Bis(η6-1,3,5-trimethylbenzene) chromium
- Formula: C18H24Cr
- Molecular weight: 292.3793
- CAS Registry Number: 1274-07-3
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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° | 104.0 ± 1.0 | kJ/mol | CC-SB | Connor, Martinho-Simoes, et al., 1979 | MS |
| ΔsubH° | 104. ± 1. | kJ/mol | C | Connor, Martinho-Simoes, et al., 1979, 2 | AC |
Gas phase ion energetics data
Go To: Top, 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 5.47 ± 0.05 | EI | Herberich and Muller, 1969 | RDSH |
| 4.97 | PE | Cabelli, Cowley, et al., 1982 | Vertical value; LBLHLM |
| 5.01 ± 0.05 | PE | Evans, Green, et al., 1974 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C9H12Cr+ | 9.3 ± 0.1 | ? | EI | Herberich and Muller, 1969 | RDSH |
| Cr+ | 12.1 ± 0.2 | ? | EI | Herberich and Muller, 1969 | RDSH |
References
Go To: Top, 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.
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]
Connor, Martinho-Simoes, et al., 1979, 2
Connor, Joseph A.; Martinho-Simoes, Jose A.; Skinner, Henry A.; Zafarani-Moattar, Mohammad T.,
Thermochemistry of bis-arene- and arenetricarbonyl-chromium compounds containing hexamethylbenzene, 1,3,5-trimethylbenzene and naphthalene.,
Journal of Organometallic Chemistry, 1979, 179, 3, 331-356, https://doi.org/10.1016/S0022-328X(00)91750-9
. [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]
Cabelli, Cowley, et al., 1982
Cabelli, D.E.; Cowley, A.H.; Lagowski, J.J.,
The bonding in some bis(arene)chromium compounds as indicated by U. V. photoelectron zpectroscopy,
Inorg. Chim. Acta, 1982, 57, 195. [all data]
Evans, Green, et al., 1974
Evans, S.; Green, J.C.; Jackson, S.E.; Higginson, B.,
He(I) photoelectron spectra of some transition-metal sandwich complexes,
J. Chem. Soc. Dalton Trans., 1974, 304. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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