1,6-Dicarbahexaborane(6)
- Formula: C2H6B4
- Molecular weight: 73.313
- CAS Registry Number: 20693-67-8
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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 sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 7.46 | 198. | A | Stephenson and Malanowski, 1987 | Based on data from 190. to 209. K. |
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
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Individual Reactions
C2H5B4- + = C2H6B4
By formula: C2H5B4- + H+ = C2H6B4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | <452.00 | kcal/mol | EIAE | Onak, Howard, et al., 1973 | gas phase; From closo-1,6-C2B4H6. G3MP2B3 calculations indicate a dHacid ca. 378 kcal/mol. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Onak, Howard, et al., 1973
Onak, T.; Howard, J.; Brown, C.,
Negative Ion Mass Spectrometry of closo-Carboranes, J. Chem. Soc. Dalton 76, 1973. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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