Thermodynamische Interpretation der Schmelzdiagramme binärer Systeme aus Methylchlorsilanen und Pyridazin bzw. Pyrazin
Thermodynamic interpretation of the phase diagrams of the binary systems of chloromethylsilanes and pyridazine respectively pyrazine
- By analyzing the cooling curves and the resulting melting point diagrams of the chloromethylsilane- pyridazine and pyrazine systems the existence of the incongruently melting addition compounds CH3SiCl3 • Pyridazine, (CH3)2SiCl2 • (Pyridazine)2, (CH3)3SiCl • (Pyridazine)2, CH3SiCl3 • (Pyrazine)2, (CH3)2SiCl2 • (Pyrazine)2 , (CH3)3SiCl • (Pyrazine)2 was proved. By electro-optical measurements of the turbidity point it was proved that the system (CH3)3SiCl- Pyridazine exhibits a miscibility gap which intersects the liquidus curve of the amine. Based on certain approximations it was possible to fit thermodynamic functions to the experimental results to obtain the excess data of mixing of the corresponding systems. These data allow for a more profound understanding of the Lewis-acid base behaviour of the silanes and amines.
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| Author: | Karl Hensen, Jens Gaede |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-735241 |
| DOI: | https://doi.org/10.1515/zna-1987-0402 |
| ISSN: | 1865-7109 |
| Parent Title (German): | Zeitschrift für Naturforschung, A |
| Publisher: | Verlag der Zeitschrift für Naturforschung |
| Place of publication: | Tübingen |
| Document Type: | Article |
| Language: | German |
| Date of Publication (online): | 2014/06/02 |
| Year of first Publication: | 1987 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Release Date: | 2023/06/19 |
| Tag: | Addition Compounds; Chloromethylsilanes; Phase Diagrams; Pyrazine; Pyridazine; Thermodynamic Excess Functions |
| Volume: | 42 |
| Page Number: | 11 |
| First Page: | 341 |
| Last Page: | 351 |
| HeBIS-PPN: | 51006020X |
| Institutes: | Biochemie, Chemie und Pharmazie / Biochemie und Chemie |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0 |
