I3 anion
- Formula: I3-
- Molecular weight: 380.71396
- Information on this page:
- Other data available:
- Options:
Gas phase thermochemistry data
Go To: Top, 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -62.5 ± 2.4 | kcal/mol | R-EA | Taylor, Asmis, et al., 1999 | |
| ΔfH°gas | <-49.40 | kcal/mol | IMRB | Hogness and Harkness, 1928 | I2- + I2 -> First negative ion/molecule reaction reported. |
| ΔfH°gas | -115.20 | kcal/mol | Latt | Finch, Gates, et al., 1977 | This value is far more bound than expected from other studies |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry 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 ± 0.013 | LPES | Taylor, Asmis, et al., 1999 | |
| 4.24999 | LPES | Zanni, Greenblatt, et al., 1999 | Stated electron affinity is the Vertical Detachment Energy |
| 4.347992 | N/A | Check, Faust, et al., 2001 | FeF3-(t); ; ΔS(EA)=2.8 |
References
Go To: Top, Gas phase thermochemistry data, 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.
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]
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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.