Coordination Polymers of Cadmium with Di(pyrazol-1-yl)alkane-4,4-dicarboxylic Acids: Synthesis, Crystal Structures, and Luminescence Properties

Pershina E.A. Burlutskiy N.P. Pavlov D.I. Ryadun A.A. Fedin V.P. Potapov A.S.
October 2022 Pleiades journals

Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
2022 #48 Issue 10 601 - 607 pp.

Abstract: Coordination polymers of cadmium(II) with the di(pyrazol-1-yl)alkane derivatives, bis(3,5-dimethylpyrazol-1-yl)methane-4,4′-dicarboxylic acid (H₂L¹) and 1,3-bis(pyrazol-1-yl)propane-4,4′-dicarboxylic acid (H₂L²), are synthesized. The crystal structures of the products are determined by X-ray diffraction (CIF files CCDC nos. 2172853 (I) and 2172854 (II)). The Cd²⁺ ions and dicarboxylic acid with one methylene group between the pyrazole cycles form a three-dimensional coordination polymer with a single mutual intergrowing of coordination networks, whereas three methylene groups result in the formation of a two-dimensional coordination polymer, the layers of which are linked by hydrogen bonds involving water molecules in the coordination sphere of the Cd²⁺ ions. The luminescence spectra of the synthesized coordination polymers exhibit two bands: with the local intraligand excitation and with the metal–ligand charge transfer.

cadmium , coordination polymers , dicarboxylic acids , luminescence , pyrazole

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Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russian Federation
Novosibirsk State University, Novosibirsk, Russian Federation
National Research Polytechnical University, Tomsk, Russian Federation
Noncommercial Joint-Stock Company Toraigyrov Universitet, Pavlodar, Kazakhstan

Nikolaev Institute of Inorganic Chemistry
Novosibirsk State University
National Research Polytechnical University
Noncommercial Joint-Stock Company Toraigyrov Universitet

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