Field-Induced Single-Ion Magnet Behavior in Nickel(II) Complexes with Functionalized 2,2′:6′-2″-Terpyridine Derivatives: Preparation and Magneto-Structural Study
作者:Francisco Ramón Fortea-Pérez、Julia Vallejo、Teresa F. Mastropietro、Giovanni De Munno、Renato Rabelo、Joan Cano、Miguel Julve
DOI:10.3390/molecules28114423
日期:——
Two mononuclear nickel(II) complexes of the formula [Ni(terpyCOOH)2](ClO4)2∙4H2O (1) and [Ni(terpyepy)2](ClO4)2 MeOH (2) [terpyCOOH = 4′-carboxyl-2,2′:6′,2′′-terpyridine and terpyepy = 4′-[(2-pyridin-4-yl)ethynyl]-2,2′:6′,2′′-terpyridine] have been prepared and their structures determined by single-crystal X-ray diffraction. Complexes 1 and 2 are mononuclear compounds, where the nickel(II) ions are
两种单核镍 (II) 配合物,分子式为 [Ni(terpyCOOH)2](ClO4)2∙4H2O (1) 和 [Ni(terpyepy)2](ClO4)2 MeOH (2) [terpyCOOH = 4'-carboxyl- 2,2':6',2''-terpyridine 和 terpyepy = 4'-[(2-pyridin-4-yl)ethynyl]-2,2':6',2''-terpyridine] 已经制备并且它们的结构由单晶 X 射线衍射确定。配合物 1 和 2 是单核化合物,其中镍 (II) 离子与来自两个三齿三联基部分的六个氮原子形成六配位。Ni(1) 在 1 和 2 处的赤道 Ni-N 键距的平均值 [2.11(1) 和 2.12(1) Å 分别比轴向键距 [2.008(6) 和 2.003(6) ) Å (1)/2.000(1) 和 1.999(1) Å (2)]。最短的分子间镍-镍分离值为