Synthesis, crystal structure and thermal stability of 1D linear silver(I) coordination polymers with 1,1,2,2-Tetra(pyrazol-1-yl)ethane

Evgeny Semitut, Vladislav Komarov, Taisiya Sukhikh, Evgeny Filatov, Andrei Potapov

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Two new linear silver(I) nitrate coordination polymers with bitopic ligand 1,1,2,2-tetra(pyrazol-1-yl)ethane were synthesized. Synthesized compounds were characterized by IR spectroscopy, elemental analysis, powder X-ray diffraction and thermal analysis. Silver coordination polymers demonstrated a yellow emission near 500 nm upon excitation at 360 nm. Crystal structures of coordination polymers were determined and structural peculiarities are discussed. In both of the structures, silver ions are connected via bridging ligand molecules to form polymeric chains with a five-atomic environment. The coordination environment of the central atom corresponds to a distorted trigonal bipyramid with two N atoms of different ligands in apical positions. The Ag-N bond distances vary in a wide range of 2.31-2.62 Å, giving strongly distorted metallacycles. Thermolysis of coordination polymers in reductive atmosphere (H2/He) leads to the formation of silver nanoparticles with a narrow size distribution.

Original languageEnglish
Article number138
JournalCrystals
Volume6
Issue number11
DOIs
Publication statusPublished - 1 Nov 2016

Fingerprint

Ethane
coordination polymers
Silver
ethane
Polymers
Thermodynamic stability
thermal stability
Crystal structure
silver
crystal structure
Ligands
synthesis
ligands
Atoms
Thermolysis
Nitrates
X ray diffraction analysis
Thermoanalysis
atoms
nitrates

Keywords

  • Bitopic ligand
  • Coordination polymer
  • Crystal structure
  • Luminescence
  • Pyrazole
  • Silver
  • Silver nanoparticles
  • Thermal analysis

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Inorganic Chemistry

Cite this

Synthesis, crystal structure and thermal stability of 1D linear silver(I) coordination polymers with 1,1,2,2-Tetra(pyrazol-1-yl)ethane. / Semitut, Evgeny; Komarov, Vladislav; Sukhikh, Taisiya; Filatov, Evgeny; Potapov, Andrei.

In: Crystals, Vol. 6, No. 11, 138, 01.11.2016.

Research output: Contribution to journalArticle

Semitut, Evgeny ; Komarov, Vladislav ; Sukhikh, Taisiya ; Filatov, Evgeny ; Potapov, Andrei. / Synthesis, crystal structure and thermal stability of 1D linear silver(I) coordination polymers with 1,1,2,2-Tetra(pyrazol-1-yl)ethane. In: Crystals. 2016 ; Vol. 6, No. 11.
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abstract = "Two new linear silver(I) nitrate coordination polymers with bitopic ligand 1,1,2,2-tetra(pyrazol-1-yl)ethane were synthesized. Synthesized compounds were characterized by IR spectroscopy, elemental analysis, powder X-ray diffraction and thermal analysis. Silver coordination polymers demonstrated a yellow emission near 500 nm upon excitation at 360 nm. Crystal structures of coordination polymers were determined and structural peculiarities are discussed. In both of the structures, silver ions are connected via bridging ligand molecules to form polymeric chains with a five-atomic environment. The coordination environment of the central atom corresponds to a distorted trigonal bipyramid with two N atoms of different ligands in apical positions. The Ag-N bond distances vary in a wide range of 2.31-2.62 {\AA}, giving strongly distorted metallacycles. Thermolysis of coordination polymers in reductive atmosphere (H2/He) leads to the formation of silver nanoparticles with a narrow size distribution.",
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