Triethylenediamine

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Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas90.4 ± 6.7kJ/molCcrRapport, Westrum, et al., 1971Author was aware that data differs from previously reported values; ALS
Δfgas48.0kJ/molN/AParris, Raybin, et al., 1964Value computed using ΔfHsolid° value of -14.2±8.4 kj/mol from Parris, Raybin, et al., 1964 and ΔsubH° value of 62.2 kj/mol from Rapport, Westrum, et al., 1971.; DRB

Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid28.2 ± 3.7kJ/molCcrRapport, Westrum, et al., 1971Author was aware that data differs from previously reported values; ALS
Δfsolid-14.2 ± 8.4kJ/molCcbParris, Raybin, et al., 1964Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -13. ± 9.2 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Δcsolid-4104.3 ± 3.6kJ/molCcrRapport, Westrum, et al., 1971Author was aware that data differs from previously reported values; ALS
Δcsolid-4062. ± 8.4kJ/molCcbParris, Raybin, et al., 1964ALS
Quantity Value Units Method Reference Comment
solid,1 bar157.61J/mol*KN/AWestrum, 1961DH
solid,1 bar157.61J/mol*KN/AChang and Westrum, 1960DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
153.97300.Trowbridge and Westrum, 1963crystaline, II phase; T = 300 to 450 K.; DH
153.18298.15Westrum, 1961T = 5 to 350 K. Only value at 298.15 K given.; DH
152.97298.15Chang and Westrum, 1960T = 5 to 353 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes

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, Chris Muzny director
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil447.15KN/AFarkas, Mills, et al., 1959Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Tfus431.15KN/AFarkas, Mills, et al., 1959Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple432.99KN/ATrowbridge and Westrum, 1963, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δsub62.2kJ/molN/ARapport, Westrum, et al., 1971DRB
Δsub61.9kJ/molVWada, Kishida, et al., 1960ALS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
54.4348.Bondi, 1963Based on data from 323. to 373. K.; AC
61.9 ± 3.3338.Wada, Kishida, et al., 1960, 2Based on data from 324. to 351. K. See also Cox and Pilcher, 1970.; AC
52.3 ± 3.3361.Wada, Kishida, et al., 1960, 2Based on data from 353. to 369. K. See also Cox and Pilcher, 1970.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
7.45433.Domalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
10.560351.08crystaline, IIcrystaline, ITrowbridge and Westrum, 1963Transformation to plastic crystalline phase.; DH
7.431432.99crystaline, IliquidTrowbridge and Westrum, 1963DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
30.08351.08crystaline, IIcrystaline, ITrowbridge and Westrum, 1963Transformation; DH
17.16432.99crystaline, IliquidTrowbridge and Westrum, 1963DH

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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Rapport, Westrum, et al., 1971
Rapport, N.J.; Westrum, E.F., Jr.; Andrews, J.T.S., Enthalpies of formation for globular molecules. III. Succinonitrile and triethylenediamine, J. Am. Chem. Soc., 1971, 93, 4363-4365. [all data]

Parris, Raybin, et al., 1964
Parris, M.; Raybin, P.S.; Labowitz, L.C., Enthalpy of combustion and related thermodynamic properties of triethylenediamine, J. Chem. Eng. Data, 1964, 9, 221-223. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Westrum, 1961
Westrum, E.F., Jr., The thermophysical properties of three globular molecules, J. Phys. Chem. Solids, 1961, 18, 83-85. [all data]

Chang and Westrum, 1960
Chang, S.-S.; Westrum, E.F., Jr., Heat capacities and thermodynamic properties of globular molecules. II. Triethylenediamine, J. Phys. Chem., 1960, 64, 1551-1552. [all data]

Trowbridge and Westrum, 1963
Trowbridge, J.C.; Westrum, E.F., Jr., Heat capacities and thermodynamic properties of globular molecules. VII. Transition and fusion of triethylenediamine, J. Phys. Chem., 1963, 67, 2381-2385. [all data]

Farkas, Mills, et al., 1959
Farkas, A.; Mills, G.A.; Erner, W.E.; Maerker, J.B., Triethylenediamine. Physical, Chemical, and Catalytic Properties, J. Chem. Eng. Data, 1959, 4, 334. [all data]

Trowbridge and Westrum, 1963, 2
Trowbridge, J.C.; Westrum, E.F., Heat capacities and thermodynamic properties of globular molecules. VII. Transition and fusion of triethylenediamine, J. Phys. Chem., 1963, 67, 2381-5. [all data]

Wada, Kishida, et al., 1960
Wada, T.; Kishida, E.; Tomhe, Y.; Suga, H.; Seki, S.; Nitta, I., Crystal structure and thermodynamical investigations of triethylenediamine, C6H12N2, Bull. Chem. Soc. Jpn., 1960, 33, 1317. [all data]

Bondi, 1963
Bondi, A., Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments., J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027 . [all data]

Wada, Kishida, et al., 1960, 2
Wada, Tadayoshi; Kishida, Etsuko; Tomiie, Yujiro; Suga, Hiroshi; Seki, Syûzô; Nitta, Isamu, Crystal Structure and Thermodynamical Investigations of Triethylenediamine, C6H12N2, Bull. Chem. Soc. Jpn., 1960, 33, 9, 1317-1318, https://doi.org/10.1246/bcsj.33.1317 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References