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POLYMERIC MAGNETIC COORDINATION COMPLEXES: FROM ISOLATED (0-D) MOLECULES TO 3-D MATERIALS

机译:聚合物磁配位化合物:从孤立的(0-D)分子到3D物质

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摘要

Several complexes containing transition metal (Mn~(II) and Cu~(II) coordinated to two radicals as NITpPy or imi-pPy and polycyanide anions are presented. The X-ray crystal structures analysis reveale that these compounds present various dimensionalities ranging from discrete molecule (OD) to three dimensional (3D) network, depending on the μ coordination type of the cyanide ligands. The magnetic studies revealed intramolecular antiferromagnetic interactions for the Cu containing compounds while ferromagnetic interactions were observed for the Mn containing compounds. But all the compounds exhibit intermolecular antiferromagnetic interactions at very low temperature.
机译:提出了几种含有过渡金属(Mn〜(II)和Cu〜(II))与NITpPy或imi-pPy两个自由基配位的配合物和多氰化物阴离子,X射线晶体结构分析表明这些化合物具有不同的维数,范围从离散的分子(OD)到三维(3D)网络,具体取决于氰化物配体的μ配位类型磁性研究表明,含铜化合物的分子内反铁磁相互作用,而含锰化合物的铁磁相互作用。在非常低的温度下表现出分子间的反铁磁相互作用。

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