Concepedia

The Lowest Singlet and Triplet States of the Oxyallyl Diradical

Takatoshi Ichino, Stephanie M. Villano, Adam J. Gianola, Daniel J. Goebbert, Luis Velarde, Andrei Sanov, Stephen J. Blanksby, Xin Zhou, David A. Hrovat, Weston Thatcher Borden,

Angewandte Chemie International Edition · 2009 · 78 citations · 37 references

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Abstract

Small S–T splitting: The photoelectron spectrum of the oxyallyl radical anion (see picture) reveals that the electronic ground state of oxyallyl is singlet, and the lowest triplet state is separated from the singlet state by only (55±2) meV in adiabatic energy.

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