Published May 15, 1973
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Journal Article
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Low-temperature (4.2°K) study of the 2E1u←2E2g band system in the electronic spectra of various ferricenium compounds
Abstract
The 2E1u←2E2g (16200cm^−1) band system for the three ferricenium salts [Fe(C5H5)2]PF6,[Fe(C5H5)2]BF4, and [Fe(C5H5)2](CCl3CO2H)2(CCl3CO2−) has been studied at 4.2°K. Analysis of the observed vibrational structure indicates that the 2E1u excited state is split into two Kramers doublets, with the extent of splitting being a function of the anion. Several ferricenium 2E1u vibrational frequencies have been identified and compared with corresponding values for ground state ferrocene. It appears from these comparisons that the iron 4px and 4py orbitals are minimally involved in the iron-ring bonding.
Additional Information
© 1973 American Institute of Physics. Received 10 August 1972. Research at the California Institute of Technology was supported by the National Science Foundation. We thank Professor C.J. Balhausen, H. Johansen, and Dr. Albert Mortola for helpful comments.Attached Files
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- Eprint ID
- 13224
- Resolver ID
- CaltechAUTHORS:HENjcp73
- National Science Foundation
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