Fourier transform emission spectroscopy of the copper dimer

Details Fourier transform emission spectroscopy of the copper dimer Fourier transform emission spectroscopy of the copper dimer

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jmosp.156..468r&link_type=abstract

Journal of Molecular Spectroscopy, Volume 156, Issue 2, p. 468-486.

Physics

21

Scientific paper

The emission spectrum of gas-phase Cu2 has been observed using a Fourier transform spectrometer. The molecule was produced in a Cu hollow cathode lamp operated with a flow of neon gas. The rotational structure of five bands (2-0, 1-0, 0-0, 0-1, 0-2, and 1-3) belonging to the B1Σu+-X1Σg+ system of 63Cu2, and 63Cu65Cu was analyzed, providing improved molecular constants. The equilibrium molecular constants for the X1Σg+ state extracted from the observed data are ωe = 266.4594(29) cm-1, ωexe = 1.0350(16) cm-1, and re = 2.21927(3) Å, while the corresponding values for the B1Σu+ state are ωe = 246.3170(24) cm-1, ωexe = 2.2310(8) cm-1, and re = 2.32811(3) Å. There is evidence for a systematic global perturbation in the excited B1Σu+ state.
Also: Department of Chemistry, University of Waterloo, Ontario, Canada N2L 3G1.

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