Abstract

Abstract A series of novel three-dimensional (3D) Ln(III)–Cu(I) heterometallic tetrazole-based coordination polymers, namely, [LnCu(3-tzba) 2 (H 2 O) 4 ] n [Ln = Ho ( 1 ); Nd ( 2 ); Sm ( 3 ); Pr ( 4 ); 3-tzba = 3-(1 H -tetrazol-5-yl)benzoate], were successfully synthesized through in situ [2 + 3] cycloaddition reaction under hydrothermal conditions. Compounds 1 – 4 are isomorphous 3D coordination frameworks with 1D anionic chains [Ln(3-tzba) 2 (H 2 O) 4 ] − linking the adjacent Cu(I) ions possessing an sql type net with Schlafli symbol (4 4 ). To our best knowledge, they are the first lanthanide-transition heterometal-organic coordination polymers obtained through in situ tetrazole synthesis. In addition, the thermal stability and magnetic property of 1 were also investigated.

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