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Triplet-triplet energy transfer from aromatic to saturated compounds

✍ Scribed by V.A. Smirnov; V.B. Nazarov; V.I. Gerko; M.V. Alfimov

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
276 KB
Volume
34
Category
Article
ISSN
0009-2614

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✦ Synopsis

Enerm transfer from the upper triplet states of aromatic compounds to saturated compounds at 77 K has been inves-@ted.

Positions of triplet states of saturated molecules have been estimated in the ranges: 47800-48450 cm-' for methylcyclohexane, ethylcyclohexane, ethanol and ether, 47320-47800 cm -t for isopropylcyclohexane and tran~deulin, and 48450-50000 cm-1 for isooctane.

The radius of the energy transfer sphere for biphenylAIO and t~~ns-dec&in is found to be 5.1 A. It is assumed that energy transfer occurs faster than vibrational relaxa'ton.

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## Abstract The excited electronic states of 2, 2‐dimethylisoindene (1) have been studied by electron‐energy‐loss spectroscopy. Its vertical gas‐phase triplet (1^3^B~2~), and singlet (1^1^B~2~) excitation energies are 1.61 and 3.19 eV, respectively. The excited states are thus lowered by 0.49 eV an