(η6-Methylbenzoate) chromium tricarbonyl
- Formula: C11H8CrO5
- Molecular weight: 272.1743
- CAS Registry Number: 12125-87-0
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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 | -620.1 ± 9.3 | kJ/mol | Review | Martinho Simões | |
| ΔfH°gas | -658.5 ± 9.8 | kJ/mol | Review | Martinho Simões |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry 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:
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 |
|---|---|---|---|
| 7.1 | EI | Simonneaux, Jaouen, et al., 1977 | LLK |
| 7.0 ± 0.1 | EI | Gilbert, Leach, et al., 1973 | LLK |
| 7.41 | EI | Muller, 1969 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C8H8O2Cr+ | 9.1 | 3CO | EI | Simonneaux, Jaouen, et al., 1977 | LLK |
| C8H8O2Cr+ | 10.0 ± 0.1 | 3CO | EI | Gilbert, Leach, et al., 1973 | LLK |
| C8H8O2+ | 9.3 ± 0.1 | ? | EI | Gilbert, Leach, et al., 1973 | LLK |
| C9H8O3Cr+ | 7.7 | 2CO | EI | Simonneaux, Jaouen, et al., 1977 | LLK |
| C9H8O3Cr+ | 8.3 ± 0.1 | 2CO | EI | Gilbert, Leach, et al., 1973 | LLK |
| Cr+ | 14.0 ± 0.1 | ? | EI | Gilbert, Leach, et al., 1973 | LLK |
References
Go To: Top, Gas 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]
Simonneaux, Jaouen, et al., 1977
Simonneaux, G.; Jaouen, G.; Dabard, R.; Guenot, P.,
Contribution a l'etude des metaux asymetriques IV. Etude des complexes areniques du chrome(o) par spectroscopie de masse: modes de liaison du metal avec divers ligands a deux electrons: phosphines, phosphites, carbonyle et thiocarbonyle,
J. Organomet. Chem., 1977, 132, 231. [all data]
Gilbert, Leach, et al., 1973
Gilbert, J.R.; Leach, W.P.; Miller, J.R.,
Ionisation appearance potential measurements in arene chromium tricarbonyls,
J. Organomet. Chem., 1973, 49, 219. [all data]
Muller, 1969
Muller, J.,
Ionisierungspotentiale von substituierten Benzolchrom-tricarbonyl-Komplexen,
J. Organometal. Chem., 1969, 18, 321. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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