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Fluorescence Properties and Density Functional Theory Calculation of a Structurally Characterized Heterotetranuclear [ZnII2–SmIII2] 4,4′-Bipy-Salamo-Constructed Complex

School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou730070, China
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Crystals 2019, 9(11), 602; https://doi.org/10.3390/cryst9110602
Received: 27 October 2019 / Revised: 14 November 2019 / Accepted: 14 November 2019 / Published: 17 November 2019
(This article belongs to the Special Issue Fluorescent Complexes)
A new heterotetranuclear complex, [{Zn(L)Sm(NO3)3}2(4,4′-bipy)]·2CH3OH, was synthesized via an unsymmetrical single salamo-like ligand H2L: 6-methoxy-6′-ethoxy-2,2′-[ethylenedioxybis(azinomethyl)]diphenol, with Zn(OAc)2·2H2O, Sm(NO3)3·6H2O, and 4,4′-bipyridine by the one-pot method. The [ZnII2–SmIII2] complex was validated via elemental analysis, powder X-ray diffraction (PXRD) analysis, infrared spectroscopy, and ultraviolet–visible (UV–Vis) absorption spectroscopy. The X-ray single crystal diffraction analysis of the [ZnII2–SmIII2] complex was carried out via X-ray single-crystal crystallography. The crystal structure and supramolecular features were discussed. In addition, while studying the fluorescence properties of the [ZnII2–SmIII2] complex, the density functional theory (DFT) calculation of its structure was also performed. View Full-Text
Keywords: unsymmetrical salamo-like ligand; heterotetranuclear complex; crystal structure; fluorescence property; DFT calculation unsymmetrical salamo-like ligand; heterotetranuclear complex; crystal structure; fluorescence property; DFT calculation
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MDPI and ACS Style

An, X.-X.; Liu, C.; Chen, Z.-Z.; Xie, K.-F.; Zhang, Y. Fluorescence Properties and Density Functional Theory Calculation of a Structurally Characterized Heterotetranuclear [ZnII2–SmIII2] 4,4′-Bipy-Salamo-Constructed Complex. Crystals 2019, 9, 602.

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