Cr(CO)3
- Formula: C3CrO3
- Molecular weight: 136.0264
- CAS Registry Number: 81714-33-2
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Reaction 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
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Individual Reactions
C4CrO4 (g) = (g) + C3CrO3 (g)
By formula: C4CrO4 (g) = CO (g) + C3CrO3 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 163. | kJ/mol | KinG | Rayner, Ishikawa, et al., 1991 | |
| ΔrH° | 84. ± 63. | kJ/mol | MBPS | Venkataraman, Hou, et al., 1990 |
(g) = 3
(g) + C3CrO3 (g)
By formula: C6CrO6 (g) = 3CO (g) + C3CrO3 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 393. ± 42. | kJ/mol | MBPS | Venkataraman, Hou, et al., 1990 |
Gas phase ion energetics data
Go To: Top, Reaction 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, Reaction 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.
Rayner, Ishikawa, et al., 1991
Rayner, D.M.; Ishikawa, Y.; Brown, C.E.; Hackett, P.A.,
J. Chem. Phys., 1991, 94, 5471. [all data]
Venkataraman, Hou, et al., 1990
Venkataraman, B.; Hou, H.; Zhang, Z.; Chen, S.; Bandukwalla, G.; Vernon, M.,
J. Chem. Phys., 1990, 92, 5338. [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, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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