Theoretical, structural, and spectroscopic studies of a series of NiII(TRISOXH3)X2 complexes
作者:Rebecca M. Jones、Michael J. Goldcamp、Jeanette A. Krause、Michael J. Baldwin
DOI:10.1016/j.poly.2006.05.025
日期:2006.11
tris(oxime)amine complexes, including Ni(TRISOXH3)Br2 (2), [Ni(TRISOXH3)(MeOH)I]I (3), and [Ni(TRISOXH3)(H2O)2]F2 · 2H2O (4), was studied using modern density functional theory in combination with experimental methods (X-ray crystallography, Raman, and infrared spectroscopy). The series was compared to Ni(TRISOXH3)Cl2 (1), for which a detailed evaluation of theoretical models has been previously reported
一系列镍三(肟)胺配合物,包括Ni(TRISOXH 3)Br 2(2),[Ni(TRISOXH 3)(MeOH)I] I(3)和[Ni(TRISOXH 3)(H 2 O) )2 ] F 2 ·2H 2 O(4),是使用现代密度泛函理论结合实验方法(X射线晶体学,拉曼光谱和红外光谱法)进行研究的。将该系列与Ni(TRISOXH 3)Cl 2(1),之前已报道过对理论模型的详细评估[RM Jones,MJ Baldwin,J. Phys。化学 108(2004)3537]。评价了理论模型的应用以及改变次级配体对镍与TRISOXH 3相互作用的影响。的晶体结构2,3和4显示出相似的配位几何结构,其中一些值得注意的差异归因于不同的配体。使用混合密度函数B3LYP和拆分基集执行不受限制的优化几何形状和频率计算。与实验晶体结构相比,优化的几何形状显示出配体内(0.016Å)和金属-配体键(0.042