holmium triiodide
- Formula: HoI3
- Molecular weight: 545.64373
- CAS Registry Number: 13813-41-7
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Ion clustering data, NIST Free Links, 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
By formula: I- + HoI3 = (I- • HoI3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 288.7 | kJ/mol | TDAs | Bencze, Kaposi, et al., 1988 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention |
By formula: HoI4- + HoI3 = Ho2I7-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 190.0 | kJ/mol | TDAs | Bencze, Kaposi, et al., 1988 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; 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
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.6 ± 0.3 | EI | Ajtony, Balthazarne, et al., 1987 | LBLHLM |
9.2 ± 0.2 | EI | Hirayama and Castle, 1973 | LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
Ho+ | 16.2 ± 0.3 | I2+I | EI | Ajtony, Balthazarne, et al., 1987 | LBLHLM |
Ho+ | 16.7 ± 0.2 | 3I | EI | Hirayama and Castle, 1973 | LLK |
HoI+ | 13.0 ± 0.3 | I2 | EI | Ajtony, Balthazarne, et al., 1987 | LBLHLM |
IHo+ | 13.2 ± 0.2 | 2I | EI | Hirayama and Castle, 1973 | LLK |
HoI2+ | 10.4 ± 0.3 | I | EI | Ajtony, Balthazarne, et al., 1987 | LBLHLM |
I2Ho+ | 10.4 ± 0.2 | I | EI | Hirayama and Castle, 1973 | LLK |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, 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
By formula: HoI4- + HoI3 = Ho2I7-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 190.0 | kJ/mol | TDAs | Bencze, Kaposi, et al., 1988 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention |
By formula: I- + HoI3 = (I- • HoI3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 288.7 | kJ/mol | TDAs | Bencze, Kaposi, et al., 1988 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bencze, Kaposi, et al., 1988
Bencze, L.; Kaposi, O.; Popovic, A.; Borshchevsky, Ya.A.; Sidorov, L.N.,
Molecule-Molecule and Negative Ion-Molecule Equilibria in the Saturated Vapor above CsI-HoI3 Mixtures,
High Temp. Sci., 1988, 25, 199. [all data]
Pramann and Rademann, 1999
Pramann, A.; Rademann, K.,
Mass-spectrometric study of formation and stability of manganese and manganese oxide cluster anions,
Int. J. Mass Spectrom., 1999, 187, 673-683, https://doi.org/10.1016/S1387-3806(98)14197-0
. [all data]
Ajtony, Balthazarne, et al., 1987
Ajtony, Z.; Balthazarne, V.K.; Kaposi, O.,
A HoI, parolgasi termodinamikajanak tomegspektrometrias vizsgalata,
Magy. Kem. Foly., 1987, 93, 219. [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, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, 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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