platinum

• Formula: Pt
• Molecular weight: 195.084
• IUPAC Standard InChI: InChI=1S/Pt Copy

  
• IUPAC Standard InChIKey: BASFCYQUMIYNBI-UHFFFAOYSA-N Copy
• CAS Registry Number: 7440-06-4
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
• 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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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.

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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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:
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

Electron affinity determinations

Ionization energy determinations

References

Go To: Top, Phase change 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.

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Bilodeau, Scheer, et al., 1999
Bilodeau, R.C.; Scheer, M.; Haugen, H.K.; Brooks, R.L., Near-threshold Laser Spectroscopy of Iridium and Platinum Negative Ions: Electron Affinities and the Threshold Law, Phys. Rev. A, 1999, 61, 1, 12505, https://doi.org/10.1103/PhysRevA.61.012505 . [all data]

Gibson, Davies, et al., 1993
Gibson, N.D.; Davies, B.J.; Larson, D.J., The Electron Affinity of Platinum, J. Chem. Phys., 1993, 98, 6, 5104, https://doi.org/10.1063/1.464935 . [all data]

Hotop and Lineberger, 1973
Hotop, H.; Lineberger, W.C., Dye-laser Photodetachment Studies of Au-, Pt-, PtN-, and Ag-, J. Chem. Phys., 1973, 58, 6, 2379, https://doi.org/10.1063/1.1679515 . [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]

Gupta, Nappi, et al., 1981
Gupta, S.K.; Nappi, B.M.; Gingerich, K.A., Mass spectrometric study of the stabilities of the gaseous molecules Pt₂ and PtY, Inorg. Chem., 1981, 20, 966. [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

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy

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