Add time:09/01/2019         Source:sciencedirect.com

Two novel d-d heterometallic cluster-based complexes constructed by N-(Phosphonomethyl)imino-diacetic acid (H4PMIDA) multifunctional ligand, [Cu2Zn2(PMIDA)2(H2O)3]·3H2O(1), [ZnNi14(PMIDA)6(H2O)18]·(NO3)6·15H2O(2), have been synthesized under hydrothermal conditions and characterized by elemental analyses, IR spectra, thermal analyses, and single-crystal X-ray diffraction. The complex 1 is one-dimensional heteronuclear molecular chain, which is further extends into a 3D supramolecular network through very extensive OH⋯O hydrogen bonds. The compound 2 is a rare novel zero-dimensional heteronuclear molecular cluster, which is further extends into a 3D supramolecular network through very extensive OH⋯O hydrogen bonds. Moreover, the solid-state fluorescence properties of the two complexes have also been investigated at room temperature.

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