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Chromium, tricarbonyl[(1,2,3,4,5,6-«eta»)-hexamethylbenzene]-


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
Deltafgas-562. ± 14.kJ/molReviewMartinho Simões 
Deltafgas-538. ± 13.kJ/molReviewMartinho 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
Deltafsolid-685. ± 13.kJ/molReviewMartinho Simões 
Deltafsolid-662. ± 12.kJ/molReviewMartinho 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
Deltasub123.4 ± 4.2kJ/molHAL-HFCAdedeji, Brown, et al., 1975MS
Deltasub123.0 ± 4.0kJ/molCAdedeji, Lalage, et al., 1975See also Brown, Connor, et al., 1977.; AC

Gas phase ion energetics 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:
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
6.4 ± 0.1EIGilbert, Leach, et al., 1973LLK
6.88EIMuller, 1969RDSH
7.24 ± 0.05CTSHuttner and Fischer, 1967RDSH
7.00PEConnor, Martinho-Simoes, et al., 1979Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C11H12O2Cr+6.5 ± 0.1COEIGilbert, Leach, et al., 1973LLK
C12H18+8.6 ± 0.1?EIGilbert, Leach, et al., 1973LLK
C12H18Cr+9.8 ± 0.13COEIGilbert, Leach, et al., 1973LLK
C13H18OCr+7.7 ± 0.12COEIGilbert, Leach, et al., 1973LLK
Cr+13.0 ± 0.1?EIGilbert, Leach, et al., 1973LLK

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 61092

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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]

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]

Brown, Connor, et al., 1977
Brown, D.L.S.; Connor, Joseph A.; Demain, Christopher P.; Leung, May L.; Martinho-Simoes, Jose A.; Skinner, Henry A.; Zafarani Moattar, Mohamed T., The thermochemistry of carbonyl complexes of Cr, Mo, Wand Co with arenes, cycloheptatriene, and norbornadiene, Journal of Organometallic Chemistry, 1977, 142, 3, 321-335, https://doi.org/10.1016/S0022-328X(00)88348-5 . [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]

Huttner and Fischer, 1967
Huttner, G.; Fischer, E.O., Uber Aromatenkomplexe von Metallen. XCVIII. Spectroskopische Untersuchungen an Charge-Transfer-Komplexen von Aromaten-Chrom Tricarbonylen mit 1,3,5-Trinitrobenzol, J. Organometal. Chem., 1967, 8, 299. [all data]

Connor, Martinho-Simoes, et al., 1979
Connor, J.A.; Martinho-Simoes, J.A.; Skinner, H.A.; Zafarani-Moattar, M.T., Thermochemistry of bis-arene arenetricarbonyl-chromium compounds containing hexamethylbenzene, 1,3,5-tri-methylbenzene and naphthalene, J. Organomet. Chem., 1979, 179, 331. [all data]


Notes

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