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Citation: Zhou Yalin, Liu Xiaoyun, Fan Mei ng*. PHOTOCHEMISTRY OF HETEROCYCLES Ⅲ. INVESTIGATION OF ELECTRON SPECTROSCOPY OF NUCLEIC ACID BASES AND ITS DERIVATIVES[J]. Acta Physico-Chimica Sinica, ;1988, 4(05): 511-515. doi: 10.3866/PKU.WHXB19880514 shu

PHOTOCHEMISTRY OF HETEROCYCLES Ⅲ. INVESTIGATION OF ELECTRON SPECTROSCOPY OF NUCLEIC ACID BASES AND ITS DERIVATIVES

1.
Institute of Photographic Chemistry; Academia Sinica; Beijing

Received Date: 4 March 1987
Available Online: 15 October 1988

Absorption, Fluorescence and Phosphorescence Spectra of uracil, 1,3-dimethyl uracil, thymine, 1,3-dimethylthymine, 6-aza-uracil, 1,3-dimethyl-6-aza-uracil, 6-aza-thymine, 1,3-dimethy-6-aza-thymine, guanine and 8-aza-guanine were determined. Relationship of molecular structure with photophysics and excited state was discussed.
The conclusion is that the singlet state of these compounds is neither pure ~1(n, π~*) nor pure ~1(π, π~*). It is suitable when the mixing state was used to describe the singlet state of the compounds.
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