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Chemicals, plastics and rubber industries

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Spectroscopic study of phosphine-substituted oligothiophenes

Article Abstract:

The spectroscopic behavior of a series of mono-(diphenylphosphino) and bis-(diphenylphosphino) alpha-substituted oligothiophenes varying in length is described. Density functional calculations show that the contributions of the P lone pair to the highest occupied molecular orbital diminishes as the oligomer length increases.

Author: Stott, Tracey L., Wolf, Michael O.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
Spectra, Density functionals, Density functional theory, Molecular orbitals

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Excited state and ground state proton transfer rates of 3-Hydroxyflavone and its derivatives studied by Shpol'skii spectroscopy: the influence of redistribution of electron density

Article Abstract:

The mechanisms of excited-state intramolecular proton transfer (ESIPT) and ground-state back proton transfer (BPT) in 3-hydroxyflavone (3HF) at cryogenic temperatures are studied. The influence of redistribution of electron density is studied with the help of ShpolEskii spectroscopy.

Author: Bader, Arjen N., Pivovarenko, Vasyl G., Demchenko, Alexander P., Ariese, Freek, Gooijer, Cees
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
Photons

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Subjects list: Analysis, Spectrum analysis, Spectroscopy
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