Abstract

Three-component cuboid coordination networks from metal cations, organic linear tectons, and inorganic SiF62– pillars have attracted much attention in the past few decades due to their porous structures and fluorine-containing microenvironments but have always suffered from poor thermal stabilities. Herein, we report that the combinations of Zn2+, SiF62– (or in situ generated from BF4– in the presence of trace water and glass tubes), and two zigzag tectons led to two deformed cuboid coordination networks with face diagonal connections between two neighboring Zn nodes by organic tectons. Because of the rich C–H···F hydrogen bonds resulting from the close distances between organic tectons and SiF62– anions, thermogravimetric studies revealed their thermal stabilities are very enhanced beyond 100 °C.

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