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

potassium iodide


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 compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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

EA (eV) Method Reference Comment
0.728 ± 0.010LPESMiller, Leopold, et al., 1986B
0.50 ± 0.10LPESYang, Bloomfield, et al., 1992EA given is Vertical Detachment Energy. Adiabatic EA est as up to 1 eV smaller; B

Ionization energy determinations

IE (eV) Method Reference Comment
7.5 ± 0.4EIEmons, Horlbeck, et al., 1982LBLHLM
7.2 ± 0.1PEPotts and Price, 1977LLK
7.2 ± 0.1PEPotts, Williams, et al., 1974LLK
8.2 ± 0.3EIPlatel, 1965RDSH
7.4PEGoodman, Allen, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
I+14.6 ± 0.3KEIPlatel, 1965RDSH
K+8.6 ± 0.3IEIPlatel, 1965RDSH
K+25.14 ± 0.04I(-)PEPotts and Price, 1977Vertical value; LLK

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.

Miller, Leopold, et al., 1986
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C., Electron Affinities of the Alkali Halides and the Structure of their Negative Ions, J. Chem. Phys., 1986, 85, 5, 2368, https://doi.org/10.1063/1.451091 . [all data]

Yang, Bloomfield, et al., 1992
Yang, Y.A.; Bloomfield, L.A.; Jin, C.; Wang, L.S.; Smalley, R.E., Ultraviolet Photoelectron Spectroscopy and Photofragmentation Studies of Excess Electrons in Potassium Iodide Cluster Anions, J. Chem. Phys., 1992, 96, 4, 2453, https://doi.org/10.1063/1.462049 . [all data]

Emons, Horlbeck, et al., 1982
Emons, H.-H.; Horlbeck, W.; Kiessling, D., Massenspektrometrische untersuchung der gasphase uber alkalimetalliodiden, Z. Anorg. Allg. Chem., 1982, 488, 212. [all data]

Potts and Price, 1977
Potts, A.W.; Price, W.C., Photoelectron studies of ionic materials using molecular beam techniques, Phys. Scr., 1977, 16, 191. [all data]

Potts, Williams, et al., 1974
Potts, A.W.; Williams, T.A.; Price, W.C., Photoelectron spectra and electronic structure of diatomic alkali halides, Proc. Roy. Soc. London A, 1974, 341, 147. [all data]

Platel, 1965
Platel, G., Mesures des potentials d'apparition des ions obtenus par impact electronique dans la phase vapeur des iodures alcalins et des melanges LiI-MI, J. Chim. Phys., 1965, 62, 1176. [all data]

Goodman, Allen, et al., 1974
Goodman, T.D.; Allen, J.D., Jr.; Cusachs, L.C.; Schweitzer, G.K., The photoelectron spectra of gaseous alkali halides, J. Electron Spectrosc. Relat. Phenom., 1974, 3, 289. [all data]


Notes

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