Synthesis and magnetic properties of binuclear complexes of unidentate ligands with acetylacetonates of bivalent manganese, cobalt, and nickel
Synthesis and magnetic properties of binuclear complexes of unidentate ligands with acetylacetonates of bivalent manganese, cobalt, and nickel
复制标题
单齿配体与二价锰、钴和镍乙酰丙酮化物双核配合物的合成和磁性
DOI：
10.1039/dt9820000313
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发表时间：
1982
期刊：
影响因子：
--
通讯作者：
P. Thornton
中科院分区：
文献类型：
--
作者：
Moira A. Laffey;P. Thornton
双核配合物[M2L(acac)4][M = Mn, L =二甲基甲酰胺（dmf）]的磁性能M = Co或Ni， L =吡啶（py）；[M2L2(acac)4][M = Mn, L =烯丙胺；M = Co, L =环己胺；M = Ni, L =哌啶（pip）]在4-300 K范围内进行了研究。配合物[Ni2(py)(acac)4]是铁磁性的，而[Ni2(pip)2(acac)4]是反铁磁性的。钴和锰化合物的磁矩与单体八面体配合物的磁矩相似。这些结果可以用当前的磁交换理论来解释，并与配合物的结构有关。介绍了新配合物[Ni2(3Me-py)(acac)4]（3Me-py = 3-甲基吡啶）、[Ni2(4Me-py)-(acac)4]、[Ni2{N(C6H11)H2}2(acac)4] （M = Co或Ni）的制备和表征。
The magnetic properties of the binuclear complexes [M2L(acac)4][M = Mn, L = dimethylformamide (dmf); M = Co or Ni, L = pyridine (py); acac = acetylacetonate] and [M2L2(acac)4][M = Mn, L = allylamine; M = Co, L = cyclohexylamine; M = Ni, L = piperidine (pip)] have been studied in the range 4–300 K. The complex [Ni2(py)(acac)4] is ferromagnetic but [Ni2(pip)2(acac)4] is antiferromagnetic. The cobalt and manganese compounds have magnetic moments similar to those of monomeric octahedral complexes. The results are interpreted in terms of current theories of magnetic exchange, and related to the structures of the complexes. The preparation and characterization of the new complexes [Ni2(3Me-py)(acac)4](3Me-py = 3-methylpyridine), [Ni2(4Me-py)-(acac)4], [Ni2{N(C6H11)H2}2(acac)4], and [M2(NPhH2)2(acac)4](M = Co or Ni) are described.