ufa, 450075 Russia

S. A. Pshenichnyuk

Institute of Molecule and Crystal Physics, Ufa Federal Research Centre of the Russian Academy of Sciences

Ufa, 450075 Russia

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