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Article

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

1
Laboratory for Precipitation Processes, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia
2
Division of Experimental Physics, Department of Physics, Faculty of Science, University of Zagreb, Bijenička Cesta 32, 10000 Zagreb, Croatia
3
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)
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 coordination networks; cadmium(II); thiocyanate; 3-acetamidopyridine; nicotinic acid hydrazide; chalcogen bonds; hydrogen-bond motifs
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MDPI and ACS 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, 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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