ruthenium

• Formula: Ru
• Molecular weight: 101.07
• IUPAC Standard InChI: InChI=1S/Ru Copy

  
• IUPAC Standard InChIKey: KJTLSVCANCCWHF-UHFFFAOYSA-N Copy
• CAS Registry Number: 7440-18-8
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Data at other public NIST sites:
  • NIST Atomic Spectra Database - Lines Holdings (on physics web site)
  • NIST Atomic Spectra Database - Levels Holdings (on physics web site)
  • NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 (cr) = 12 (g) + 3 (cr)

By formula: C₁₂O₁₂Ru₃ (cr) = 12CO (g) + 3Ru (cr)

C₁₂FeO₁₂Ru₂ (cr) = 12 (g) +  (cr) + 2 (cr)

By formula: C₁₂FeO₁₂Ru₂ (cr) = 12CO (g) + Fe (cr) + 2Ru (cr)

C₁₂Fe₂O₁₂Ru (cr) = 12 (g) + 2 (cr) +  (cr)

By formula: C₁₂Fe₂O₁₂Ru (cr) = 12CO (g) + 2Fe (cr) + Ru (cr)

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

View reactions leading to Ru⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

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.

Baev, Connor, et al., 1981
Baev, A.K.; Connor, J.A.; El-Saied, N.I.; Skinner H.A., J. Organometal. Chem., 1981, 213, 151. [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]

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

Norquist, Beck, et al., 1999
Norquist, P.L.; Beck, D.R.; Bilodeau, R.C.; Scheer, M.; Srawley, R.A.; Haugen, H.K., Theoretical and experimental binding energies for the d7s2 4F levels in Ru-, including calculated hyperfine structure and M1 decay rates, Phys. Rev. A, 1999, 59, 3, 1896-1902, https://doi.org/10.1103/PhysRevA.59.1896 . [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]

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]

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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• Symbols used in this document:
  

  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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