Slow Magnetic Relaxation in a Series of Mononuclear 8-Coordinate Fe(II) and Co(II) Complexes
作者:Xin-Xin Jin、Xiao-Xiang Chen、Jing Xiang、Yun-Zhou Chen、Li-Hui Jia、Bing-Wu Wang、Shun-Cheung Cheng、Xin Zhou、Chi-Fai Leung、Song Gao
DOI:10.1021/acs.inorgchem.7b03071
日期:2018.4.2
A series of homoleptic mononuclear 8-coordinate FeII and CoII compounds, [FeII(L2)2](ClO4)2 (2), [FeII(L3)2](ClO4)2 (3), [FeII(L4)2](ClO4)2 (4), [CoII(L1)2](ClO4)2 (5), [CoII(L2)2](ClO4)2 (6), [CoII(L3)2](ClO4)2 (7), and [CoII(L4)2](ClO4)2 (8) (L1 and L2 are 2,9-dialkylcarboxylate-1,10-phenanthroline ligands; L3 and L4 are 6,6′-dialkylcarboxylate-2,2′-bipyridine ligands), have been obtained, and their
一系列同质的单核八配位Fe II和Co II化合物,[Fe II(L 2)2 ](ClO 4)2(2),[Fe II(L 3)2 ](ClO 4)2(3) ,[Fe II(L 4)2 ](ClO 4)2(4),[Co II(L 1)2 ](ClO 4)2(5),[Co II(L 2)2 ](ClO 4)2(6),[Co II(L 3)2 ](ClO 4)2(7)和[Co II(L 4)2 ](ClO 4)2(8)(L 1和L 2是2,9-二烷基羧酸酯-1,10-菲咯啉配体;L 3和L 4获得了6,6'-二烷基羧酸盐-2,2'-联吡啶配体),并通过X射线晶体学确定了它们的晶体结构。所有这些化合物中的金属中心的过饱和配位数为8,由两个中性均配四齿配体完成,在3d金属化合物中是非常规的。这些化合物的特征还在于电子光谱,循环伏安法(CV)和磁测量。MeCN溶液中这些络合物的CV测量显示出丰富的氧化