Abstract
MOST molecular complexes are essentially of the non-bonding type and their infra-red spectra are quite similar to the superposed spectra of the components1,2. However, the infrared, spectra of some diamine-quinone complexes and azine-quinone complexes have been found to show the pattern of the semiquinone ion instead of the quinone. Such complexes have been characterized as essentially of the dative type. Thus charge transfer molecular complexes may be classified into two groups, namely, the non-bonding type and the dative type, based on their infrared spectra. Using this method of classification, I have pointed out that most of the known complexes having resistivities of 105 ohm cm or less are of the dative type3.
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MATSUNAGA, Y. Electrical Resistivities and the Type of Bonding in Some Quinone Complexes. Nature 205, 72–73 (1965). https://doi.org/10.1038/205072a0
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DOI: https://doi.org/10.1038/205072a0
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