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pmid: 12083671
The electronic structure of coumarin derivatives has been investigated by a combination of UV photoelectron spectra (UPS), semi-empirical MO calculations and comparison with the spectra of related coumarins. The influence of substituents on the S0 and S1 electronic states energies is discussed.
570, Photoelectron spectroscopy, Electronic structure, Models, Chemical, Coumarins, Spectrophotometry, Ultraviolet Rays, Coumarins; Photoelectron spectroscopy; Electronic structure, Electrons, 540
570, Photoelectron spectroscopy, Electronic structure, Models, Chemical, Coumarins, Spectrophotometry, Ultraviolet Rays, Coumarins; Photoelectron spectroscopy; Electronic structure, Electrons, 540
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 30 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |