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6764643 
Journal Article 
SYNTHESIS AND CRYSTAL AND MOLECULAR-STRUCTURE OF TETRAFLUORO[2-(PYRROLIDINIO)ETHYL]SILICATE 
Tacke, R; Lopezmras, A; Becht, J; Sheldrick, WS; , 
1993 
1 
Zeitschrift fuer Anorganische und Allgemeine Chemie
ISSN: 0044-2313 
JOHANN AMBROSIUS BARTH VERLAG 
HEIDELBERG 
1012-1016 
WOS:A1993LF67300009 
The zwitterionic tetrafluoro[2-(pyrrolidinio)ethyl]silicate (4) was synthesized by reaction of trimethoxy(2-pyrrolidinoethyl)silane (5) with hydrogen fluoride in ethanol/hydrofluoric acid at 0-degrees-C. The crystal and molecular structure of 4 was studied at - 100-degrees-C by single-crystal X-ray diffraction. In addition, 4 was characterized by solution-state NMR studies (CD3CN: H-1, C-13).