Synthesis and Structural Study of Some Pyrimidinium Hexafluoridosilicates

Authors

  • Andrej Pevec University of Ljubljana Faculty of Chemistry and Chemical Technology

DOI:

https://doi.org/10.17344/acsi.2014.1069

Keywords:

hexafluoridosilicate, hydrogen bond, pyrimidinium, cytosine, X‒ray crystal structure

Abstract

The synthesis and spectroscopic characterization of some pyrimidinium hexafluoridosilicate salts with the formula (RH)2[SiF]6 (where R = 2-aminopyrimidine (1), cytosine (2) and 5-cyanocytosine (3)) is obtained in the reaction of SiO2 with hydrofluoric acid solution and subsequent addition of 2-aminopyrimidine, cytosine or 4-amino-2-chloropyrimidine-5-carbonitrile. The crystal structures of 1 and 3 have been determined by single-crystal X‒ray diffraction analysis. The combination of N‒H···F hydrogen bonds along with π‒π interactions between aromatic rings resulted in supramolecular architecture of cations and anions in the solid state.

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Published

15.01.2015

Issue

Vol. 62 No. 2 (2015)

Section

Inorganic chemistry

License

Except where otherwise noted, articles in this journal are published under the Creative Commons Attribution 4.0 International License