volume 41 issue 3 pages 863-876

Molecular Structures of PCl4F, PCl3F2, PCl2F3, and PF5: Infrared and Low‐Temperature Raman Vibrational Spectra

James E. Griffiths 1
RICHARD P. CARTER 1
Robert R. Holmes 1
1
 
BELL TELEPHONE LABORATORIES, INCORPORATED, MURRAY HILL, NEW JERSEY
Publication typeJournal Article
Publication date1964-08-01
scimago Q1
wos Q2
SJR0.819
CiteScore5.3
Impact factor3.1
ISSN00219606, 10897690
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract

Molecular structures of PCl4F, PCl3F2, PCl2F3, and PF5 are derived from vapor-state infrared spectra (2000–250 cm—1) and low-temperature liquid-state Raman displacements (Δν=50–1200 cm—1) together with qualitative polarization measurements. All of the compounds appear to have a basic trigonal bipyramidal framework.

The spectra of PCl4F are best interpreted in terms of a C3v structure in which the fluorine atom occupies an axial site; in PCl3F2 (D3h point group) the fluorine atoms also assume axial positions. For PCl2F3, the symmetrical D3h structure is shown to be incorrect. Available evidence supports the C2v structure in which the fluorine atoms appear in one equatorial and two axial sites. Phosphorus pentafluoride is found to have a regular trigonal bipyramidal structure.

Complete vibrational assignments are made in terms of the normal modes and thermodynamic functions are evaluated for PCl5, PCl3F2, and PF5.

Found 
Found 

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Griffiths J. E., CARTER R. P., Holmes R. R. Molecular Structures of PCl4F, PCl3F2, PCl2F3, and PF5: Infrared and Low‐Temperature Raman Vibrational Spectra // Journal of Chemical Physics. 1964. Vol. 41. No. 3. pp. 863-876.
GOST all authors (up to 50) Copy
Griffiths J. E., CARTER R. P., Holmes R. R. Molecular Structures of PCl4F, PCl3F2, PCl2F3, and PF5: Infrared and Low‐Temperature Raman Vibrational Spectra // Journal of Chemical Physics. 1964. Vol. 41. No. 3. pp. 863-876.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1063/1.1725974
UR - https://doi.org/10.1063/1.1725974
TI - Molecular Structures of PCl4F, PCl3F2, PCl2F3, and PF5: Infrared and Low‐Temperature Raman Vibrational Spectra
T2 - Journal of Chemical Physics
AU - Griffiths, James E.
AU - CARTER, RICHARD P.
AU - Holmes, Robert R.
PY - 1964
DA - 1964/08/01
PB - AIP Publishing
SP - 863-876
IS - 3
VL - 41
SN - 0021-9606
SN - 1089-7690
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{1964_Griffiths,
author = {James E. Griffiths and RICHARD P. CARTER and Robert R. Holmes},
title = {Molecular Structures of PCl4F, PCl3F2, PCl2F3, and PF5: Infrared and Low‐Temperature Raman Vibrational Spectra},
journal = {Journal of Chemical Physics},
year = {1964},
volume = {41},
publisher = {AIP Publishing},
month = {aug},
url = {https://doi.org/10.1063/1.1725974},
number = {3},
pages = {863--876},
doi = {10.1063/1.1725974}
}
MLA
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Griffiths, James E., et al. “Molecular Structures of PCl4F, PCl3F2, PCl2F3, and PF5: Infrared and Low‐Temperature Raman Vibrational Spectra.” Journal of Chemical Physics, vol. 41, no. 3, Aug. 1964, pp. 863-876. https://doi.org/10.1063/1.1725974.