Compensation effect in trichlorosilane synthesis
| Autor: | Jörg Acker, Klaus Bohmhammel |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
Organic Chemistry
Inorganic chemistry Thermodynamics Activation energy Calorimetry Biochemistry Isothermal process Inorganic Chemistry Reaction rate chemistry.chemical_compound Transition metal chemistry Trichlorosilane Chemisorption Materials Chemistry Physical and Theoretical Chemistry Hydrogen chloride |
| Zdroj: | Journal of Organometallic Chemistry. 686:151-157 |
| ISSN: | 0022-328X |
| DOI: | 10.1016/s0022-328x(03)00610-7 |
| Popis: | In a recent publication [J. Acker, K. Bohmhammel, J. Phys. Chem. B 106 (2002) 5105], the reactions between transition metal silicides and hydrogen chloride were studied by isothermal calorimetric measurements. The obtained apparent activation energies and pre-exponential factors show clearly a linear dependence that is attributed to the compensation effect. An isokinetic temperature of 696.9±22.1 K was determined. According to Larsson's model of selective energy transfer, a characteristic frequency of 969.3±46.5 cm −1 is calculated. The occurrence of the compensation effect is discussed in terms of chemisorption, precursor formation, and the involvement of surface species in essential reaction steps. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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