cerium triiodide
- Formula: CeI3
- Molecular weight: 520.829
- CAS Registry Number: 7790-87-6
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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 |
|---|---|---|---|---|---|
| ΔsubH° | 70.5 ± 2.4 | kcal/mol | TE | Villani, Brunetti, et al., 2000 | Based on data from 910. to 1031. K. |
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
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| >0.29999 | IMRB | Chantry, 1976 | CeI2- + CeI3 ->.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.7 | PE | Ruscic, Goodman, et al., 1983 | LBLHLM |
| 9.1 ± 0.1 | EI | Chantry, 1976, 2 | LLK |
| 9.6 ± 0.5 | EI | Hirayama and Castle, 1973 | LLK |
| 9.71 | PE | Ruscic, Goodman, et al., 1983 | Vertical value; LBLHLM |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ce+ | 16.75 ± 0.15 | ? | EI | Chantry, 1976, 2 | LLK |
| Ce+ | 17.7 ± 0.5 | 3I | EI | Hirayama and Castle, 1973 | LLK |
| ICe+ | 13.15 ± 0.15 | I2? | EI | Chantry, 1976, 2 | LLK |
| ICe+ | 13.6 ± 0.5 | 2I | EI | Hirayama and Castle, 1973 | LLK |
| I2Ce+ | 9.6 ± 0.1 | I | EI | Chantry, 1976, 2 | LLK |
| I2Ce+ | 9.7 ± 0.5 | I | EI | Hirayama and Castle, 1973 | LLK |
References
Go To: Top, Phase change 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.
Villani, Brunetti, et al., 2000
Villani, Anna Rita; Brunetti, Bruno; Piacente, Vincenzo,
Vapor Pressure and Enthalpies of Vaporization of Cerium Trichloride, Tribromide, and Triiodide,
J. Chem. Eng. Data, 2000, 45, 5, 823-828, https://doi.org/10.1021/je000035e
. [all data]
Chantry, 1976
Chantry, P.J.,
Negative Ion Formation in Cerium Triiodide,
J. Chem. Phys., 1976, 65, 11, 4412, https://doi.org/10.1063/1.432992
. [all data]
Ruscic, Goodman, et al., 1983
Ruscic, B.; Goodman, G.L.; Berkowitz, J.,
Photoelectron spectra of the lanthanide trihalides and their interpretation,
J. Chem. Phys., 1983, 78, 5443. [all data]
Chantry, 1976, 2
Chantry, P.J.,
Positive ion appearance potentials measured in CeI3,
J. Chem. Phys., 1976, 65, 4421. [all data]
Hirayama and Castle, 1973
Hirayama, C.; Castle, P.M.,
Mass spectra of rare earth triiodides,
J. Phys. Chem., 1973, 77, 3110. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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