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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • 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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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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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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 as indicated in comments:
MS - José A. Martinho Simões
B - John E. Bartmess

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

H₆Cl₂N₂Pt (cr) =  (cr) + 2 (g) + (4/3) (g) + (1/3) (g)

By formula: H₆Cl₂N₂Pt (cr) = Pt (cr) + 2HCl (g) + (4/3)H₃N (g) + (1/3)N₂ (g)

(CAS Reg. No. 151247-65-3 • 4294967295) +  = CAS Reg. No. 151247-65-3

By formula: (CAS Reg. No. 151247-65-3 • 4294967295Pt) + Pt = CAS Reg. No. 151247-65-3

(CAS Reg. No. 119177-55-8 • 4294967295) +  = CAS Reg. No. 119177-55-8

By formula: (CAS Reg. No. 119177-55-8 • 4294967295Pt) + Pt = CAS Reg. No. 119177-55-8

(CAS Reg. No. 151247-64-2 • 4294967295) +  = CAS Reg. No. 151247-64-2

By formula: (CAS Reg. No. 151247-64-2 • 4294967295Pt) + Pt = CAS Reg. No. 151247-64-2

(CAS Reg. No. 153298-77-2 • 4294967295) +  = CAS Reg. No. 153298-77-2

By formula: (CAS Reg. No. 153298-77-2 • 4294967295Pt) + Pt = CAS Reg. No. 153298-77-2

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, Reaction thermochemistry 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]

Al Takhin, Skinner, et al., 1983
Al Takhin, G.; Skinner, H.A.; Zaki, A.A., J. Chem. Soc., Dalton Trans., 1983, 2323.. [all data]

Grushow and Ervin, 1997
Grushow, A.; Ervin, K.M., Ligand and Metal Binding Energies in Platinum Carbonyl Cluster Anions: Collision Induced Dissociation of PtM- and Ptm(CO)n-, J. Chem. Phys., 1997, 106, 23, 9580, https://doi.org/10.1063/1.474116 . [all data]

Ervin, Ho, et al., 1988
Ervin, K.M.; Ho, J.; Lineberger, W.C., Electronic and Vibrational Structure of Transition Metal Trimers: Photoelectron Spectra of Ni3-, Pd3- and Pt3-, J. Chem. Phys., 1988, 89, 8, 4514, https://doi.org/10.1063/1.454791 . [all data]

Ho, Polak, et al., 1993
Ho, J.; Polak, M.L.; Ervin, K.M.; Lineberger, W.C., Photoelectron Spectroscopy of Nickel Group Dimers - Ni2(-), Pd2(-), and Pt2(-), J. Chem. Phys., 1993, 99, 11, 8542, https://doi.org/10.1063/1.465577 . [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, Reaction thermochemistry data, Gas phase ion energetics data, References

• 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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