Difluorodisulfane
- Formula: F2S2
- Molecular weight: 102.127
- IUPAC Standard InChI: InChI=1S/F2S2/c1-3-4-2
- IUPAC Standard InChIKey: DKDSFVCSLPKNPV-UHFFFAOYSA-N
- CAS Registry Number: 13709-35-8
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, References, Notes
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to F2S2+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.62 ± 0.02 | PI | Losking and Willner, 1985 | LBLHLM |
| 11.6 ± 0.4 | EI | Wanczek, Lebert, et al., 1972 | LLK |
| 10.68 | PE | Wagner, Bock, et al., 1973 | Vertical value; LLK |
| 10.84 | PE | Wagner, Bock, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| FS+ | 13.8 ± 0.1 | SF | PI | Losking and Willner, 1985 | LBLHLM |
| FS2+ | 12.24 ± 0.02 | F | PI | Losking and Willner, 1985 | LBLHLM |
| FS2+ | 14.0 ± 0.4 | ? | EI | Wanczek, Lebert, et al., 1972 | LLK |
| F2S+ | 16.2 ± 0.4 | ? | EI | Wanczek, Lebert, et al., 1972 | LLK |
| S2+ | 15.53 ± 0.07 | 2F | PI | Losking and Willner, 1985 | LBLHLM |
| S2+ | 17.6 ± 0.4 | ? | EI | Wanczek, Lebert, et al., 1972 | LLK |
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.
Losking and Willner, 1985
Losking, O.; Willner, H.,
Thermochemische daten und photoionisation-massenspektren von SSF2, FSSF, SF3SF und SF3SSF,
Z. Anorg. Allg. Chem., 1985, 530, 169. [all data]
Wanczek, Lebert, et al., 1972
Wanczek, K.-P.; Lebert, K.-H.; Hartmann, H.,
Untersuchung der Ion-Molekul-Reaktionen des Thiothionylfluorids mit Hilfe der Ionen-Cyclotronresonanz-Spektrometrie,
Z. Naturforsch. A:, 1972, 27, 155. [all data]
Wagner, Bock, et al., 1973
Wagner, G.; Bock, H.; Budenz, R.; Seel, F.,
Photoelektronenspektren und Molekuleigenschaften. XIX. FSSF and SSF2,
Chem. Ber., 1973, 106, 1285. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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