Abstract
A novel two-dimensional 3d–4d transition metal-based coordination polymer [VO(OCH 3)(OHCH 3)(L)Ag(NO 3)] ∞ ( 1) has been synthesized and characterized by single crystal X-ray diffraction and fluorescence spectroscopy (H 2L = ( E)- N′-(2-hydroxybenzylidene)isonicotinohydrazide). The coordination sphere of each V center is octahedral and chelates to a tridentate ligand L, while the tetrahedral conformation of Ag center consists of two O and two N atoms. Infinite zigzag chains of Ag-tetrahedrals are formed. The hydrazinide L 2− ligands of octahedral-V centers link adjacent chains to form an undulated heterometal based 2D layer. DFT calculations on 1 reproduced the geometric parameters and the electronic absorptions were predicted. The coordination polymer 1 showed very selective heterogeneous catalytic activity with 77–89% conversion in oxidation of alkenes, cyclooctane and benzyl alcohol by H 2O 2.
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