Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

platinum

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, References, Notes

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 (bar)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
3003. - 4680.4.8068821519.696-200.689Stull, 1947Coefficents calculated by NIST from author's data.

Reaction thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, NIST Free Links, References, Notes

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) = platinum (cr) + 2Hydrogen chloride (g) + (4/3)Ammonia (g) + (1/3)Nitrogen (g)

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

Quantity Value Units Method Reference Comment
Deltar221. ± 3.kJ/molTD-HFCAl Takhin, Skinner, et al., 1983MS

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

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

Quantity Value Units Method Reference Comment
Deltar473. ± 29.kJ/molN/AGrushow and Ervin, 1997gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar422. ± 41.kJ/molN/AErvin, Ho, et al., 1988gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar415. ± 29.kJ/molN/AGrushow and Ervin, 1997gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar281. ± 6.3kJ/molN/AHo, Polak, et al., 1993gas phase; B

Gas phase ion energetics data

Go To: Top, Phase change data, Reaction thermochemistry data, NIST Free Links, References, Notes

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

Quantity Value Units Method Reference Comment
IE (evaluated)9.0eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
2.125104 ± 0.000044LPDBilodeau, Scheer, et al., 1999B
2.1232 ± 0.0011LPDGibson, Davies, et al., 1993B
2.1280 ± 0.0020LPDHotop and Lineberger, 1973B

Ionization energy determinations

IE (eV) Method Reference Comment
9.0EVALLide, 1992LL
8.6 ± 0.5EIGupta, Nappi, et al., 1981LLK
8.82 ± 0.04EIRauh and Ackermann, 1979LLK
9.0SMoore, 1970RDSH

References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, 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, NIST Free Links, References