HSS anion
- Formula: HS2-
- Molecular weight: 65.138
- CAS Registry Number: 26693-74-3
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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: 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1447. ± 15. | kJ/mol | D-EA | Entfellner and Boesl, 2009 | gas phase |
ΔrH° | 1448. ± 13. | kJ/mol | G+TS | Ohair, Depuy, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1418. ± 15. | kJ/mol | H-TS | Entfellner and Boesl, 2009 | gas phase |
ΔrG° | 1418. ± 13. | kJ/mol | IMRB | Ohair, Depuy, et al., 1993 | gas phase |
By formula: (HS2- • 4294967295S2) + S2 = HS2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 341. ± 15. | kJ/mol | N/A | Entfellner and Boesl, 2009 | gas phase |
ΔrH° | 195. ± 15. | kJ/mol | Ther | Moran and Ellison, 1988 | gas phase |
Gas phase ion energetics 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: 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° | 1447. ± 15. | kJ/mol | D-EA | Entfellner and Boesl, 2009 | gas phase |
ΔrH° | 1448. ± 13. | kJ/mol | G+TS | Ohair, Depuy, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1418. ± 15. | kJ/mol | H-TS | Entfellner and Boesl, 2009 | gas phase |
ΔrG° | 1418. ± 13. | kJ/mol | IMRB | Ohair, Depuy, et al., 1993 | gas phase |
Vibrational and/or electronic energy levels
Go To: Top, Reaction thermochemistry data, 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: Marilyn E. Jacox
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 15460 ± 120 | gas | Moran and Ellison, 1988 | |||||
Entfellner and Boesl, 2009, 2 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a' | 3 | SS stretch | 610 ± 80 | gas | PE | Moran and Ellison, 1988 | |
Additional references: Jacox, 1994, page 53
Notes
d | Photodissociation threshold |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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.
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]
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]
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]
Entfellner and Boesl, 2009, 2
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, https://doi.org/10.1039/b820174a
. [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]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, 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
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