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On the coordination behaviour of NO₃⁻ in coordination compounds with Ag⁺Part 1. Solubility effect on the formation of coordination polymer networks between AgNO₃ and L(L= ethanediyl bis(isonicotinate) as a function of solvent

  • Robin, Adeline Y. University of Basel, Department of Chemistry, Switzerland
  • Sagué, Jorge L. University of Basel, Department of Chemistry, Switzerland
  • Fromm, Katharina M. University of Basel, Department of Chemistry, Switzerland - University of Fribourg, Department of Chemistry, Switzerland
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  • CrystEngComm. - 2006, vol. 8, p. 403-416
English The influence of the solubility of AgNO₃ in three solvent systems is studied for the reaction between AgNO₃ and the ligand L(= ethanediyl bis(isonicotinate)). Three solid state structures are obtained, differing in the relative ratio Ag : L in the first case, and in polymorphism in the second. The Ag–O(NO₃⁻) distance correlates strongly with the solubility of AgNO₃ in the used solvent. Solution studies prove indeed the existence of close ion contact pairs in the less good solvents, where as ion solvation is observed in good solvents for AgNO₃. The three different structures are compared to two solvated structures in which H₂O demonstrates coordination to the nitrate anion via H-bonding.
Faculté des sciences et de médecine
Département de Chimie
  • English
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