Acta Chimica Slovenica 2015-01-01

Synthesis and Structural Study of Some Pyrimidinium Hexafluoridosilicates.

Andrej Pevec

Index: Acta Chim. Slov. 62 , 297-303, (2015)

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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.

Related Compounds

  • HYDROFLUORIC...
  • 2-Aminopyrimidine
  • 4-amino-2-chloropy...
  • cytosine

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