Krypton cation
- Formula: Kr+
- Molecular weight: 83.797
- CAS Registry Number: 16915-28-9
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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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°gas,1 bar | 175.61 | J/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1982 |
Reaction thermochemistry 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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: Kr+ + Kr = (Kr+ • Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 111. | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase |
ΔrH° | 110. | kJ/mol | PDiss | Abouaf, Huber, et al., 1978 | gas phase |
ΔrH° | 111. | kJ/mol | PI | Ng, Trevor, et al., 1977 | gas phase |
ΔrH° | 117. | kJ/mol | SCATTERING | Mittman and Weise, 1974 | gas phase |
By formula: (Kr+ • 2Kr) + Kr = (Kr+ • 3Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.3 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 74.5 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Kr+ • 3Kr) + Kr = (Kr+ • 4Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.04 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 62.3 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Kr+ • 4Kr) + Kr = (Kr+ • 5Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.58 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 65.7 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Kr+ • 5Kr) + Kr = (Kr+ • 6Kr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.54 ± 0.63 | kJ/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 65.7 | J/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: Kr+ + CO2 = (Kr+ • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79. ± 3. | kJ/mol | SIFT | Praxmarer, Jordan, et al., 1993 | gas phase; switching reaction(Kr+)Kr; Wadt, 1978, Radzig and Smirnov, 1985 |
By formula: Kr+ + CO = (Kr+ • CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 103. ± 7.5 | kJ/mol | SIFT | Praxmarer, Jordan, et al., 1993 | gas phase; switching reaction(Kr+)Kr; Wadt, 1978, Radzig and Smirnov, 1985 |
By formula: Kr+ + Ar = (Kr+ • Ar)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.0 | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase |
ΔrH° | 56.9 | kJ/mol | PI | Ng, Tiedemann, et al., 1977 | gas phase |
By formula: Kr+ + Ne = (Kr+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.31 | kJ/mol | PI | Dehmer and Pratt, 1982 | gas phase |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Dehmer and Pratt, 1982
Dehmer, P.M.; Pratt, S.T.,
Photoionization of ArKr, ArXe, and KrXe and bond dissociation energies of the rare gas dimer ions,
J. Chem. Phys., 1982, 77, 4804. [all data]
Abouaf, Huber, et al., 1978
Abouaf, R.; Huber, B.A.; Cosby, P.C.; Saxon, R.P.; Moseley, J.T.,
Photofragment Spectroscopy and Potential Curves of Kr2+,
J. Chem. Phys., 1978, 68, 5, 2406, https://doi.org/10.1063/1.436011
. [all data]
Ng, Trevor, et al., 1977
Ng, C.Y.; Trevor, D.J.; Mahan, B.H.; Lee, Y.T.,
Photoionization Studies of the Kr2 and Ar2 van der Vaals Molecules,
J. Chem. Phys., 1977, 66, 2, 446, https://doi.org/10.1063/1.433989
. [all data]
Mittman and Weise, 1974
Mittman, H.U.; Weise, H.P.,
Scattering of Ions V. Elastic Scattering of the Symmetric Rare Gas Ion - Rare Gas Atom Systems,
Z. Naturforsch., 1974, A29, 400. [all data]
Hiraoka and Mori, 1990
Hiraoka, K.; Mori, T.,
Stability of Rare - Gas Cluster Ions,
J. Chem. Phys., 1990, 92, 7, 4408, https://doi.org/10.1063/1.457751
. [all data]
Praxmarer, Jordan, et al., 1993
Praxmarer, C. Hansel; Jordan, A.; Kraus, H.; Lindinger, W.,
Reactions of Kr2+ with Various Neutrals,
Int.J. Mass Spectrom. Ion. Proc., 1993, 129, 121, https://doi.org/10.1016/0168-1176(93)87036-R
. [all data]
Wadt, 1978
Wadt, W.R.,
The Electronic States of Ar2+, Kr2+, Xe2+. I. Potential Curves with and without Spin-Orbit Coupling,
J. Chem. Phys., 1978, 68, 2, 402, https://doi.org/10.1063/1.435773
. [all data]
Radzig and Smirnov, 1985
Radzig, R.; Smirnov, B.M.,
Reference Data on Atoms in Molecules and Ions, Springer, Berlin, 1985. [all data]
Ng, Tiedemann, et al., 1977
Ng, C.Y.; Tiedemann, P.W.; Mahan, B.H.; Lee, Y.T.,
Photoionization Studies of the Diatomic Internuclear Rare Gas Molecules XeKr, XeAr, and KrAr,
J. Chem. Phys., 1977, 66, 12, 5737, https://doi.org/10.1063/1.433848
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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