Synthesis, IR spectra, thermal analysis and crystal structures of bis(saccharinato)mercury(II) complexes with 2-aminomethylpyridine and 2-aminoethylpyridine

V T Yilmaz, S Caglar, W T A Harrison

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Abstract

Two bis(saccharinato) (sac) complexes of mercury(II) with 2-aminomethylpyridine (ampy) and 2-aminoethylpyridine (aepy) were synthesized and characterized by means of elemental analysis, FT-IR spectroscopy and thermal analysis and single crystal X-ray diffraction. trans-[Hg(sac)(2)(ampy)(2)] (1) crystallizes in the monoclinic space group P2(1)/c [a = 10.8274(4), b = 16.4903(6), c = 7.7889(3) Angstrom; beta = 99.500(1)degrees] and [Hg(sac)(2)(aepy)] (2) also crystallizes monoclinic in space group P2(1)/n [a = 9.0423(4), b = 14.0594(6), c = 18.0146(8) Angstrom; beta = 98.806(1)degrees]. Both 1 and 2 consist of neutral monomeric units. The mercury(II) ion in 1 lies on an inversion centre and exhibit distorted octahedral coordination by two sac anions and two ampy ligands, whereas the mercury(II) ion in 2 is tetrahedrally coordinated by an aepy and two sac ligands. The sac ligands in both complexes are N-coordinated, while the ampy and aepy ligands act as a bidentate ligand forming two symmetrically chelate rings around the mercury(II) ion.

Original languageEnglish
Pages (from-to)1512-1516
Number of pages5
JournalZeitschrift für Anorganische und Allgemeine Chemie
Volume630
DOIs
Publication statusPublished - 2004

Keywords

  • mercury
  • saccharin
  • 2-aminomethylpyridine
  • 2-aminoethylpyridine
  • MERCURY(II) SACCHARINATE

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