Chalcogen S∙∙∙S Bonding in Supramolecular Assemblies of Cadmium(II) Coordination Polymers with Pyridine-Based Ligands

Matijaković Mlinarić, Nives; Penić, Nikolina; Kukovec, Boris-Marko; Đaković, Marijana

doi:10.3390/cryst11060697

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Chalcogen S∙∙∙S Bonding in Supramolecular Assemblies of Cadmium(II) Coordination Polymers with Pyridine-Based Ligands

Nives Matijaković Mlinarić

Nikolina Penić

²,

Boris-Marko Kukovec

^3,*

and

Marijana Đaković

^4,*

Laboratory for Precipitation Processes, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia

Division of Experimental Physics, Department of Physics, Faculty of Science, University of Zagreb, Bijenička Cesta 32, 10000 Zagreb, Croatia

Department of Physical Chemistry, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia

⁴

Division of General and Inorganic Chemistry, Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia

Authors to whom correspondence should be addressed.

Academic Editors: Vladimir P. Fedin and Alexander Kirillov

Crystals 2021, 11(6), 697; https://doi.org/10.3390/cryst11060697

Received: 31 May 2021 / Revised: 10 June 2021 / Accepted: 14 June 2021 / Published: 18 June 2021

(This article belongs to the Special Issue Coordination Polymers)

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Abstract

Two cadmium(II) coordination polymers, with thiocyanate and pyridine-based ligands e.g., 3-acetamidopyridine (3-Acpy) and niazid (nicotinic acid hydrazide, nia), namely one-dimensional {[Cd(SCN)₂(3-Acpy)]}_n (1) and two-dimensional {[Cd(SCN)₂(nia)]}_n (2), are prepared in the mixture of water and ethanol. The adjacent cadmium(II) ions in 1 are bridged by two N,S-thiocyanate ions and an N,O-bridging 3-Acpy molecule, forming infinite one-dimensional polymeric chains, which are assembled by the intermolecular N–H∙∙∙S hydrogen bonds in one direction and by the intermolecular S∙∙∙S chalcogen bonds in another direction. Within the coordination network of 2, the adjacent cadmium(II) ions are bridged by N,S-thiocyanate ions in one direction and by N,O,N’-chelating and bridging nia molecules in another direction. The coordination networks of 2 are assembled by the intermolecular N–H∙∙∙S and N–H∙∙∙N hydrogen bonds and S∙∙∙S chalcogen bonds. Being the only supramolecular interactions responsible for assembling the polymer chains of 1 in the particular direction, the chalcogen S∙∙∙S bonds are more significant in the structure of 1, whilst the chalcogen S∙∙∙S bonds which act in cooperation with the N–H∙∙∙S and N–H∙∙∙N hydrogen bonds are of less significance in the structure of 2. View Full-Text

Keywords: coordination networks; cadmium(II); thiocyanate; 3-acetamidopyridine; nicotinic acid hydrazide; chalcogen bonds; hydrogen-bond motifs

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Matijaković Mlinarić, N.; Penić, N.; Kukovec, B.-M.; Đaković, M. Chalcogen S∙∙∙S Bonding in Supramolecular Assemblies of Cadmium(II) Coordination Polymers with Pyridine-Based Ligands. Crystals 2021, 11, 697. https://doi.org/10.3390/cryst11060697

AMA Style

Matijaković Mlinarić N, Penić N, Kukovec B-M, Đaković M. Chalcogen S∙∙∙S Bonding in Supramolecular Assemblies of Cadmium(II) Coordination Polymers with Pyridine-Based Ligands. Crystals. 2021; 11(6):697. https://doi.org/10.3390/cryst11060697

Chicago/Turabian Style

Matijaković Mlinarić, Nives, Nikolina Penić, Boris-Marko Kukovec, and Marijana Đaković. 2021. "Chalcogen S∙∙∙S Bonding in Supramolecular Assemblies of Cadmium(II) Coordination Polymers with Pyridine-Based Ligands" Crystals 11, no. 6: 697. https://doi.org/10.3390/cryst11060697

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Chalcogen S∙∙∙S Bonding in Supramolecular Assemblies of Cadmium(II) Coordination Polymers with Pyridine-Based Ligands

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