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A series of Ag(I) complexes constructed by the unsymmetrical bent-shaped ligand 2-(pyridine-4-ylthio)pyrazine: Syntheses, structures and effects of anions

Authors
Journal
Polyhedron
0277-5387
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.poly.2014.05.043
Keywords
  • Bent-Shaped Ligand
  • Silver(I) Complex
  • Anion Effect
  • Crystal Structure
  • Supramolecular Architecture

Abstract

Abstract A family of Ag(I) complexes constructed from the unsymmetrical bent-shaped ligand 2-(pyridine-4-ylthio)pyrazine (abbreviated as 2-PTP), namely [Ag(2-PTP)2]·ClO4 (1), {[Ag2(2-PTP)2(CF3CO2)2]·(H2O)}∞ (2), {[Ag(2-PTP)(NO2)]}∞ (3), {[Ag3(2-PTP)2(CF3SO3)2]·(CF3SO3)·(H2O)}∞ (4) and {[Ag2(2-PTP)2(SO4)]·9H2O}∞ (5), has been synthesized by varying the silver(I) salts. These complexes have been characterized by single crystal X-ray diffraction, FT-IR spectra and elemental analyses. In 1–5, the 2-PTP ligand adopts versatile coordination modes with various silver(I) salts to generate a series of supramolecular architectures. Weak interactions, such as hydrogen bonding and π⋯π interactions, have been described in detail. The anion influence on the structural diversities of 1–5 has also been discussed.

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