Arsenic monohydride
- Formula: AsH
- Molecular weight: 75.92954
- IUPAC Standard InChI: InChI=1S/AsH/h1H
- IUPAC Standard InChIKey: UIESIEAPEWREMY-UHFFFAOYSA-N
- CAS Registry Number: 12628-08-9
- Chemical structure:
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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 as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
View reactions leading to HAs+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.00 ± 0.10 | PD | Rackwitz, Feldman, et al., 1977 | B |
| <1.09997 | IMRB | Ebinghaus, Kraus, et al., 1964 | From AsH3; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.641 ± 0.008 | PI | Berkowitz, 1988 | LL |
De-protonation reactions
As- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1508.1 ± 2.9 | kJ/mol | D-EA | Walter, Gibson, et al., 2009 | gas phase; B |
References
Go To: Top, 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.
Rackwitz, Feldman, et al., 1977
Rackwitz, R.; Feldman, D.; Kaiser, H.J.; Heincke, E.,
Photodetachment bei einigen zweiatomigen negativen hydridionen: BeH-, MgH-, CaH-, ZnH-, PH-, AsH-,
Z. Naturforsch. A:, 1977, 32, 594. [all data]
Ebinghaus, Kraus, et al., 1964
Ebinghaus, H.; Kraus, K.; Neuert, H.; Muller-Duysing, W.,
Negative Ionen durch Elecktronenresonanzeinfang in PH3, AsH3, und SiH4,
Z. Naturfor., 1964, 19A, 732. [all data]
Berkowitz, 1988
Berkowitz, J.,
Photoionization mass spectrometric studies of AsHn(n=1-3),
J. Chem. Phys., 1988, 89, 7065. [all data]
Walter, Gibson, et al., 2009
Walter, C.W.; Gibson, N.D.; Field, R.L.; Snedden, A.P.; Shapiro, J.Z.; Janczak, C.M.; Hanstorp, D.,
Electron affinity of arsenic and the fine structure of As- measured using infrared photodetachment threshold spectroscopy,
Phys. Rev. A, 2009, 80, 1, 014501, https://doi.org/10.1103/PhysRevA.80.014501
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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