H2F+
- Formula: FH2+
- Molecular weight: 21.01373
- CAS Registry Number: 12206-67-6
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Reaction 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.
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: (H2F+ • HF) + HF = (H2F+ • 2HF)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.8 ± 4.2 | kcal/mol | PI | Tiedemann, Anderson, et al., 1979 | gas phase |
By formula: H2F+ + HF = (H2F+ • HF)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.5 | kcal/mol | PI | Tiedemann, Anderson, et al., 1979 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: H2F+ + HF = (H2F+ • HF)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.1 ± 2.5 | kcal/mol | PI | Tiedemann, Anderson, et al., 1979 | gas phase |
By formula: (H2F+ • HF) + HF = (H2F+ • 2HF)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.8 ± 4.2 | kcal/mol | PI | Tiedemann, Anderson, et al., 1979 | gas phase |
Vibrational and/or electronic energy levels
Go To: Top, Reaction thermochemistry data, Ion clustering 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: Marilyn E. Jacox
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | Sym. stretch | 3348.71 | gas | CC | Schafer and Saykally, 1984 Schafer and Saykally, 1984, 2 | |
b2 | 3 | Asym. stretch | 3334.69 | gas | CC | Schafer and Saykally, 1984 Schafer and Saykally, 1984, 2 | |
Additional references: Jacox, 1994, page 26; Amano, Matsushima, et al., 2012
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tiedemann, Anderson, et al., 1979
Tiedemann, P.W.; Anderson, S.L.; Ceyer, S.T.; Hirooka, T.; Ng, C.Y.; Mahan, B.H.; Lee, Y.T.,
Proton affinities of hydrogen halides determined by the molecular beam photoionization method,
J. Chem. Phys., 1979, 71, 605. [all data]
Schafer and Saykally, 1984
Schafer, E.; Saykally, R.J.,
Velocity modulation infrared laser spectroscopy of molecular ions: The ν1 and ν3 bands of fluoronium (H2F+),
J. Chem. Phys., 1984, 80, 6, 2973, https://doi.org/10.1063/1.447007
. [all data]
Schafer and Saykally, 1984, 2
Schafer, E.; Saykally, R.J.,
The high resolution infrared spectrum and molecular structure of the superacid H2F+ by velocity modulation laser absorption spectroscopy,
J. Chem. Phys., 1984, 81, 10, 4189, https://doi.org/10.1063/1.447449
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Amano, Matsushima, et al., 2012
Amano, T.; Matsushima, F.; Shiraishi, T.; Shinozuka, C.; Fujimori, R.; Kawaguchi, K.,
THz rotational spectrum of H2F+,
J. Chem. Phys., 2012, 137, 13, 134308, https://doi.org/10.1063/1.4757018
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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