SiCl3 anion
- Formula: Cl3Si-
- Molecular weight: 134.445
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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
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. |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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 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
Go To: Top, Reaction thermochemistry 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.
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
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- 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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