Cr(CO)3
- Formula: C3CrO3
- Molecular weight: 136.0264
- CAS Registry Number: 81714-33-2
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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 | -44. ± 10. | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -217.1 ± 0.62 kcal/mol for the enthalpy of formation of Cr(CO)6(g) |
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 by: John E. Bartmess
View reactions leading to C3CrO3+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.3490 ± 0.0060 | LPES | Bengali, Casey, et al., 1992 | |
| <1.79961 | IMRB | McElvaney and Allison, 1986 | Order: Cr(CO)3 < Co(CO)2 < Co(CO)(NO) < Co(CO)3 < Fe(CO)3 = 41.5 kcal/mol |
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]
Bengali, Casey, et al., 1992
Bengali, A.A.; Casey, S.M.; Cheng, C.-L.; Dick, J.P.; Fenn, T.; Villaalta, P.W.; Leopold, D.G.,
Negative Ion Photoelectron Spectroscopy of Coordinatively Unsaturated Group VI Metal Carbonyls: Cr(CO)3, Mo(CO)3, and W(CO)3,
J. Am. Chem. Soc., 1992, 114, 13, 5257, https://doi.org/10.1021/ja00039a043
. [all data]
McElvaney and Allison, 1986
McElvaney, S.W.; Allison, J.,
Gas-phase chemistry of transition-metal-containing anions with alcohols, chloroalkanes, and bifunctional organic molecules,
Organometallics, 1986, 5, 416. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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