Tungsten,hexacarbonylbis(η5-2,4-cyclopentadien-1-yl)di-
- Formula: C16H10O6W2
- Molecular weight: 665.93
- CAS Registry Number: 12566-66-4
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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
0.5C16H10O6W2 (solution) + (cr) = C8H5NaO3W (solution)
By formula: 0.5C16H10O6W2 (solution) + Na (cr) = C8H5NaO3W (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -61.7 ± 1.4 | kcal/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5[W(Cp)(CO)3]2(solution) + (Na)[Cr(Cp)(CO)2(PPh3)](solution) = (Na)[W(Cp)(CO)3](solution) + Cr(Cp)(CO)2(PPh3)(solution), Cr(Cp)(CO)2(PPh3)(solution) + (Na)(Ph2CO)(solution) = (Na)[Cr(Cp)(CO)2(PPh3)](solution) + Ph2CO(solution), -21.3 ± 0.60 kcal/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -38.50 ± 0.60 kcal/mol Kiss, Nolan, et al., 1994. |
C16H10O6W2 (cr) + (solution) = 2C8H5IO3W (solution)
By formula: C16H10O6W2 (cr) + I2 (solution) = 2C8H5IO3W (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -34.99 ± 0.91 | kcal/mol | RSC | Landrum and Hoff, 1985 | solvent: Dichloromethane |
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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 6.65 ± 0.05 | EI | Krause and Bidinosti, 1975 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C6H6W2+ | 29.0 ± 1.0 | ? | EI | Krause and Bidinosti, 1975 | |
| C8H5O3W+ | 10.1 ± 0.2 | C5H5(CO)3W | EI | Krause and Bidinosti, 1975 | |
| C8H8W2+ | 25.0 ± 1.0 | ? | EI | Krause and Bidinosti, 1975 | |
| C10H10W2+ | 15.5 ± 0.5 | 6CO | EI | Krause and Bidinosti, 1975 | |
| C11H10OW2+ | 13.85 ± 0.10 | 5CO | EI | Krause and Bidinosti, 1975 | |
| C12H10O2W2+ | 12.89 ± 0.10 | 4CO | EI | Krause and Bidinosti, 1975 | |
| C13H10O3W2+ | 11.00 ± 0.20 | 3CO | EI | Krause and Bidinosti, 1975 | |
| C14H10O4W2+ | 8.61 ± 0.05 | 2CO | EI | Krause and Bidinosti, 1975 | |
| C15H10O5W2+ | 7.70 ± 0.05 | CO | EI | Krause and Bidinosti, 1975 |
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.
Kiss, Nolan, et al., 1994
Kiss, G.; Nolan, S.P.; Hoff, C.D.,
Inorg. Chim. Acta, 1994, 227, 285. [all data]
Landrum and Hoff, 1985
Landrum, J.T.; Hoff, C.D.,
J. Organometal. Chem., 1985, 282, 215. [all data]
Krause and Bidinosti, 1975
Krause, J.R.; Bidinosti, D.R.,
Mass spectrometric studies of the ionization and thermal decomposition of tungsten π-cyclopentadienyl tricarbonyl dimer,
Can. J. Chem., 1975, 53, 628. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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