VIBRATIONAL POTENTIAL FUNCTIONS AND ASSIGNMENTS FOR $C_{2}F_{4}$, $C_{2}Cl_{4}$, AND $C_{2}Br_{4}^{*}$
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Date
1955
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Publisher
Ohio State University
Abstract
A modified Urey-Bradley type of force field has been used as the basis for the determination of satisfactory and consistent potential constants for $C_{2}F_{4}$, $C_{2}Cl_{4}$, and $C_{2}Br_{4}$. These force constants were obtained by the joint application of least-squares and high-speed digital computation methods. The frequency fit for these three molecules is generally quite good. In the course of this work it became possible to revise existing assignments for $C_{2}Cl_{4}$, and $C_{2}Br_{4}$, and to adduce evidence which strongly suggests that all the fundamentals have now been correctly located.
Description
$^{*}$This work was supported in part by the Office of Navel Research.
Author Institution: National Bureau of Standards
Author Institution: National Bureau of Standards