SiCl3 anion
- Formula: Cl3Si-
- Molecular weight: 134.445
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Gas phase ion energetics 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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| >2.00108 | EIAE | Pabst, Margrave, et al., 1977 | From SiCl4. G3MP2B3 calculations indicate an EA of ca. 3.0 eV. |
| 3.47 ± 0.43 | EIAE | Jaeger and Henglein, 1968 | From SiCl4. G3MP2B3 calculations indicate an EA of ca. 3.0 eV. |
Protonation reactions
Cl3Si- + =
By formula: Cl3Si- + H+ = HCl3Si
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | <1510. ± 10. | kJ/mol | D-EA | Pabst, Margrave, et al., 1977 | gas phase; From SiCl4. G3MP2B3 calculations indicate an EA of ca. 3.0 eV. |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | <1478. ± 10. | kJ/mol | H-TS | Pabst, Margrave, et al., 1977 | gas phase; From SiCl4. G3MP2B3 calculations indicate an EA of ca. 3.0 eV. |
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.
Pabst, Margrave, et al., 1977
Pabst, R.E.; Margrave, J.L.; Franklin, J.L.,
Electron impact studies of the tetrachlorides and tetrabromides of silicon and germanium,
Int. J. Mass Spectrom. Ion Phys., 1977, 25, 361. [all data]
Jaeger and Henglein, 1968
Jaeger, K.; Henglein, A.,
Die Bildung negativer Ionen aus SiCl4 und organischen Siliciumchloriden durch Elektronenstoss,
Z. Naturfor., 1968, 23A, 1122. [all data]
Notes
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- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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