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Coordination polymer
About: Coordination polymer is a research topic. Over the lifetime, 11988 publications have been published within this topic receiving 212219 citations.
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TL;DR: In this article, the properties of Cu(2,5-PDC) and 2,4-PDCH2 have been determined by X-ray diffraction, showing strong antiferromagnetic coupling between the paramagnetic Cu(II) metals in adjacent layers.
89 citations
89 citations
TL;DR: The metal-organic framework formed by self-assembly and in situ synthesis of the 5-MT tetrazole ligand exhibits an unusual 3(9) x 4(12) x 5(15) topological network and shows reversible shrinkage and expansion in a crystal-to-crystal dehydration/rehydration process.
88 citations
TL;DR: Thermal annealing of a discrete complex with terminal SeCN anions and monodentate coligands enforces the formation of a 1D cobalt selenocyanato coordination polymer that shows slow relaxation of the magnetization.
88 citations
TL;DR: Variable temperature magnetic characterizations in the temperature range of 2-300 K indicate that complex 1 is a canted antiferromagnets (weak ferromagnet) with T(c) = 15.9 K, and complex 2 showed unusual ferromagnetic behavior below 40 K because of spin canting.
Abstract: The reaction of pyrimidine-2-carbonitrile, NaN3 in the presence of Co(NO3)2·6H2O or MnCl2·4H2O leads to the formation of complexes [Co(pmtz)(μ1,3-N3)(H2O)]n (1) and [Mn(pmtz)(μ1,3-N3)(H2O)]n (2) respectively, under hydrothermal condition [pmtz =5-(pyrimidyl)tetrazolate]. These two complexes have been fully characterized by single crystal X-ray diffraction. Complex 1 crystallizes in a non-centrosymmetric space group Aba2 in the orthorhombic system and is found to exhibit ferroelectric behavior, whereas complex 2 crystallizes in the P21/c space group in the monoclinic system. Variable temperature magnetic characterizations in the temperature range of 2−300 K indicate that complex 1 is a canted antiferromagnet (weak ferromagnet) with Tc = 15.9 K. Complex 1 represents a unique example of a multiferroic coordination polymer containing tetrazole as a co-ligand. Complex 2 is a one-dimensional chain of Mn(II) bridged by a well-known antiferromagnetic coupler end-to-end azido ligand. In contrast to the role played...
88 citations