HSS anion
- Formula: HS2-
- Molecular weight: 65.138
- CAS Registry Number: 26693-74-3
- Information on this page:
- Other data available:
- Options:
Gas phase ion energetics data
Go To: Top, 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: John E. Bartmess
Electron affinity of neutral species
EAneutral (eV) | Method | Reference | Comment |
---|---|---|---|
1.916 ± 0.015 | N/A | Entfellner and Boesl, 2009 | |
1.907 ± 0.023 | LPES | Moran and Ellison, 1988 |
Protonation reactions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 345.8 ± 3.6 | kcal/mol | D-EA | Entfellner and Boesl, 2009 | gas phase |
ΔrH° | 346.0 ± 3.1 | kcal/mol | G+TS | Ohair, Depuy, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 338.8 ± 3.7 | kcal/mol | H-TS | Entfellner and Boesl, 2009 | gas phase |
ΔrG° | 339.0 ± 3.0 | kcal/mol | IMRB | Ohair, Depuy, et al., 1993 | gas phase |
Ion clustering data
Go To: Top, Gas phase ion energetics 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: 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: (HS2- • 4294967295S2) + S2 = HS2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 81.6 ± 3.7 | kcal/mol | N/A | Entfellner and Boesl, 2009 | gas phase |
ΔrH° | 46.7 ± 3.7 | kcal/mol | Ther | Moran and Ellison, 1988 | gas phase |
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.
Entfellner and Boesl, 2009
Entfellner, M.; Boesl, U.,
Photodetachment-photoelectron spectroscopy of disulfanide: the ground and first excited electronic state of HS2 and DS2,
Phys. Chem. Chem. Phys., 2009, 11, 15, 2657-2662, https://doi.org/10.1039/b820174a
. [all data]
Moran and Ellison, 1988
Moran, S.; Ellison, G.B.,
Photoelectron Spectroscopy of Sulfur Ions,
J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021
. [all data]
Ohair, Depuy, et al., 1993
Ohair, R.A.J.; Depuy, C.H.; Bierbaum, V.M.,
Gas-Phase Chemistry and Thermochemistry of the Hydroxysulfide Anion, HOS-,
J. Phys. Chem., 1993, 97, 30, 7955, https://doi.org/10.1021/j100132a026
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.