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Trimethylamine, compd. with borane (1:1)

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple368.70KN/AFinke, Todd, et al., 1970Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
136. - 194.34.33875826.224-19.27Burg and Schlesinger, 1937Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
57.0311.AStephenson and Malanowski, 1987Based on data from 296. - 367. K. See also Burg and Schlesinger, 1937.; AC
56.9 ± 0.8273. - 363.MEAlton, Brown, et al., 1959AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
2.535350.1crystaline, IIIcrystaline, IIFinke, Todd, et al., 1970, 2DH
0.594360.4crystaline, IIcrystaline, IFinke, Todd, et al., 1970, 2DH
4.9472368.70crystaline, IliquidFinke, Todd, et al., 1970, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
7.24350.1crystaline, IIIcrystaline, IIFinke, Todd, et al., 1970, 2DH
16.48360.4crystaline, IIcrystaline, IFinke, Todd, et al., 1970, 2DH
13.42368.70crystaline, IliquidFinke, Todd, et al., 1970, 2DH

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

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

Finke, Todd, et al., 1970
Finke, H.L.; Todd, S.S.; Messerly, J.F., Trimethylamineborane and Triethylamineborane: Low-temperature Thermodynamic Properties, J. Chem. Thermodyn., 1970, 2, 129. [all data]

Burg and Schlesinger, 1937
Burg, Anton B.; Schlesinger, H.I., Hydrides of Boron. VII. Evidence of the Transitory Existence of Borine (BH 3 ): Borine Carbonyl and Borine Trimethylammine, J. Am. Chem. Soc., 1937, 59, 5, 780-787, https://doi.org/10.1021/ja01284a002 . [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]

Alton, Brown, et al., 1959
Alton, E.R.; Brown, R.D.; Carter, J.C.; Taylor, R.C., Vapor Pressures of the Methylamine-Boranes and Ammonia-Triborane 1, J. Am. Chem. Soc., 1959, 81, 14, 3550-3551, https://doi.org/10.1021/ja01523a016 . [all data]

Finke, Todd, et al., 1970, 2
Finke, H.L.; Todd, S.S.; Messerly, J.F., Trimethylamineborane and triethylamineborane: low-temperature thermodynamic properties, J. Chem. Thermodynam., 1970, 2, 129-138. [all data]


Notes

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