Silicon ion (1+)
- Formula: Si+
- Molecular weight: 28.0850
- IUPAC Standard InChIKey: FSLGCYNKXXIWGJ-UHFFFAOYSA-N
- CAS Registry Number: 14067-07-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Silicon cation
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Ion clustering 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: Robert C. Dunbar
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Clustering reactions
By formula: Si+ + CH3 = (Si+ • CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 98.7 ± 1.4 | kcal/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: (Si+ • CH3) + CH3 = (Si+ • 2CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29. ± 12. | kcal/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: (Si+ • 2CH3) + CH3 = (Si+ • 3CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 122.7 ± 6.0 | kcal/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
By formula: (Si+ • 3CH3) + CH3 = (Si+ • 4CH3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.9 ± 1.4 | kcal/mol | CIDT,BIRD | Lin, Dunbar, et al., 1996 |
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.
Lin, Dunbar, et al., 1996
Lin, C.-Y.; Dunbar, R.C.; Haynes, C.L.; Armentrout, P.B.; Tonner, D.S.; McMahon, T.J.,
The Dissociation Thermochemistry of Tetramethylsilane Ion. Comparative Determination by Thermal Dissociation and Threshold Collisional Dissociation,
J. Phys. Chem., 1996, 100, 50, 19659, https://doi.org/10.1021/jp962523s
. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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