Abstract

A novel 3D metal-organic framework (MOF) with remarkable thermal stability, Ni(BIC)2·2.5H2O (JUC-86) (HBIC = 1-H-benzimidazole-5-carboxylic acid and JUC = Jilin University China), has been synthesized under hydrothermal conditions. It crystallizes in tetragonal symmetry with P43212 space group. The 3D structure consists of channels assembled from triple helices with a 4.5 × 4.5 A2 aperture, which are formed by the parallel alignment of three infinite helical chains. The thermogravimetric analysis (TGA) and powder X-ray diffractions (PXRD) indicate JUC-86 with high thermal stability (up to 350 °C).

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