Synthesis and Structure of Dicyclohexylammonium Tri-tert-pentoxysilanethiolate and 5-Aminopentylammonium Tri-tert-pentoxysilanethiolate

Tri–tert–pentoxysilanethiol, (EtMe2CO)3SiSH, reacts with dicyclohexylamine and 1,5–diaminopentane yielding ion‐quadruples connected by hydrogen bonds: [{(C6H11)2NH2}+{(EtMe2CO)3SiS}−]2 (1) and [{H2N–C5H10–NH3}+{(EtMe2CO)3SiS}−]2 (2). The compounds were characterized by X–ray diffraction, elemental a...

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Veröffentlicht in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2006-05, Vol.632 (6), p.1086-1090
Hauptverfasser: Baranowska, K., Chojnacki, J., Gosiewska, M., Wojnowski, W.
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Sprache:eng
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Zusammenfassung:Tri–tert–pentoxysilanethiol, (EtMe2CO)3SiSH, reacts with dicyclohexylamine and 1,5–diaminopentane yielding ion‐quadruples connected by hydrogen bonds: [{(C6H11)2NH2}+{(EtMe2CO)3SiS}−]2 (1) and [{H2N–C5H10–NH3}+{(EtMe2CO)3SiS}−]2 (2). The compounds were characterized by X–ray diffraction, elemental analysis, IR and NMR. Both compounds form dimers, composed of two thiolate anions and two ammonium cations. The dimers have a central core of eight–membered rings built due to the formation of four charge–assisted N+–H···−S–hydrogen bonds. Additional N+–H···N hydrogen bonds are found in the case of 2, linking the dimers into infinite two–dimensional sheets.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200600010