Supramolecular structures of Ni and Cu with the sterically demanding Schiff base dyes driven by cooperative action of preagostic and other non-covalent interactions

University of Tyumen, Volodarskogo Street 6, Tyumen, 625003, Russian Federation, Innovation Center for Chemical and Pharmaceutical Technologies, Ural Federal University named after the First President of Russia B. N. Yeltsin, Mira Street 19, Ekaterinburg, 620002, Russian Federation, Kurgan State University, Sovetskaya Street 63/4, 640020, Russian Federation, Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Kraków, 30-387, Poland, Department of Chemistry, Faculty of Science, University of Maragheh, PO Box 55181-83111, Maragheh, Iran, Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Place L. Pasteur 1, Louvain-la-Neuve, 1348, Belgium, and Institut für Anorganische Chemie, J.-W.-Goethe-Universität, Frankfurt/Main, Germany. *Correspondence e-mail: ghodratmahmoudi@gmail.com, damir.a.safin@gmail.com