A. Sokolov, A. Vologzhanina, E. D. Barabanova
Apr 19, 2021
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Journal
Chemistry
Abstract
Hydroxyisophthalic acids are valuable polytopic ligands for the design of functional materials based on coordination polymers due to the variety of charges and coordination modes they possess. Here we describe synthesis, thermal stability, non-linear optical and spectroscopic properties of five novel coordination compounds [K 2 L(H 2 O) 2 ], [MgL(H 2 O) 2 ]·3H 2 O, [CaL(H 2 O) 3 ], [SrL(H 2 O) 3 ]·H 2 O, [BaL(H 2 O)(H 2 O) 5 ] and one salt (NH 4 ) 2 L·2H 2 O with 4,5,6-trihydroxyisophthalic acid ( H 2 L ), which has not been tested in the assembling crystalline coordination networks before. Peculiarities of the structural organization of the compounds were analyzed and compared with those for other hydroxyisophthalates. The coordination properties of hydroxyisophthalic acids were studied from the topological point of view. The comparative topological analysis of coordination and H-bonded networks was performed. Structural correlations revealed in this study can be useful for the design of hydroxyisophthalate-based coordination networks including porous metal-organic frameworks, proton conductors, and NLO materials.