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Section: 6 | Virial Coefficients of Selected Gases |
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The recommended form of citation is:
John R. Rumble, ed., CRC Handbook of Chemistry and Physics, 103rd Edition (Internet Version 2022), CRC Press/Taylor & Francis, Boca Raton, FL.
If a specific table is cited, use the format: "Physical Constants of Organic Compounds," in CRC Handbook of Chemistry and Physics, 103rd Edition (Internet Version 2022), John R. Rumble, ed., CRC Press/Taylor & Francis, Boca Raton, FL.

VIRIAL COEFFICIENTS OF SELECTED GASES

Henry V. Kehiaian

This table gives second virial coefficients of about 110 inorganic and organic gases as a function of temperature. Selected data from the literature have been fitted by least squares to the equation

B/cm3mol−1=∑i=1na(i)[(T0/T)−1]i−1

where T0 = 298.15 K. The table gives the minimum and maximum temperatures for which the equation is valid as well the the value of the second virial coefficient B at those temperatures. Column definitions for the table are as follows.

Column heading Definition
Name Compound name; listed alphabetically
Mol. form. Molecular formula
Tmin Minimum temperature for which equation above is valid, in K
BTmin Value of second virial coefficient B at Tmin, in units cm3 mol-1
Tmax Maximum temperature for which equation above is valid, in K
BTmax Value of second virial coefficient B at Tmax, in units cm3 mol-1
a(1) First coefficient of smoothing equation
a(2) Second coefficient of smoothing equation
a(3) Third coefficient of smoothing equation
a(4) Fourth coefficient of smoothing equation, when needed
a(5) Fifth coefficient of smoothing equation, when needed

The smoothing equation may be used with the tabulated coefficients for interpolation within the indicated temperature range. It should not be used for extrapolation beyond this range. A useful compilation of virial coefficient data from the literature may be found in the reference. 

Reference

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Virial Coefficients and Coefficients in the Equation Describing Their Temperature Dependence



NameMol. form.Tmin/KBTmin/cm3 mol-1Tmax/KBTmax/cm3 mol-1a(1)a(2)a(3)a(4)a(5)
Continued on next page...
AcetaldehydeCH3CHO290-1352470-283-1217-4647-5725
Acetone(CH3)2CO300-1996480-375-2051-8903-18056-16448
AcetonitrileCH3CN330-3468410-1425-5840-29175-47611
AcetyleneHC≡CH200-573270-263-216-375-716
AmmoniaNH3290-302420-101-271-1022-2715-4189
ArgonAr100-184100022-16-60-9.7-1.5
BenzeneC6H6290-1588600-291-1477-3851-3683-1423
Boron trifluorideBF3200-338440-23-106-330-251-80
BromomethaneCH3Br280-645380-274-559-1324
ButaneC4H10250-1170550-171-735-1835-1922-1330
1-ButanolC4H9OH350-1693440-593-2629-6315
2-ButanolC4H10O380-1110420-721-2232-5209
2-ButanoneC4H8O310-2056370-1135-2282-5907
1-ButeneC4H8300-624420-294-633-1442-932
Carbon dioxideCO2220-244110019-127-288-118
Carbon disulfideCS2280-932430-375-807-1829-1371
Carbon monoxideCO210-3648011-9-58-18
ChlorineCl2210-508900-12-303-555932968
1-ChlorobutaneC4H9Cl330-1224570-309-1643-4897-6178-3718


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