含Schiff碱配体钒配合物的合成和晶体结构

Synthesis and Crystal Structure of Vanadium Complex with Schiff-base Ligand

设计合成了含ONO给体原子的邻羟基苯乙酮缩水杨酰腙配体,该配体与VO(acac)2在正戊醇中反应生成了钒(V)酰配合物[VO(C15H12N2O3)(OC5H11)]2,该配合物通过红外、紫外和X-射线单晶衍射进行了表征.配合物晶体属于单斜晶系,空间群P21/c,a=0.997 9(1)nm,b=1.144 3(2)nm,c=1.823 5(3)nm,β=103.018(2)°,V=2.028 7(5)nm3,Z=4,Dc=1.383 g·cm-3,μ=0.522 mm-1,F(000)=880,R1=0.045 6,wR2[I>2σ(I)]=0.114 8.该化合物是通过2个酚氧原子桥联2个金属原子形成的双核钒(V)配合物结构,每个钒原子都具有扭曲的VO(ONO)(O)(N)八面体配位构型.

The hydrazone ligand 2-hydroxyacetophenone salicyhydrazone ligand containing ONO donor atoms has been designed and synthesized. The reaction of VO （acac）2 with 2- hydroxyacetophenone salicyhydrazone in n-pentanol solvent gave the title complex [ VO （C15 H12 N2O3） （OC5H11） ]2. It has been characterized by IR, UV and X-ray diffraction. The crystal of the title complex belongs to monoclinie system, space group P21/c,a = 0. 997 9（1）nm,b = 1. 144 3（2）nm,c = 1.8235（3）nm,β=103.018（2）°,V=2.0287（5）nm^3,Z=4,Dc=1.383g·cm^-3,μ=0.522mm^-1,F（000）=880,R1=0.0456,wR2[I〉2σ（I）]=0.1148. The complex contains a binuclear structure through two phenolate oxygen atoms bridging the two metal centers. Each vanadium atom has the distorted VO （ONO） （O） （N） octahedral coordination configuration. CCDC ： 986282.