Abstract
ACCORDING to Mulliken's quantum-mechanical theory the lowest state of a molecular complex A.D, where A and D stand for the electron acceptor and donor, respectively, is chiefly a non-bonding state, and the next excited state is a dative state A āāD + (ref. 1). Kainer et al. 2ā5 have considered the existence of molecular complexes where the ionic state is the lower of these two states and studied the electron spin resonance and the other properties of a number of molecular complexes which consist of aromatic diamines and quinones.
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References
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MATSUNAGA, Y., McDOWELL, C. Electron Spin Resonance Absorption of the Biradical Molecular Complex, p-Phenylenediamine-chloranil. Nature 185, 916ā917 (1960). https://doi.org/10.1038/185916a0
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DOI: https://doi.org/10.1038/185916a0
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