Journal Article10.1063/1.1743809
Infrared and Raman Spectra of Phosphorus Pentachloride
J. K. Wilmshurst,H. J. Bernstein +1 more
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TL;DR: In this article, the Raman spectrum of a solution of PCl5 in benzene has been obtained photoelectrically together with depolarization ratios, and a complete vibrational assignment has been made on the basis of D3h symmetry.
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Abstract: The infrared spectrum of PCl5 in the vapor state and as a solution in CS2 has been obtained. The Raman spectrum of a solution of PCl5 in benzene has been obtained photoelectrically together with depolarization ratios. A complete vibrational assignment has been made on the basis of D3h symmetry, and force constants have been calculated. Thermodynamic functions have been computed from the assigned fundamentals and used to interpret the equilibrium of the reaction PCl3(g)+Cl2(g)=PCl5(g) giving ΔE00=—20 525±160 cal mole—1.
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Citations
Correlation of Rates of Intramolecular Tunneling Processes, with Application to Some Group V Compounds
TL;DR: In this paper, the WKB expression for tunneling frequencies permits correlation of these frequencies for members of homologous series of molecules, and the necessary data required are the tunneling rate for one member of the series, and structural parameters and vibrational frequencies for all members of interest.
Direct Nucleophilic Difluoromethylation of Carbonyl Compounds
TL;DR: Mechanistic investigation reveals that the unexpected transformation proceeded via the direct transfer of the CF2H group, which resulted from the high P-O affinity.
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A new intensity equation for electron diffraction analysis: A barrier to pseudorotation in PF5 from diffraction data
TL;DR: Using the cumulant expansion for the statistical average of the exponent, the molecular intensity of scattered electrons is expressed in terms of the equilibrium internuclear distances and moments of the displacements of internuclear distance as mentioned in this paper.
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Vibrational spectra of inorganic molecules Part I. antimony pentachloride, antimony trichloride, zirconium tetrachloride, and ferric chloride
TL;DR: In this paper, the infrared spectra of SbCl5 and FeCl3 vapors from 700-190 cm−1, ZrCl4 vapor from 1000-190cm−1 and sbCl3 vapor from 420 −190 cm −1 have been obtained and assignments made.
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References
A Relation Between Internuclear Distances and Bond Force Constants
TL;DR: The relation between the bond force constant, k0, and the internuclear distance, re, is quite accurately given by the expression k0(re-dij)^3 = 1.86×10^5, where dij is a constant depending only on the rows in the periodic table in which the two elements comprising the molecule are located.
A Simple Method for Determining the Polarization of Raman Lines
John T. Edsall,E. Bright Wilson +1 more
TL;DR: In this paper, a simple method for determining qualitatively the polarization of Raman lines is described, where the incident light is polarized by means of a polaroid, and experimental data on acetic acid, acetone and ethanol are presented.
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Empirical Convergence Correction of Depolarization Measurements
D. H. Rank,R. E. Kagarise +1 more
TL;DR: A spiral mercury arc light source of the low pressure variety and 2-kilowatt power dissipation is described in this paper, where the use of this powerful but geometrically undesirable arrangement for making depolarization measurements is investigated.
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