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Photochemical cis-trans isomerization of β-styrylferrocene

Citation

Trifunac, Natalia Pisker (1970) Photochemical cis-trans isomerization of β-styrylferrocene. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/09YE-YV13. https://resolver.caltech.edu/CaltechTHESIS:08312015-100258588

Abstract

The effect of metal atoms on photochemical transformations has been investigated by studies of the cis-trans isomerization of β-styrylferrocene.

The photostationary state lies entirely on the side of the trans isomer in the cases of direct irradiation at 3130 Å or at 3660 Å. The quantum yield at 3130 Å is 0.00650 and does not vary with concentration. In the presence of benzophenon as sensitizer the quantum yield is 0.00540. On the other hand, the quantum yield for direct irradiation at 3660 Å decreases with increasing concentration of cis β- styrylferrocene varying from 0.00365 to 0.00198.

These results lead to the suggestion that the isomerization takes place from a triplet state of β-styrylferrocene which probably has higher energy than the lowest triplet; reaction from the third triplet seems most likely.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:Chemistry
Degree Grantor:California Institute of Technology
Division:Chemistry and Chemical Engineering
Major Option:Chemistry
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Richards, John H. (advisor)
  • Gray, Harry B. (co-advisor)
Thesis Committee:
  • Unknown, Unknown
Defense Date:28 July 1969
Funders:
Funding AgencyGrant Number
CaltechUNSPECIFIED
Paint Research InstituteUNSPECIFIED
NSFUNSPECIFIED
Record Number:CaltechTHESIS:08312015-100258588
Persistent URL:https://resolver.caltech.edu/CaltechTHESIS:08312015-100258588
DOI:10.7907/09YE-YV13
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9124
Collection:CaltechTHESIS
Deposited By: Benjamin Perez
Deposited On:31 Aug 2015 17:21
Last Modified:21 Dec 2019 01:22

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