Bis(η8-cyclooctatetraene)uranium


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Δfgas104.9 ± 3.2kcal/molReviewMartinho Simões 
Δfgas65.5 ± 5.0kcal/molReviewMartinho Simões 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics 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: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Δfsolid77.9 ± 3.1kcal/molReviewMartinho Simões 
Δfsolid31.5 ± 4.6kcal/molReviewMartinho Simões 
Quantity Value Units Method Reference Comment
Δcsolid-2368. ± 4.5kcal/molCC-SBKuznetsov, Kir'yanov, et al., 1986 
Δcsolid-2414.0 ± 3.0kcal/molCC-SBTel'noi, Rabinovich, et al., 1979 

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics 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:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub34. ± 2.kcal/molCC-SBKuznetsov, Kir'yanov, et al., 1986Another value for the enthalpy of sublimation has been reported: 27.0 ± 1.0 kcal/mol Bedford, 1977 Tel'noi, Rabinovich, et al., 1979; MS
Δsub27.3 ± 1.1kcal/molN/ATel'noi, Rabinovich, et al., 1979, 2See also Bedford, 1977, 2.; AC
Δsub27.0 ± 1.0kcal/molCC-SBBedford, 1977Please also see Tel'noi, Rabinovich, et al., 1979. Another value for the enthalpy of sublimation has been reported: 34. ± 2. kcal/mol Kuznetsov, Kir'yanov, et al., 1986; MS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Reference Comment
25.79 ± 0.79400. to 500.Tel'noi, Rabinovich, et al., 1979, 2See also Bedford, 1977, 2.; AC

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
6.15PEBruno, Ciliberto, et al., 1982Vertical value; LBLHLM
6.15PEFragala, Condorelli, et al., 1976Vertical value; LLK
6.20PEClark and Green, 1976Vertical value; LLK

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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]

Kuznetsov, Kir'yanov, et al., 1986
Kuznetsov, N.T.; Kir'yanov, K.V.; Mitin, V.A.; Sevast'yanov, V.G.; Bogdanov, V.A., Radiokhimiya, 1986, 28, 709. [all data]

Tel'noi, Rabinovich, et al., 1979
Tel'noi, V.I.; Rabinovich, I.B.; Leonov, M.R.; Solov'eva, G.V.; Gramoteeva, N.I., Dokl. Akad. Nauk SSSR, 1979, 245, 1430. [all data]

Bedford, 1977
Bedford, R.G., J. Phys. Chem., 1977, 81, 1284. [all data]

Tel'noi, Rabinovich, et al., 1979, 2
Tel'noi, V.I.; Rabinovich, I.B.; Leonov, M.R.; Solov'eva, G.V.; Gramoteeva, N.I., Dokl. Phys. Chem., 1979, 245, 363. [all data]

Bedford, 1977, 2
Bedford, R.G., Sublimation of bis(.eta.8-1,3,5,7-cyclooctatetraene)uranium, J. Phys. Chem., 1977, 81, 13, 1284-1289, https://doi.org/10.1021/j100528a013 . [all data]

Bruno, Ciliberto, et al., 1982
Bruno, G.; Ciliberto, E.; Fischer, R.D.; Fragala, I.; Spieg, A.W., Photoelectron spectroscopy of f-element organometallic complexes. 5. Comparative study of ring-substituted uranocenes, Organometallics, 1982, 1, 1060. [all data]

Fragala, Condorelli, et al., 1976
Fragala, I.; Condorelli, G.; Zanella, P.; Tondello, E., Photoelectron spectroscopy of actinide organometallic compounds I. Bis (cyclooctatetraene)actinide(IV) complexes, J. Organomet. Chem., 1976, 122, 357. [all data]

Clark and Green, 1976
Clark, J.P.; Green, J.C., The He-I photoelectron spectra of uranocene and thorocene, J. Organomet. Chem., 1976, 112, 14. [all data]


Notes

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