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rhodium


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

C16O16Rh6 (cr) = 16Carbon monoxide (g) + 6rhodium (cr)

By formula: C16O16Rh6 (cr) = 16CO (g) + 6Rh (cr)

Quantity Value Units Method Reference Comment
Deltar649. ± 17.kJ/molTD-HFCBrown, Connor, et al., 1975Please also see Pedley and Rylance, 1977.

C12O12Rh4 (cr) = 12Carbon monoxide (g) + 4rhodium (cr)

By formula: C12O12Rh4 (cr) = 12CO (g) + 4Rh (cr)

Quantity Value Units Method Reference Comment
Deltar498. ± 13.kJ/molTD-HFCConnor, Skinner, et al., 1973Please also see Pedley and Rylance, 1977.

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

Quantity Value Units Method Reference Comment
IE (evaluated)7.45890 ± 0.00005eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)768.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity745.4kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
1.14291 ± 0.00022N/AScheer, Brodie, et al., 1998B
1.1380 ± 0.0080LPESFeigerle, Corderman, et al., 1981B

Ionization energy determinations

IE (eV) Method Reference Comment
7.45890EVALLide, 1992LL
7.45890 ± 0.00005LSCallender, Hackett, et al., 1988LL
7.2 ± 0.5EIHaque and Gingerich, 1981LLK
7.42 ± 0.08EIRauh and Ackermann, 1979LLK
7.1 ± 0.6EIGingerich and Gupta, 1978LLK
7.46SMoore, 1970RDSH

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Brown, Connor, et al., 1975
Brown, D. Lalage S.; Connor, Joseph A.; Skinner, Henry A., Microcalorimetric studies. The enthalpy of formation of hexadecacarbonylhexarhodium, Rh6(CO)16, J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 699, https://doi.org/10.1039/f19757100699 . [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Connor, Skinner, et al., 1973
Connor, J.A.; Skinner, H.A.; Virmani, Y., High temperature microcalorimetric studies of the thermal decomposition and iodination of polynuclear carbonyls of Fe, Co, Ru, Rh, Re, Os and Ir, Faraday Symp. Chem. Soc., 1973, 8, 18, https://doi.org/10.1039/fs9730800018 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Scheer, Brodie, et al., 1998
Scheer, M.; Brodie, C.A.; Bilodeau, R.C.; Haugen, H.K., Laser spectroscopic measurements of binding energies and fine-structure splittings of Co-, Ni-, Rh-, and Pd-, Phys. Rev. A, 1998, 58, 3, 2051-2062, https://doi.org/10.1103/PhysRevA.58.2051 . [all data]

Feigerle, Corderman, et al., 1981
Feigerle, C.S.; Corderman, R.R.; Bobashev, S.V.; Lineberger, W.C., Binding Energies and Structure of Transition Metal Negative Ions, J. Chem. Phys., 1981, 74, 3, 1580, https://doi.org/10.1063/1.441289 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Callender, Hackett, et al., 1988
Callender, C.L.; Hackett, P.A.; Rayner, D.M., First-ionization potential of ruthenium, rhodium, and palladium by double-resonance ionization spectroscopy, J. Opt. Soc. Am. B, 1988, 5, 614. [all data]

Haque and Gingerich, 1981
Haque, R.; Gingerich, K.A., Identification and atomization energies of gaseous molecules ScC2, ScC3, ScC4, ScC5, and ScC6 by high temperature mass spectrometry, J. Chem. Phys., 1981, 74, 6407. [all data]

Rauh and Ackermann, 1979
Rauh, E.G.; Ackermann, R.J., The first ionization potentials of the transition metals, J. Chem. Phys., 1979, 70, 1004. [all data]

Gingerich and Gupta, 1978
Gingerich, K.A.; Gupta, K.A., Dissociation energies of the molecules RhTh and RhU from high temperature mass spectrometry and predicted thermodynamic stabilities of selected diatomic actinide-platinum metal intermetallic molecules, J. Chem. Phys., 1978, 69, 505. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]


Notes

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