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Influence of counterions on the supramolecular frameworks of isoquinoline-based silver(i) complexes

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Abstract

Silver coordination compounds have been widely studied, among others, because of their fascinating structures where the counterions can play an essential role in the construction of supramolecular networks. Herein, seven new Ag(I) complexes containing bis(1-isoquinolinecarboxamide)ethane (L1), bis(1-isoquinoline-N,N′-dimethylcarboxamide)ethane (L2) and bis(1-isoquinolinecarboxamide)propane (L3) as ligands have been synthesized and their crystal structures were obtained by single crystal X-ray diffraction, with ClO4, NO3 and CF3CO2 as counterions. These species were analysed from three points of view: first, the differences and similarities among the amide-to-amide hydrogen bond patterns when compared to those of the bis(1-isoquinolinecarboxamide)alkane ligands; second, their structural patterns based on the coordinative ability of the counterions; finally, the analysis of the robustness of the amide-to amide intermolecular hydrogen bonds when a coordination complex is formed. Among the most critical features of anions, it is their coordinating ability and participation in non-covalent interactions with the ligands that are contextualized in this research.

Graphical abstract: Influence of counterions on the supramolecular frameworks of isoquinoline-based silver(i) complexes

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Publication details

The article was received on 06 Sep 2019, accepted on 22 Oct 2019 and first published on 29 Oct 2019


Article type: Paper
DOI: 10.1039/C9CE01411J
CrystEngComm, 2020, Advance Article

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    Influence of counterions on the supramolecular frameworks of isoquinoline-based silver(I) complexes

    N. Parra-Muñoz, P. I. Hidalgo, G. Ripoll, J. Belmar, J. Pasán and C. A. Jiménez, CrystEngComm, 2020, Advance Article , DOI: 10.1039/C9CE01411J

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