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I3 anion


Gas phase 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

Quantity Value Units Method Reference Comment
Deltafgas-262. ± 10.kJ/molR-EATaylor, Asmis, et al., 1999 
Deltafgas<-206.7kJ/molIMRBHogness and Harkness, 1928I2- + I2 -> First negative ion/molecule reaction reported.
Deltafgas-482.00kJ/molLattFinch, Gates, et al., 1977This value is far more bound than expected from other studies

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Ion clustering data, References, Notes

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 + Iodine = I3-

By formula: I- + I2 = I3-

Quantity Value Units Method Reference Comment
Deltar136. ± 10.kJ/molN/ATaylor, Asmis, et al., 1999gas phase
Deltar126. ± 5.9kJ/molCIDTDo, Klein, et al., 1997gas phase
Deltar356.1kJ/molTherFinch, Gates, et al., 1977gas phase; This value is far more bound than expected from other studies
Deltar136.4kJ/molN/ACheck, Faust, et al., 2001gas phase; FeF3-(t); ; «DELTA»S(EA)=2.8
Quantity Value Units Method Reference Comment
Deltar94.14kJ/molN/ACheck, Faust, et al., 2001gas phase; FeF3-(t); ; «DELTA»S(EA)=2.8

I3- + Iodine = (I3- bullet Iodine)

By formula: I3- + I2 = (I3- bullet I2)

Quantity Value Units Method Reference Comment
Deltar49.0 ± 5.9kJ/molCIDTDo, Klein, et al., 1997gas phase

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, References, Notes

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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
4.226 ± 0.013LPESTaylor, Asmis, et al., 1999 
4.24999LPESZanni, Greenblatt, et al., 1999Stated electron affinity is the Vertical Detachment Energy
4.347992N/ACheck, Faust, et al., 2001FeF3-(t); ; «DELTA»S(EA)=2.8

Ion clustering data

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

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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Iodide + Iodine = I3-

By formula: I- + I2 = I3-

Quantity Value Units Method Reference Comment
Deltar136. ± 10.kJ/molN/ATaylor, Asmis, et al., 1999gas phase
Deltar126. ± 5.9kJ/molCIDTDo, Klein, et al., 1997gas phase
Deltar356.1kJ/molTherFinch, Gates, et al., 1977gas phase; This value is far more bound than expected from other studies
Deltar136.4kJ/molN/ACheck, Faust, et al., 2001gas phase; FeF3-(t); ; «DELTA»S(EA)=2.8
Quantity Value Units Method Reference Comment
Deltar94.14kJ/molN/ACheck, Faust, et al., 2001gas phase; FeF3-(t); ; «DELTA»S(EA)=2.8

I3- + Iodine = (I3- bullet Iodine)

By formula: I3- + I2 = (I3- bullet I2)

Quantity Value Units Method Reference Comment
Deltar49.0 ± 5.9kJ/molCIDTDo, Klein, et al., 1997gas phase

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

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

Taylor, Asmis, et al., 1999
Taylor, T.R.; Asmis, K.R.; Zanni, M.T.; Neumark, D.M., Characterization of the I-3 radical by anion photoelectron spectroscopy, J. Chem. Phys., 1999, 110, 16, 7607-7609, https://doi.org/10.1063/1.478672 . [all data]

Hogness and Harkness, 1928
Hogness, T.R.; Harkness, R.W., The Ionization Processes of Iodine Interpreted by the Mass Spectrograph, Phys. Rev., 1928, 32, 5, 784, https://doi.org/10.1103/PhysRev.32.784 . [all data]

Finch, Gates, et al., 1977
Finch, A.; Gates, P.N.; Peake, S.J., Thermochemistry of polyhalides. III. Cesium and rubidium tetrachloroiodates, J. Inorg. Nucl. Chem., 1977, 39, 2135. [all data]

Do, Klein, et al., 1997
Do, K.; Klein, T.P.; Pommerening, C.A.; Sunderlin, L.S., A New Flowing Afterglow-Guided Ion Beam Tandem Mass Spectrometer. Applications to the Thermochemistry of Polyiodide Ions, J. Am. Soc. Mass Spectrom., 1997, 8, 7, 688, https://doi.org/10.1016/S1044-0305(97)00116-5 . [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Zanni, Greenblatt, et al., 1999
Zanni, M.T.; Greenblatt, B.J.; Davis, A.V.; Neumark, D.M., Photodissociation of gas phase I-3(-) using femtosecond photoelectron spectroscopy, J. Chem. Phys., 1999, 111, 7, 2991-3003, https://doi.org/10.1063/1.479660 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References