Cesium iodide


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.

Data compiled by: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub191.1kJ/molMSViswanathan and Hilpert, 2010See also Pankajavalli, Mallika, et al., 1998.
Δsub195.6kJ/molGSPankajavalli, Mallika, et al., 1998 
Δsub193.1kJ/molTCordfunke, 1986See also Pankajavalli, Mallika, et al., 1998.
Δsub193.1kJ/molTVenugopal, Prasad, et al., 1985See also Pankajavalli, Mallika, et al., 1998.

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 by: 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

Iodide + Cesium iodide = (Iodide • Cesium iodide)

By formula: I- + CsI = (I- • CsI)

Quantity Value Units Method Reference Comment
Δr141.00 ± 0.21kJ/molN/AWang, Wang, et al., 2010gas phase
Δr151. ± 5.4kJ/molN/AGusarov, Gorokhov, et al., 1979gas phase; value altered from reference due to conversion from electron convention to ion convention

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 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) Reference Comment
0.630 ± 0.040Miller, Leopold, et al., 1986Extrapolated by polarizability and radius from experimental data.; B

Ionization energy determinations

IE (eV) Method Reference Comment
7.1PEBenson, Novak, et al., 1987LBLHLM
7.2 ± 0.2EIViswanathan and Hilpert, 1984LBLHLM
6.7 ± 0.4EIEmons, Horlbeck, et al., 1982LBLHLM
7.1 ± 0.1PEPotts and Price, 1977LLK
6.5 ± 0.2PESmith and Pong, 1975LLK
7.1 ± 0.1PEPotts, Williams, et al., 1974LLK
7.10 ± 0.05PEBerkowitz, Dehmer, et al., 1973LLK
7.25 ± 0.05PIBerkowitz, 1969RDSH
7.46 ± 0.05PETimoshenko and Akopyan, 1974Vertical value; LLK
7.2PEGoodman, Allen, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Cs+7.46 ± 0.05IPIBerkowitz, 1969RDSH
I+14.1 ± 0.3CsEIPlatel, 1965RDSH
Cs+17.60 ± 0.04I(-)PEPotts and Price, 1977Vertical value; LLK
Cs+19.31 ± 0.04I(-)PEPotts and Price, 1977Vertical value; LLK

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Viswanathan and Hilpert, 2010
Viswanathan, R.; Hilpert, K., Mass Spectrometric Study of the Vaporization of Cesium Iodide and Thermochemistry of (CsI)2(g) and (CsI)3(g), Berichte der Bunsengesellschaft für physikalische Chemie, 2010, 88, 2, 125-131, https://doi.org/10.1002/bbpc.19840880210 . [all data]

Pankajavalli, Mallika, et al., 1998
Pankajavalli, R.; Mallika, C.; Sreedharan, O.M.; Premila, M.; Gopalan, Padma, Vapour pressure of C60 by a transpiration method using a horizontal thermobalance, Thermochimica Acta, 1998, 316, 1, 101-108, https://doi.org/10.1016/S0040-6031(98)00304-9 . [all data]

Cordfunke, 1986
Cordfunke, E.H.P., Thermodynamic properties of CSI. II. vapour pressures and thermochemical properties of CsI(g) and Cs2I2(g), Thermochimica Acta, 1986, 108, 45-55, https://doi.org/10.1016/0040-6031(86)85076-6 . [all data]

Venugopal, Prasad, et al., 1985
Venugopal, V.; Prasad, R.; Sood, D.D., Vaporisation thermodynamics of caesium iodide and caesium chromate, Journal of Nuclear Materials, 1985, 130, 115-121, https://doi.org/10.1016/0022-3115(85)90300-9 . [all data]

Wang, Wang, et al., 2010
Wang, Y.L.; Wang, X.B.; Xing, X.P.; Wei, F.; Li, J.; Wang, L.S., Photoelectron Imaging and Spectroscopy of MI2- (M = Cs, Cu, Au): Evolution from Ionic to Covalent Bonding, J. Phys. Chem. A, 2010, 114, 42, 11244-11251, https://doi.org/10.1021/jp103173d . [all data]

Gusarov, Gorokhov, et al., 1979
Gusarov, A.V.; Gorokhov, L.N.; Pyatenko, A.T.; Sidorova, I.V., Negative ions in the vapors of inorganic compounds, Adv. Mass Spectrom., 1979, 8, 262. [all data]

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]

Benson, Novak, et al., 1987
Benson, J.M.; Novak, I.; Potts, A.W., Photoelectron spectroscopy of the caesium halides using synchrotron radiation, J. Phys. B:, 1987, 20, 6257. [all data]

Viswanathan and Hilpert, 1984
Viswanathan, R.; Hilpert, K., Mass spectrometric study of the vaporization of cesium iodide and thermochemistry of (CsI)2(g) and (CsI)3(g), Ber. Bunsen-Ges. Phys. Chem., 1984, 88, 125. [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]

Smith and Pong, 1975
Smith, J.A.; Pong, W., Ultraviolet photoelectron spectra of cesium halides, Phys. Rev. B:, 1975, 12, 5931. [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]

Berkowitz, Dehmer, et al., 1973
Berkowitz, J.; Dehmer, J.L.; Walker, T.E.H., PES of high-temperature vapors. IV. The cesium halides. Effect of spin-orbit interaction on the photoelectron and mass spectra of the alkali halides, J. Chem. Phys., 1973, 59, 3645. [all data]

Berkowitz, 1969
Berkowitz, J., Photoionization of high-temperature vapors. V. Cesium halides; chemical shift of autoionization, J. Chem. Phys., 1969, 50, 3503. [all data]

Timoshenko and Akopyan, 1974
Timoshenko, M.M.; Akopyan, M.E., Photoelectron spectra of cesium halides, High Energy Chem., 1974, 8, 175, In original 211. [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]

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]


Notes

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