Chromium,bis[(1,2,3,4,5-η6)-hexamethylbenzene]-
- Formula: C24H36Cr
- Molecular weight: 376.5387
- CAS Registry Number: 12243-39-9
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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 |
---|---|---|---|---|---|
ΔfH°solid | -188.8 ± 6.8 | kJ/mol | Review | Martinho Simões |
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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
5.19 ± 0.05 | EI | Herberich and Muller, 1969 | RDSH |
4.68 | PE | Connor, Martinho-Simoes, et al., 1979 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C12H18Cr+ | 10.3 ± 0.2 | ? | EI | Herberich and Muller, 1969 | RDSH |
Cr+ | 14.0 ± 0.4 | ? | EI | Herberich and Muller, 1969 | RDSH |
References
Go To: Top, Condensed phase thermochemistry 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]
Herberich and Muller, 1969
Herberich, G.E.; Muller, J.,
Massenspektren und Stabilitaten von Diaromatenchrom-Komplexen,
J.Organometal. Chem., 1969, 16, 111. [all data]
Connor, Martinho-Simoes, et al., 1979
Connor, J.A.; Martinho-Simoes, J.A.; Skinner, H.A.; Zafarani-Moattar, M.T.,
Thermochemistry of bis-arene arenetricarbonyl-chromium compounds containing hexamethylbenzene, 1,3,5-tri-methylbenzene and naphthalene,
J. Organomet. Chem., 1979, 179, 331. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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