An improved intermolecular potential for sulfur hexafluoride

Second virial coefficient data and viscosity were used to evaluate effective isotropic intermolecular potential functions proposed in the literature for sulfur hexafluoride. It was found that none of the potentials could predict the properties simultaneously. We have constructed a Morse–Morse–Spline...

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Veröffentlicht in:	The Journal of chemical physics 1991-01, Vol.94 (2), p.1034-1038
Hauptverfasser:	AZIZ, R. A, SLAMAN, M. J, TAYLOR, W. L, HURLY, J. J
Format:	Artikel
Sprache:	eng
Schlagworte:	400201 - Chemical & Physicochemical Properties 640302 - Atomic, Molecular & Chemical Physics- Atomic & Molecular Properties & Theory ATOMIC AND MOLECULAR PHYSICS DATA EQUATIONS EQUATIONS OF STATE EVALUATION Exact sciences and technology EXPERIMENTAL DATA FLUORIDES FLUORINE COMPOUNDS HALIDES HALOGEN COMPOUNDS INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY INTERMOLECULAR FORCES Kinetic and transport theory of gases NUMERICAL DATA Physics Physics of gases Physics of gases, plasmas and electric discharges POTENTIALS SULFUR COMPOUNDS SULFUR FLUORIDES VIRIAL EQUATION VISCOSITY
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Beschreibung
Zusammenfassung:	Second virial coefficient data and viscosity were used to evaluate effective isotropic intermolecular potential functions proposed in the literature for sulfur hexafluoride. It was found that none of the potentials could predict the properties simultaneously. We have constructed a Morse–Morse–Spline–van der Waals (MMSV) potential which satisfactorily correlates second virial coefficient and viscosity data at the same time.
ISSN:	0021-9606 1089-7690
DOI:	10.1063/1.460059