Dynamic-coupling alkyl-polarization model for the optical activity of the 175 nm absorption band of chiral diacetylenes
摘要：
The optical activity and dipole strength of the 170–175 nm 1Σ+g→1Σ+u transition of (S)-2,2,7,8,8-pentamethyl-nona-3,5-diyne can be accounted for, to a large extent, by an independent systems approach, where the allowed diacetylene transition is coupled to environmental alkyl-group polarizabilities. A chromophore point-dipole–environmental-dipole approximation accounts for only 14% of the observed rotational strength whilst an extended chromophore multipole–dipole model substantially reproduces the experimental value.
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DOI：
10.1039/f29817700567
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年份：
1981
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1991
被引量：5
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