Zn(II) Heteroleptic Halide Complexes with 2-Halopyridines: Features of Halogen Bonding in Solid State |
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| Authors: | Mikhail A. Vershinin Marianna I. Rakhmanova Alexander S. Novikov Maxim N. Sokolov Sergey A. Adonin |
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| Affiliation: | 1.Nikolaev Institute of Inorganic Chemistry SB RAS, Lavrentieva St. 3, 630090 Novosibirsk, Russia; (M.A.V.); (M.I.R.); (M.N.S.);2.Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7–9, 199034 Saint Petersburg, Russia; |
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| Abstract: | Reactions between Zn(II) dihalides and 2-halogen-substituted pyridines 2-XPy result in a series of heteroleptic molecular complexes [(2-XPy)2ZnY2] (Y = Cl, X = Cl (1), Br (2), I (3); Y = Br, X = Cl (4), Br (5), I (6), Y = I, X = Cl (7), Br (8), and I (9)). Moreover, 1–7 are isostructural (triclinic), while 8 and 9 are monoclinic. In all cases, halogen bonding plays an important role in formation of crystal packing. Moreover, 1–9 demonstrate luminescence in asolid state; for the best emitting complexes, quantum yield (QY) exceeds 21%. |
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| Keywords: | zinc halide complexes halogen bonding non-covalent interactions |
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