disulphur dibromide
- Formula: Br2S2
- Molecular weight: 223.938
- CAS Registry Number: 13172-31-1
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Phase change 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 12.9 | 380. | Dykyj, Svoboda, et al., 1999 | Based on data from 365. to 503. K. |
Gas phase ion energetics data
Go To: Top, Phase change 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.23 ± 0.03 | PI | Kaufel, Vahl, et al., 1981 | LLK |
| 9.5 | PE | Colton and Rabalais, 1974 | LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| BrS+ | 11.9 ± 0.2 | SBr | PI | Kaufel, Vahl, et al., 1981 | LLK |
| BrS2+ | 10.44 ± 0.03 | Br | PI | Kaufel, Vahl, et al., 1981 | LLK |
| S2+ | 10.39 ± 0.05 | ? | PI | Kaufel, Vahl, et al., 1981 | LLK |
References
Go To: Top, Phase change 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.
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Kaufel, Vahl, et al., 1981
Kaufel, R.; Vahl, G.; Minkwitz, R.; Baumgartel, H.,
Die photoionenspektren von SCl2, S2Cl2 und S2Br2,
Z. Anorg. Allg. Chem., 1981, 481, 207. [all data]
Colton and Rabalais, 1974
Colton, R.J.; Rabalais, J.W.,
Photoelectron electronic absorption spectra of SCl2, S2Cl2, S2Br2 and (CH3)2S2,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 345. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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