An INDO/S study of the second ππ* transition in the spectra of 1,4-diaminoanthraquinones responsible for their green hue

Add time:09/24/2019    Source:sciencedirect.com

The INDO/S approach is used to study the structure/spectra relationship for some N,N′-disubstituted 1,4-diaminoanthraquinones. The calculated intensity and position of the short-wavelength absorption band depend on the molecular conformation, in agreement with the experimental data. The reflection spectra of crystalline 1,4-bisanilinoanthraquinone and 1,4-bis(mesitylamino)anthraquinone are reported and the crystal structure of the latter compound has been determined.

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