$^{6}Li-^{7}Li$ ISOTOPE EFFECTS IN THE $A^{1}\Sigma_{u}{^{+}}-X^{1}\Sigma_{g}{^{+}}$ BAND SYSTEM OF $Li_{2}$
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Date
1987
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Publisher
Ohio State University
Abstract
The absorption spectrum of the A-X band system of $^{6}Li_{2}$ has been examined using a Bomem DA3.002 Fourier Transform Interferometer in the frequency range of $14200-17200 cm^{-1}$. A high resolution $(0.01 cm^{-1}$) spectrum was measured at two different temperatures (600 and $830^{\circ}C$) in a heat pipe overn containing helium as a buffer gas. The spectrum was analyzed to yield Dunham coefficients and Franck-Condon factors. The molecular constants calculated for $^{6}Li_{2}$ are compared with those for $^{7}Li_{2}$.
Description
Author Institution: Department of Chemistry, The Pennsylvania State University