Chelate ring stacking interactions in the supramolecular assemblies of Zn(ii)and Cd(ii) coordination compounds: a combined experimental and theoretical study

The self-assembly of Zn(ii) and Cd(ii) ions with two isomeric tetradentate ligands, 2-pyridyl-isonicotinoylhydrazone (HL1) and 2-benzoylpyridyl-picolinoylhydrazone (HL2), was studied by elemental analysis, FT-IR spectroscopy and single-crystal X-ray diffraction. The reaction of zinc(ii) and cadmium(ii) salts with HL1 and HL2 in methanol under solvothermal conditions produced six monomer and one tetranuclear zinc(ii) complexes, namely, Zn(HL1)Br2 (1), Zn(HL1)Cl2 (2), [Cd(HL1)2](NO3)2·H2O (3), Cd(HL2)Br2(4), Zn(HL2)Cl2 (5), Zn(HL2)Br2 (6) and [Zn4(L2)4I2][ZnI4]·2H2O (7). The structure of 7 includes a cationic tetranuclear cluster of four zinc ions, four ligands, and two anions, counterbalanced by ZnI4 2− ions. However, the reaction of zinc(ii) and cadmium(ii) salts with HL1 under the same conditions produced monomer compounds. Herein, the ligand effects on the complex structures were studied. Hirshfeld surface analysis and fingerprint plots facilitate the comparison of intermolecular interactions in compounds 1-7, which are crucial in building supramolecular architectures. © The Royal Society of Chemistry.

Authors
Afkhami F.A.1 , Khandar A.A.1 , Mahmoudi G. 2 , Maniukiewicz W.3 , Gurbanov A.V. 4, 5 , Zubkov F.I. 5 , Şahin O.6 , Yesilel O.Z.7 , Frontera A.8
Journal
CrystEngComm
Publisher
Royal Society of Chemistry
Number of issue
10
Language
English
Pages
1389-1399
Status
Published
Link
External link
DOI
10.1039/c6ce02666d
Volume
19
Year
2017
Organizations
  • 1 Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, P.O. Box 5166616471, Tabriz, Iran
  • 2 Department of Chemistry, Faculty of Science, University of Maragheh, P.O. Box 55181-83111, Maragheh, Iran
  • 3 Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, Łódź, 90-924, Poland
  • 4 Department of Chemistry, Baku State University, Z. Khalilov str. 23, Baku, AZ 1148, Azerbaijan
  • 5 Organic Chemistry Department, RUDN University, 6 Miklukho-Maklaya str., Moscow, 117198, Russian Federation
  • 6 Sinop University, Scientific and Technological Research Application and Research Center, Sinop, 57000, Turkey
  • 7 Department of Chemistry, Faculty of Arts and Sciences, Eskişehir Osmangazi University, Eskişehir, 26480, Turkey
  • 8 Departamento de Quimica, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, Palma de Mallorca (Baleares), 07122, Spain
Date of creation
19.10.2018
Date of change
12.08.2021
Short link
https://repository.rudn.ru/en/records/article/record/6360/
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