Bis(η8-cyclooctatetraene)uranium


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
Δfgas439. ± 14.kJ/molReviewMartinho Simões 
Δfgas274. ± 21.kJ/molReviewMartinho Simões 

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 by: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Δfsolid326. ± 13.kJ/molReviewMartinho Simões 
Δfsolid132. ± 19.kJ/molReviewMartinho Simões 
Quantity Value Units Method Reference Comment
Δcsolid-9906. ± 19.kJ/molCC-SBKuznetsov, Kir'yanov, et al., 1986 
Δcsolid-10100. ± 13.kJ/molCC-SBTel'noi, Rabinovich, et al., 1979 

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:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub142. ± 8.kJ/molCC-SBKuznetsov, Kir'yanov, et al., 1986Another value for the enthalpy of sublimation has been reported: 113.0 ± 4.2 kJ/mol Bedford, 1977 Tel'noi, Rabinovich, et al., 1979; MS
Δsub114.2 ± 4.8kJ/molN/ATel'noi, Rabinovich, et al., 1979, 2See also Bedford, 1977, 2.; AC
Δsub113.0 ± 4.2kJ/molCC-SBBedford, 1977Please also see Tel'noi, Rabinovich, et al., 1979. Another value for the enthalpy of sublimation has been reported: 142. ± 8. kJ/mol Kuznetsov, Kir'yanov, et al., 1986; MS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
107.9 ± 3.3400. to 500.Tel'noi, Rabinovich, et al., 1979, 2See also Bedford, 1977, 2.; AC

Gas phase ion energetics 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:
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

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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

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