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1H-Pyrrole, 1-methyl-

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil386. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus216.912KN/ASteele, Chirico, et al., 1986DH
Tfus216.82KN/AGuanquan, Ott, et al., 1986Uncertainty assigned by TRC = 0.08 K; TRC
Tfus231.2KN/AMilazzo, 1941Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple216.910KN/AMesserly, Todd, et al., 1988Uncertainty assigned by TRC = 0.03 K; obs. at indicated sample purity.; TRC
Ttriple216.910KN/AMesserly, Todd, et al., 1988Uncertainty assigned by TRC = 0.02 K; calc for 100% purity; TRC
Ttriple216.87KN/AAnonymous, 1960Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Deltavap10.7 ± 0.005kcal/molVMesserly, Todd, et al., 1988ALS
Deltavap9.74 ± 0.05kcal/molVGood, 1972ALS
Deltavap9.73kcal/molN/AGood, 1972DRB

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
9.3336.A,EB,IPStephenson and Malanowski, 1987Based on data from 321. - 423. K. See also Osborn and Douslin, 1968 and Dykyj, 1972.; AC
9.1343.IEon, Pommier, et al., 1971Based on data from 333. - 373. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
333.4 - 373.55.207762030.1235.169Eon, Pommier, et al., 1971Coefficents calculated by NIST from author's data.
322.11 - 422.594.20711370.499-60.141Osborn and Douslin, 1968 

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.87017216.912Messerly, Todd, et al., 1988, 2DH
1.8702216.912Messerly, Todd, et al., 1987DH
1.87216.9Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
8.621216.912Messerly, Todd, et al., 1987DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Steele, Chirico, et al., 1986
Steele, W.V.; Chirico, R.D.; Collier, W.B.; Hossenlopp, I.A.; Nguyen, A.; Strube, M.M., Thermochemical and thermophysical properties of organic nitrogen compounds found in fossil materials, NIPER Report, 1986, 188, 112p. [all data]

Guanquan, Ott, et al., 1986
Guanquan, C.; Ott, J.B.; Goates, J.R., (Solid + liquid) Phase Equilibria and Solid-Compound Formation in Tetrachloromethane + furan, + Pyridine, and + N-methylpyrrole, J. Chem. Thermodyn., 1986, 18, 603. [all data]

Milazzo, 1941
Milazzo, G., Boll. Sci. Facolta Chim. Ind. Bologna, 1941, 94. [all data]

Messerly, Todd, et al., 1988
Messerly, J.F.; Todd, s.S.; Finke, H.L.; Good, W.D.; Gammon, B.E., Condensed-phase heat-capacity studies and derived thermodynamic properties for six cyclic nitrogen compounds, J. Chem. Thermodyn., 1988, 20, 209. [all data]

Anonymous, 1960
Anonymous, R., , Natl. Bur. Stand. (U. S.), Tech. News Bull. 44, 1960. [all data]

Good, 1972
Good, W.D., Enthalpies of combustion of nine organic nitrogen compounds related to petroleum, J. Chem. Eng. Data, 1972, 17, 28-31. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Osborn and Douslin, 1968
Osborn, Ann G.; Douslin, Donald R., Vapor pressure relations of 13 nitrogen compounds related to petroleum, J. Chem. Eng. Data, 1968, 13, 4, 534-537, https://doi.org/10.1021/je60039a024 . [all data]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Eon, Pommier, et al., 1971
Eon, C.; Pommier, C.; Guiochon, G., Vapor pressures and second virial coefficients of some five-membered heterocyclic derivatives, J. Chem. Eng. Data, 1971, 16, 4, 408-410, https://doi.org/10.1021/je60051a008 . [all data]

Messerly, Todd, et al., 1988, 2
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Good, W.D.; Gammon, B.E., Condensed-phase heat-capacity studies and derived thermodynamic properties for six cyclic nitrogen compounds, J. Chem. Thermodynam., 1988, 20, 209-224. [all data]

Messerly, Todd, et al., 1987
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Gammon, B.E., Thermodynamic properties of organic nitrogen compounds that occur in shale oil and heavy petroleum-topical report, NIPER Report, 1987, 83, 37p. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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