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The UV absorption spectrum of C60 (buckminsterfullerene): A narrow band at 3860 Å

Heath, J. R. and Curl, R. F. and Smalley, R. E. (1987) The UV absorption spectrum of C60 (buckminsterfullerene): A narrow band at 3860 Å. Journal of Chemical Physics, 87 (7). pp. 4236-4238. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:HEAjcp87

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Abstract

The absorption spectrum of the special C60 cluster buckminsterfullerene has been studied in a supersonic beam by laser depletion of the cold van der Waals complexes of C60 with benzene and methylene chloride. Both complexes were found to display a single, isolated absorption band in the near ultraviolet superimposed on a structureless absorption continuum. For the methylene chloride complex this feature is centered at 3860 Å, and is roughly 50 cm−1 wide. In the benzene van der Waals cluster, the corresponding feature is located at 3863 Å, and has a similar width. This spectrum is tentatively assigned to the 0–0 band of the lowest 1T1u<--1Ag (LUMO+1<--HOMO) transition of a truncated icosahedral carbon shell structure, broadened by coupling to the underlying quasicontinuum of ground state vibrational levels.


Item Type:Article
Additional Information:Copyright © 1987 American Institute of Physics. Received 23 June 1987; accepted 29 July 1987. The authors would like to acknowledge stimulating discussions and encouragement from H.W. Kroto and S.C. O'Brien as well as A. Rosen who kindly sent an advance copy of his manuscript on C60 spectral predictions. This research was supported by the Robert A. Welch Foundation and the National Science Foundation. [J.R.H. was a] Robert A. Welch Predoctoral Fellow.
Subject Keywords:MOLECULAR CLUSTERS, ULTRAVIOLET SPECTRA, ABSORPTION SPECTRA, BENZENE, METHYLENE CHLORIDE, ADDUCTS, MOLECULAR BEAMS, SUPERSONIC FLOW, CARBON, ATOMIC CLUSTERS, ORGANIC COMPOUNDS
Record Number:CaltechAUTHORS:HEAjcp87
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:HEAjcp87
Alternative URL:http://dx.doi.org/10.1063/1.452879
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10757
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:06 Jun 2008
Last Modified:26 Dec 2012 10:04

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