Trimethyl thioborate
- Formula: C3H9BS3
- Molecular weight: 152.110
- IUPAC Standard InChIKey: PCFXNRZVDPDCHY-UHFFFAOYSA-N
- CAS Registry Number: 997-49-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Tris(methylthio)borane; Thioboric acid (H3BS3), trimethyl ester; Borane, tris(methylthio)-; Methyl thioborate, (MeS)3B; Thioboric acid, trimethyl ester; Trithioboric acid trimethyl ester; B(SCH3)3; Tris(methylsulfanyl)borane; Trimethyl trithioborate
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Phase change data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 12.9 ± 0.2 | kcal/mol | N/A | Finch, Gardner, et al., 1967 | Based on data from 303. to 493. K. |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.7 | 394. | Dykyj, Svoboda, et al., 1999 | Based on data from 325. to 462. K. |
12.3 | 398. | Finch, Gardner, et al., 1967 | Based on data from 303. to 493. K. |
Gas phase ion energetics data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.24 | EI | Lappert, Litzow, et al., 1970 | RDSH |
8.74 | PE | Kroner, Nolle, et al., 1973 | Vertical value; LLK |
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 30068 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Finch, Gardner, et al., 1967
Finch, Arthur; Gardner, P.J.; Pearn, E.J.; Watts, G.B.,
Thermochemistry of triphenylboron, tricyclohexylboron and some phenylboron halides,
Trans. Faraday Soc., 1967, 63, 1880, https://doi.org/10.1039/tf9676301880
. [all data]
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]
Lappert, Litzow, et al., 1970
Lappert, M.F.; Litzow, M.R.; Pedley, J.B.; Riley, P.N.K.; Spalding, T.R.; Tweedale, A.,
Bonding studies of compounds of boron and the group IV elements. Part III.First ionisation potentials of some simple boron compounds by electron impact and by a new empirical molecular orbital method,
J. Chem. Soc. A, 1970, 2320. [all data]
Kroner, Nolle, et al., 1973
Kroner, J.; Nolle, D.; Noth, H.,
Photoelektronenspektroskopische untersuchungen an bor-verbindungen, I Orbitalreihenfolgen und ladungsdichten in methylthiound methoxyborane,
Z. Naturforsch. B:, 1973, 28, 416. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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