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

iridium

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.


Gas phase ion energetics data

Go To: Top, 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

View reactions leading to Ir+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.1eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
1.56436 ± 0.00013LPDBilodeau, Scheer, et al., 1999B
1.5660 ± 0.0080LPESFeigerle, Corderman, et al., 1981B

Ionization energy determinations

IE (eV) Method Reference Comment
9.1EVALLide, 1992LL
8.87 ± 0.05EIRauh and Ackermann, 1979LLK
8.8 ± 0.7EIHaque, Pelino, et al., 1979LLK
9.1 ± 0.1SMoore, 1970RDSH

References

Go To: Top, 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.

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]

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]

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]

Haque, Pelino, et al., 1979
Haque, R.; Pelino, M.; Gingerich, K.A., Investigation of the thermodynamic stability of the molecule LaIr(g) by high temperature mass spectrometry, J. Chem. Phys., 1979, 71, 2929. [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, Gas phase ion energetics data, References