Bis(η8-cyclooctatetraene)uranium
- Formula: C16H16U
- Molecular weight: 446.3271
- CAS Registry Number: 11079-26-8
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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 |
---|---|---|---|---|---|
ΔfH°gas | 439. ± 14. | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 274. ± 21. | kJ/mol | Review | Martinho Simões |
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 |
---|---|---|---|---|---|
ΔsubH° | 142. ± 8. | kJ/mol | CC-SB | Kuznetsov, Kir'yanov, et al., 1986 | Another value for the enthalpy of sublimation has been reported: 113.0 ± 4.2 kJ/mol Bedford, 1977 Tel'noi, Rabinovich, et al., 1979; MS |
ΔsubH° | 114.2 ± 4.8 | kJ/mol | N/A | Tel'noi, Rabinovich, et al., 1979, 2 | See also Bedford, 1977, 2.; AC |
ΔsubH° | 113.0 ± 4.2 | kJ/mol | CC-SB | Bedford, 1977 | Please 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 ± 3.3 | 400. to 500. | Tel'noi, Rabinovich, et al., 1979, 2 | See 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 |
---|---|---|---|
6.15 | PE | Bruno, Ciliberto, et al., 1982 | Vertical value; LBLHLM |
6.15 | PE | Fragala, Condorelli, et al., 1976 | Vertical value; LLK |
6.20 | PE | Clark and Green, 1976 | Vertical value; LLK |
References
Go To: Top, Gas 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]
Bedford, 1977
Bedford, R.G.,
J. Phys. Chem., 1977, 81, 1284. [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]
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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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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