ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
The emission spectrum of VF has been investigated in the 3400–17 000 cm−1 region using a Fourier transform spectrometer. The bands were excited in a high temperature carbon tube furnace from the reaction of vanadium metal vapor with CF4, as well as in a microwave discharge through a flowing mixture of VF4 vapor and helium. Several bands observed in the 9000–12 000 cm−1 region have been attributed to VF. The bands with high wave number R heads near 9156.8, 9816.4, 10 481.4, 11 035.8, and 11 587.2 cm−1 have been assigned as the 0-2, 0-1, 0-0, 1-0, and 2-0 bands, respectively, of the new [10.5]5Δ–X5Δ system of VF. A rotational analysis of the 5Δ1–5Δ1, 5Δ2–5Δ2, 5Δ3–5Δ3, and 5Δ4–5Δ4 subbands of the 0-1, 0-0, 1-0, and 2-0 bands has been carried out and spectroscopic parameters for VF have been obtained for the first time. The following equilibrium constants have been determined for the ground state of VF by averaging the constants of the different spin components: ΔG(1/2)=665.10 cm−1, Be=0.3863 cm−1, αe=0.0028 cm−1, and re=1.7758 Å. © 2002 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1464831
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