Aluminum, tripropyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

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
Δfgas-55.9 ± 3.8kcal/molReviewMartinho SimõesLiquid tripropylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.5% Smith, 1974, so that the "real" liquid should be described as [Al(Pr)3]2.
Δfgas-66.87 ± 0.45kcal/molReviewMartinho SimõesLiquid tripropylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.5% Smith, 1974, so that the "real" liquid should be described as [Al(Pr)3]2.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-66.0 ± 3.8kcal/molReviewMartinho SimõesLiquid tripropylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.5% Smith, 1974, so that the "real" liquid should be described as [Al(Pr)3]2.; MS
Δfliquid-77.03 ± 0.36kcal/molReviewMartinho SimõesLiquid tripropylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.5% Smith, 1974, so that the "real" liquid should be described as [Al(Pr)3]2.; MS
Quantity Value Units Method Reference Comment
Δcliquid-1698.0 ± 3.8kcal/molCC-SBShmyreva, Sakharovskaya, et al., 1971Please also see Pedley and Rylance, 1977.; MS
Δcliquid-1687.0 ± 0.1kcal/molCC-SBPawlenko, 1967Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS
Quantity Value Units Method Reference Comment
liquid88.46cal/mol*KN/ASheiman, Rabinovich, et al., 1991DH
liquid88.46cal/mol*KN/ASheiman, Nistratov, et al., 1984DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
81.38298.15Sheiman, Rabinovich, et al., 1991T = 14 to 327 K.; DH
81.38298.15Sheiman, Nistratov, et al., 1984T = 5 to 300 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

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
Δvap10.2 ± 0.29kcal/molCC-SBShmyreva, Sakharovskaya, et al., 1971 

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes

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

C18H42Al2 (l) = 2Aluminum, tripropyl- (l)

By formula: C18H42Al2 (l) = 2C9H21Al (l)

Quantity Value Units Method Reference Comment
Δr15.4 ± 0.2kcal/molEqSSmith, 1974 

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 62178

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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, 1974
Smith, M.B., J. Organometal. Chem., 1974, 70, 13. [all data]

Shmyreva, Sakharovskaya, et al., 1971
Shmyreva, G.O.; Sakharovskaya, G.B.; Popov, A.F.; Korneev, N.N.; Smolyaninova, A.A., Russ. J. Phys. Chem., 1971, 45, 260. [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]

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

Sheiman, Rabinovich, et al., 1991
Sheiman, M.S.; Rabinovich, I.B.; Nistratov, V.P.; Smirnova, N.N.; Kamelova, G.P.; Klimov, K.N.; Zorin, A.D., Low temperature heat capacity and thermodynamic functions of tripropylaluminum and diisobutylaluminum, Zhur. Fiz. Khim., 1991, 65(3), 831-836. [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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References