Construction of Three Novel Coordination Complexes by 3-Nitrophthalic Acid Plus N-Donor Ligands: Synthesis, Structure, and Properties
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In order to explore new coordination frameworks with novel designed 3-nitrophthalic acid and N–donor ancillary ligands, three novel coordination complexes, namely, [Co<sub>2</sub>(3-NPA)<sub>2</sub>(2,2′-bipy)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]•2H<sub>2</sub>O (<b>1</b>), [Mn<sub>2</sub>(3-NPA)<sub>2</sub>(4,4′-bipy)<sub>3</sub>(H<sub>2</sub>O)<sub>6</sub>]•(4,4′-bipy) (<b>2</b>), and [Pb<sub>2</sub>O(3-NPA)]<sub>n</sub> (<b>3</b>) (where 3-NPAH<sub>2</sub> = 3-nitrophthalic acid, 2,2′-bipy = 2,2′-bipyridine, 4,4′-bipy = 4,4′-bipyridine), have been hydrothermally synthesized. X-ray structure analysis reveals that <b>1</b> and <b>2</b> are dinuclear structures, while <b>3</b> is a two-dimensional (2D) network polymer. And the hydrogen bonds and π–π stacking also play important roles in affecting the final structure where complexes <b>1</b>-<b>2</b> have 3D and 2D supramolecular architectures, respectively. These complexes have been characterized by powder X-ray diffractions (PXRD) and thermal gravimetric analyses (TGA). In addition, their photochemical properties have also been investigated.
提供机构：
Taylor & Francis
创建时间：
2016-01-19
