SO2..SO2 radical anion
- Formula: O4S2-
- Molecular weight: 128.128
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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.
Data compiled by: John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -800.9 ± 1.2 | kJ/mol | Ther | Keesee, Lee, et al., 1980 |
Gas phase ion energetics 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: John E. Bartmess
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.910 ± 0.050 | LPD | Dresch, Kramer, et al., 1991 | Both dissociation and electron detachment? |
| 1.90 ± 0.20 | LPES | Snodgrass, Coe, et al., 1988 | Appears to be dissociation + electron detachment |
| <2.760 ± 0.020 | LPES | Tsukuda, Hirose, et al., 1997 | Stated electron affinity is the Vertical Detachment Energy |
| 2.50 ± 0.20 | NBAE | Bowen, Liesegang, et al., 1983 |
References
Go To: Top, Gas phase thermochemistry data, 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.
Keesee, Lee, et al., 1980
Keesee, R.G.; Lee, N.; Castleman, A.W., Jr.,
Properties of clusters in the gas phase: V. Complexes of neutral molecules onto negative ions,
J. Chem. Phys., 1980, 73, 2195. [all data]
Dresch, Kramer, et al., 1991
Dresch, T.; Kramer, H.; Thurner, Y.; Weber, R.,
Photoelectrons from Negative Dimers and Clusters of Sulfur Dioxide,
Chem. Phys. Lett., 1991, 177, 4-5, 383, https://doi.org/10.1016/0009-2614(91)85070-D
. [all data]
Snodgrass, Coe, et al., 1988
Snodgrass, J.T.; Coe, J.V.; Friedhoff, C.B.; McHugh, K.M.; Bowen, K.H.,
On the Photodissociation of (SO2)2-,
J. Chem. Phys., 1988, 88, 12, 8014, https://doi.org/10.1063/1.454261
. [all data]
Tsukuda, Hirose, et al., 1997
Tsukuda, T.; Hirose, T.; Nagata, T.,
Electronic Structures of (SO2)n- as Studied by Photoelectron Spectroscopy,
Int. J. Mass Spectrom. Ion Proc., 1997, 171, 1-3, 273, https://doi.org/10.1016/S0168-1176(97)00240-1
. [all data]
Bowen, Liesegang, et al., 1983
Bowen, K.H.; Liesegang, G.W.; Sanders, R.A.; Herschbach, D.W.,
Electron Attachment to Molecular Clusters by Collisional Charge Transfer,
J. Phys. Chem., 1983, 87, 4, 557-565, https://doi.org/10.1021/j100227a009
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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