Measurement of the dipole moments of seven partially fluorinated hydrocarbons with a radiofrequency reentrant cavity resonator

Journal Article · Thu May 01 04:00:00 EDT 1997 · International Journal of Thermophysics

DOI:https://doi.org/10.1007/BF02575134· OSTI ID:669897

Goodwin, A R.H. ^[1]; Mehl, J B ^[2]

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1. National Inst. of Standards and Technology, Gaithersburg, MD (United States). Physical and Chemical Properties Div.
2. National Inst. of Standards and technology, Gaithersburg, MD (United States). Physical and Chemical Properties Div.

Equilibrium dipole moments of gaseous pentafluorodimethyl ether (HFE-125), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,2,2,3-pentafluoropropane (HFC-245ea), 1,1,1,2,2-pentafluoropropane (HFC-245fa), and 1,1,1,2,2,3,3,4-octafluorobutane (HFC-338mccq) were obtained from the resonance frequency of a reentrant cavity at temperatures between 250 and 373 K. The electronic contributions to the polarization were determined for each fluid from liquid-phase optical index of refraction measurements at 297 K.

• Sponsoring Organization: USDOE
• DOE Contract Number: AI05-88ER13823
• OSTI ID: 669897
• Journal Information: International Journal of Thermophysics, Journal Name: International Journal of Thermophysics Journal Issue: 3 Vol. 18; ISSN 0195-928X; ISSN IJTHDY
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
DIELECTRIC PROPERTIES
DIPOLE MOMENTS
FLUORINATED ALIPHATIC HYDROCARBONS
REFRIGERANTS
TEMPERATURE RANGE 0273-0400 K