dysprosium triiodide
- Formula: DyI3
- Molecular weight: 543.213
- CAS Registry Number: 15474-63-2
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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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.6 ± 0.2 | EI | Hirayama and Castle, 1973 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Dy+ | 16.4 ± 0.2 | 3I | EI | Hirayama and Castle, 1973 | |
| IDy+ | 13.1 ± 0.2 | 2I | EI | Hirayama and Castle, 1973 | |
| I2Dy+ | 10.5 ± 0.2 | I | EI | Hirayama and Castle, 1973 |
Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: DyI4- + DyI3 = Dy2I7-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 45.20 ± 0.60 | kcal/mol | TDAs | Lelik, Korobov, et al., 1984 | gas phase; reworked from reference due to better dHf(DyI3); value altered from reference due to conversion from electron convention to ion convention |
+ DyI3 = (
• DyI3)
By formula: I- + DyI3 = (I- • DyI3)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 66.7 ± 2.0 | kcal/mol | TDAs | Lelik, Korobov, et al., 1984 | gas phase; anion heat reworked from reference due to better dHf(DyI3); value altered from reference due to conversion from electron convention to ion convention |
References
Go To: Top, 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.
Hirayama and Castle, 1973
Hirayama, C.; Castle, P.M.,
Mass spectra of rare earth triiodides,
J. Phys. Chem., 1973, 77, 3110. [all data]
Lelik, Korobov, et al., 1984
Lelik, L.; Korobov, M.V.; Kaposi, O.; Sidorov, L.N.,
Negative Ions in the Gas Phase of Dysprosium Triiodide and of the CsI-DyI3 and CsI-NaI-DyI3 Systems,
Russ. J. Phys. Chem., 1984, 58, 1164. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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