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The silver(I) nitrate complex of the ligand N-(pyridin-2-ylmeth-yl)pyrazine-2-carboxamide: a metal-organic framework (MOF) structure.

  • Cati DS Debiopharm International S.A., Chemin Messidor 5-7, CP 5911, CH-1002 Lausanne, Switzerland.
  • Stoeckli-Evans H Institute of Physics, University of Neuchâtel, rue Emile-Argand 11, CH-2000 Neuchâtel, Switzerland.
  • 2017-04-25
Published in:
  • Acta crystallographica. Section E, Crystallographic communications. - 2017
MOF
carboximide
crystal structure
hydrogen bonding
metal-organic framework
nitrate
pyrazine
pyridine
silver(I)
English The reaction of silver(I) nitrate with the mono-substituted pyrazine carboxamide ligand, N-(pyridin-2-ylmeth-yl)pyrazine-2-carboxamide (L), led to the formation of the title compound with a metal-organic framework (MOF) structure, [Ag(C11H10N4O)(NO3)] n , poly[μ-nitrato-[μ-N-(pyridin-2-ylmethyl-κN)pyrazine-2-carboxamide-κN4]silver(I)]. The silver(I) atom is coordinated by a pyrazine N atom, a pyridine N atom, and two O atoms of two symmetry-related nitrate anions. It has a fourfold N2O2 coordination sphere, which can be described as distorted trigonal-pyramidal. The ligands are bridged by the silver atoms forming -Ag-L-Ag-L- zigzag chains along the a-axis direction. The chains are arranged in pairs related by a twofold screw axis. They are linked via the nitrate anions, which bridge the silver(I) atoms in a μ2 fashion, forming the MOF structure. Within the framework there are N-H⋯O and C-H⋯O hydrogen bonds present.
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https://sonar.ch/global/documents/55635
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