Diode-Laser Absorption Spectroscopy of Supersonic Carbon Cluster Beams: The ν 3 Spectrum of C5

Details Diode-Laser Absorption Spectroscopy of Supersonic Carbon Cluster Beams: The ν 3 Spectrum of C5 Diode-Laser Absorption Spectroscopy of Supersonic Carbon Cluster Beams: The ν 3 Spectrum of C5

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989sci...244..564h&link_type=abstract

Science, Volume 244, Issue 4904, pp. 564-566

Computer Science

54

Scientific paper

A new spectroscopic experiment has been developed in which rovibrational transitions of supersonically cooled carbon clusters, which were produced by laser vaporization of graphite, have been measured by direct-absorption diode-laser spectroscopy. Thirty-six sequential rovibrational lines of the ν 3 band of the C5 carbon cluster have been measured with Doppler-limited resolution. The absorption spectrum is characteristic of a linear molecule with a center of symmetry. Least-squares analysis of the spectrum indicates an effective carbon-carbon bond length of 1.283 angstroms, in good agreement with ab initio quantum chemical calculations. This work confirms the detection of C5 in IRC+10216 reported in the accompanying paper.

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