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Aluminum, triethyl-

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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 by: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Deltafgas-114.1 ± 5.5kJ/molReviewMartinho SimõesSelected data. The enthalpy of formation relies on -1792.9 ± 1.9 kJ/mol for the enthalpy of formation of Al(acac)3(cr). Liquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.
Deltafgas-98.9 ± 6.8kJ/molReviewMartinho SimõesLiquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.
Deltafgas-163.7 ± 3.7kJ/molReviewMartinho SimõesLiquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.
Deltafgas-144.0 ± 9.1kJ/molReviewMartinho SimõesLiquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2
Deltafgas-100.0 ± 5.1kJ/molReviewMartinho SimõesThe enthalpy of formation was quoted from Tel'noi and Rabinovich, 1980 and relies on experimental data in Fic, 1966. Liquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.

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:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-187.3 ± 5.1kJ/molReviewMartinho SimõesSelected data. The enthalpy of formation relies on -1792.9 ± 1.9 kJ/mol for the enthalpy of formation of Al(acac)3(cr). Liquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.; MS
Deltafliquid-172.1 ± 6.5kJ/molReviewMartinho SimõesLiquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.; MS
Deltafliquid-236.9 ± 3.1kJ/molReviewMartinho SimõesLiquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.; MS
Deltafliquid-217.2 ± 8.9kJ/molReviewMartinho SimõesLiquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2; MS
Deltafliquid-173.2 ± 4.6kJ/molCC-SBTel'noi and Rabinovich, 1980Value corrected based on a set of ancillary data by J.A. Martinho Simões; The enthalpy of formation was quoted from Tel'noi and Rabinovich, 1980 and relies on experimental data in Fic, 1966. Liquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.; MS
Quantity Value Units Method Reference Comment
Deltacliquid-5105.7 ± 2.9kJ/molCC-SBPawlenko, 1967Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS
Deltacliquid-5125.4 ± 8.8kJ/molCC-SBShaulov, Shmyreva, et al., 1965Please also see Cox and Pilcher, 1970.; MS
Quantity Value Units Method Reference Comment
liquid308.0J/mol*KN/ARabinovich, Nistratov, et al., 1989DH
liquid307.8J/mol*KN/ASheiman, Nistratov, et al., 1984DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
239.0298.15Rabinovich, Nistratov, et al., 1989T = 5 to 313 K.; DH
239.0298.15Sheiman, Nistratov, et al., 1984T = 5 to 300 K.; DH

Reaction 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 by: José A. Martinho Simões

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C12H30Al2 (g) = 2Aluminum, triethyl- (g)

By formula: C12H30Al2 (g) = 2C6H15Al (g)

Quantity Value Units Method Reference Comment
Deltar76.0 ± 1.3kJ/molN/ASmith, 1972The values were derived from the thermochemistry of the equilibrium in the liquid phase and from vapor pressure data Smith, 1972.

3Water (g) + Aluminum, triethyl- (l) = AlH3O3 (amorphous) + 3Ethane (g)

By formula: 3H2O (g) + C6H15Al (l) = AlH3O3 (amorphous) + 3C2H6 (g)

Quantity Value Units Method Reference Comment
Deltar-647.3 ± 6.3kJ/molRSCFowell, 1961Please also see Cox and Pilcher, 1970. Liquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2.

C12H30Al2 (l) = 2Aluminum, triethyl- (l)

By formula: C12H30Al2 (l) = 2C6H15Al (l)

Quantity Value Units Method Reference Comment
Deltar70.8 ± 1.0kJ/molEqSSmith, 1967 

AlI3 (cr) + 2Aluminum, triethyl- (l) = 3C4H10AlI (l)

By formula: AlI3 (cr) + 2C6H15Al (l) = 3C4H10AlI (l)

Quantity Value Units Method Reference Comment
Deltar-73.3 ± 1.4kJ/molRSCSmith, 1974Please also see Pedley and Rylance, 1977.

AlBr3 (cr) + 2Aluminum, triethyl- (l) = 3C4H10AlBr (l)

By formula: AlBr3 (cr) + 2C6H15Al (l) = 3C4H10AlBr (l)

Quantity Value Units Method Reference Comment
Deltar-91.4 ± 1.8kJ/molRSCSmith, 1974Please also see Pedley and Rylance, 1977.

AlCl3 (cr) + 2Aluminum, triethyl- (l) = 3Aluminum, chlorodiethyl- (l)

By formula: AlCl3 (cr) + 2C6H15Al (l) = 3C4H10AlCl (l)

Quantity Value Units Method Reference Comment
Deltar-66.8 ± 1.3kJ/molRSCSmith, 1974Please also see Pedley and Rylance, 1977.

C2H5AlI2 (l) + Aluminum, triethyl- (l) = 2C4H10AlI (l)

By formula: C2H5AlI2 (l) + C6H15Al (l) = 2C4H10AlI (l)

Quantity Value Units Method Reference Comment
Deltar-36.2 ± 0.7kJ/molRSCSmith, 1974Please also see Pedley and Rylance, 1977.

C2H5AlBr2 (l) + Aluminum, triethyl- (l) = 2C4H10AlBr (l)

By formula: C2H5AlBr2 (l) + C6H15Al (l) = 2C4H10AlBr (l)

Quantity Value Units Method Reference Comment
Deltar-39.7 ± 0.8kJ/molRSCSmith, 1974Please also see Pedley and Rylance, 1977.

Aluminum, dichloroethyl- (l) + Aluminum, triethyl- (l) = 2Aluminum, chlorodiethyl- (l)

By formula: C2H5AlCl2 (l) + C6H15Al (l) = 2C4H10AlCl (l)

Quantity Value Units Method Reference Comment
Deltar-39.5 ± 0.8kJ/molRSCSmith, 1974Please also see Pedley and Rylance, 1977.

References

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

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

Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]

Smith, 1967
Smith, M.B., J. Phys. Chem., 1967, 71, 364. [all data]

Tel'noi and Rabinovich, 1980
Tel'noi, V.I.; Rabinovich, I.B., Russ. Chem. Rev., 1980, 49, 603. [all data]

Fic, 1966
Fic, V., Chem. Prum., 1966, 16, 607. [all data]

Pawlenko, 1967
Pawlenko, S., Chem. Ber., 1967, 100, 3591. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Shaulov, Shmyreva, et al., 1965
Shaulov, Yu.Kh.; Shmyreva, G.O.; Tubyanskaya, V.S., Russ. J. Phys. Chem., 1965, 39, 51. [all data]

Rabinovich, Nistratov, et al., 1989
Rabinovich, I.B.; Nistratov, V.P.; Sheiman, M.S.; Klimov, K.N.; Kamelov, G.P.; Zorin, A.D., Specific heat and thermodynamic functions of triethylaluminium, Zhur. Fiz. Khim., 1989, 63, 522-525. [all data]

Sheiman, Nistratov, et al., 1984
Sheiman, M.S.; Nistratov, V.P.; Kamelova, G.P.; Rabinovich, I.B., Low-temperature heat capacity of organic compounds of aluminum and zinc, Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 2, 457-459. [all data]

Smith, 1972
Smith, M.B., J. Organometal. Chem., 1972, 46, 31. [all data]

Fowell, 1961
Fowell, P.A., Ph. D. Thesis, University of Manchester, 1961. [all data]

Smith, 1974
Smith, M.B., J. Organometal. Chem., 1974, 76, 171. [all data]


Notes

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