The role of back-bonding in the determination of classical vs. non-classical bonding in EH3+ and EH5+ minimum structures for E = C, Si and Ge

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Emma del Río, María I. Menéndez, Ramón López and Tomás L. Sordo


Abstract

A rationalization of bonding in EH3+ and EH5+ classical and non-classical most stable minimum structures is proposed for E = C, Si and Ge by means of a back-bonding interaction which when present is clearly displayed by a configuration analysis and explains the lack of bridged hydrogens in the corresponding structure.


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