Chromium, tricarbonyl[(1,2,3,4,5,6-η)-1,3,5-cycloheptatriene]-
- Formula: C10H8CrO3
- Molecular weight: 228.1648
- IUPAC Standard InChIKey: RTJMWZLRYSYOEK-UHFFFAOYSA-N
- CAS Registry Number: 12125-72-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Chromium, tricarbonyl(1,3,5-cycloheptatriene)-; π-Cycloheptatrienetricarbonylchromium; (Cycloheptatriene)chromium tricarbonyl; Chromium tricarbonyl complex with cycloheptatriene; Cycloheptatrienetricarbonylchromium; Tricarbonyl(cycloheptatriene)chromium; Chromium, tricarbonyl[η6]-1,3,5-cycloheptatriene; Tricarbonyl(η-1,3,5-cycloheptatriene)chromium; Chromium, tricarbonyl[(1,2,3,4,5,6-η6)-1,3,5-cycloheptatriene]-; Tropilidenechromium tricarbonyl; tricarbonyl[(1,2,3,4,5,6-η)-1,3,5-cycloheptatriene]chromium
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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 | -53.0 ± 2.3 | kcal/mol | Review | Martinho Simões |
Condensed 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°solid | -74.0 ± 2.1 | kcal/mol | Review | Martinho Simões |
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° | 21.0 ± 0.96 | kcal/mol | HAL-HFC | Brown, Connor, et al., 1977 | Another value for the enthalpy of sublimation has been reported: 22.5 ± 1.0 kcal/mol Adedeji, Brown, et al., 1975; MS |
ΔsubH° | 22.5 | kcal/mol | C | Adedeji, Lalage, et al., 1975 | AC |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Brown, Connor, et al., 1977
Brown, D.L.S.; Connor, J.A.; Demain, C.P.; Leung, M.L.; Martinho Simões, J.A.; Skinner, H.A.; Zafarani- Moattar, M.T.,
J. Organometal. Chem., 1977, 142, 321. [all data]
Adedeji, Brown, et al., 1975
Adedeji, F.A.; Brown, D.L.S.; Connor, J.A.; Leung, M.; Paz-Andrade, I.M.; Skinner, H.A.,
J. Organometal. Chem., 1975, 97, 221. [all data]
Adedeji, Lalage, et al., 1975
Adedeji, Festus A.; Lalage, D.; Brown, S.; Connor, Joseph A.; Leung, May L.; Paz-Andrade, I. Maria; Skinner, Henry A.,
Thermochemistry of arene chromium tricarbonyls and the strenghts of arene-chromium bonds,
Journal of Organometallic Chemistry, 1975, 97, 2, 221-228, https://doi.org/10.1016/S0022-328X(00)89468-1
. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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