On the determination of the equilibrium structure of the PH<sub>3</sub> molecule

Abstract

Values of the r_e and α_e equilibrium structural parameters of the PH₃ molecule have been determined on the basis of experimental data on the fundamental bands of the PH₂D and PHD₂ species only, without any knowledge of the force-constant-type parameters of the PH₃ molecule. The functions of the equilibrium rotational parameters A^e, B^e, and C^e have been determined. These functions are totally independent of the values of any resonance interaction parameters. Then these functions have been used to determine r_e and α_e constants. The obtained values r_e = (1.416 776 ± 0.000 164) Å and α_e = (93.56 ± 0.29)° differ a little from those found in the earlier literature.

Original language	English
Pages (from-to)	252-258
Number of pages	7
Journal	Journal of Molecular Spectroscopy
Volume	216
Issue number	2
DOIs	https://doi.org/10.1006/jmsp.2002.8614
Publication status	Published - 1 Jan 2002

Keywords

PHmolecule
Spectroscopic parameters
Structural parameters
Vibration-rotation spectra

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry

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10.1006/jmsp.2002.8614

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Ulenikov, O. N., Bekhtereva, E. S., Onopenko, G. A., & Sinitsin, E. A. (2002). On the determination of the equilibrium structure of the PH₃ molecule. Journal of Molecular Spectroscopy, 216(2), 252-258. https://doi.org/10.1006/jmsp.2002.8614

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title = "On the determination of the equilibrium structure of the PH3 molecule",

abstract = "Values of the re and αe equilibrium structural parameters of the PH3 molecule have been determined on the basis of experimental data on the fundamental bands of the PH2D and PHD2 species only, without any knowledge of the force-constant-type parameters of the PH3 molecule. The functions of the equilibrium rotational parameters Ae, Be, and Ce have been determined. These functions are totally independent of the values of any resonance interaction parameters. Then these functions have been used to determine re and αe constants. The obtained values re = (1.416 776 ± 0.000 164) {\AA} and αe = (93.56 ± 0.29)° differ a little from those found in the earlier literature.",

keywords = "PHmolecule, Spectroscopic parameters, Structural parameters, Vibration-rotation spectra",

author = "Ulenikov, {O. N.} and Bekhtereva, {E. S.} and Onopenko, {G. A.} and Sinitsin, {E. A.}",

year = "2002",

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language = "English",

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T1 - On the determination of the equilibrium structure of the PH3 molecule

AU - Ulenikov, O. N.

AU - Bekhtereva, E. S.

AU - Onopenko, G. A.

AU - Sinitsin, E. A.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - Values of the re and αe equilibrium structural parameters of the PH3 molecule have been determined on the basis of experimental data on the fundamental bands of the PH2D and PHD2 species only, without any knowledge of the force-constant-type parameters of the PH3 molecule. The functions of the equilibrium rotational parameters Ae, Be, and Ce have been determined. These functions are totally independent of the values of any resonance interaction parameters. Then these functions have been used to determine re and αe constants. The obtained values re = (1.416 776 ± 0.000 164) Å and αe = (93.56 ± 0.29)° differ a little from those found in the earlier literature.

AB - Values of the re and αe equilibrium structural parameters of the PH3 molecule have been determined on the basis of experimental data on the fundamental bands of the PH2D and PHD2 species only, without any knowledge of the force-constant-type parameters of the PH3 molecule. The functions of the equilibrium rotational parameters Ae, Be, and Ce have been determined. These functions are totally independent of the values of any resonance interaction parameters. Then these functions have been used to determine re and αe constants. The obtained values re = (1.416 776 ± 0.000 164) Å and αe = (93.56 ± 0.29)° differ a little from those found in the earlier literature.

KW - PHmolecule

KW - Spectroscopic parameters

KW - Structural parameters

KW - Vibration-rotation spectra

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