A diamond metal-organic framework with in situ generated 1H-tetrazolate-5-butyric acid ligand: Crystal structure, photoluminescence and high thermal stability
2011
Abstract Hydrothermal reaction of diethyl 2-(2-cyanoethyl) malonate, ZnCl 2 , NaN 3 and NaOH yielded a new 1H-tetrazolate-5-butyrate coordination polymer, [Zn(tzb)] n (1) (H 2 tzb = 1H-tetrazolate-5-butyric acid), which presents a 3-D noninterpenetrating diamond network. The in situ generated tzb 2− ligand adopts a μ 4 -bridging mode with carboxylate group in a syn – anti fashion and tetrazolate group in a 1,4- N manner. Polymer 1 exhibits a weak second-order nonlinear optical coefficient about 0.5 times that of potassium dihydrogen phosphate (KDP), and also displays strong blue photoluminescence at room temperature and a high thermal stability up to 400 °C.
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