Polycarboxylate-directed semi-rigid pyridyl-amide-based various NiII complexes: electrochemical properties and enhancements of photocatalytic activities by calcination

Dalton Transactions : an International Journal of Inorganic Chemistry
Xiuli WangXiang Wang

Abstract

In this work, four new NiII coordination polymers (CPs) based on a bi-methylene-bridged semi-rigid bis-pyridyl-bis-amide ligand and various polycarboxylates, namely, [Ni(4-bmbpd)(H2O)4]·(TPD) (1), [Ni2(4-bmbpd)2(1,3-BDC)2(H2O)4]·5H2O (2), [Ni2(4-bmbpd)2(MIP)2(H2O)2]·3H2O (3) and [Ni3(4-bmbpd)3(BTC)2(H2O)4]·4H2O (4) [4-bmbpd = N,N'-bis(4-methylenepyridin-4-yl)-1,4-benzenedicarboxamide, H2TPD = 2,5-thiophenedicarboxylic acid, 1,3-H2BDC = 1,3-benzenedicarboxylic acid, H2MIP = 5-methylisophthalic acid and 1,3,5-H3BTC = 1,3,5-benzenetricarboxylic acid] have been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction analyses, thermal gravimetric (TG) analyses, IR spectroscopy and powder X-ray diffraction (PXRD). In complex 1, the μ2-bridging 4-bmbpd ligands connect adjacent NiII ions leading to a 1D [Ni-4-bmbpd]n wave-like chain, while the TPD anions act as discrete counter ions. Complexes 2 and 3 are similar 2D 4-connected grid networks derived from [Ni-4-bmbpd]n chains and [Ni-L]n (L = BDC or MIP) chains. 4 shows a 3D (2,3,4,4)-connected framework, which contains [Ni-1,3,5-BTC]n 1D double chains, [Ni-(4-bmbpd)]n linear chains and [Ni2(4-bmbpd)2] rings. The 1D chains for 1 and the 2D networks ...Continue Reading

References

Aug 12, 2005·Dalton Transactions : an International Journal of Inorganic Chemistry·Akhilesh Kumar Singh, Rabindranath Mukherjee
Dec 25, 2007·Acta Crystallographica. Section A, Foundations of Crystallography·George M Sheldrick
Jul 23, 2009·Chemical Society Reviews·Jie-Peng ZhangXiao-Ming Chen
Aug 21, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Gong-ming SunWen-yuan Xu
Aug 16, 2013·Journal of the American Chemical Society·Cheng WangWenbin Lin
Apr 12, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiu-Li WangGuo-Cheng Liu
Jun 12, 2014·Chemical Reviews·Lucia CarlucciVladislav A Blatov
Sep 16, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Dequan ZhuQianwang Chen

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