摘要
本文合成了具有隔室构造的Schiff碱配体H_3L(L^(3-)=C_(11)H_(11)N_6OS_2^(3-)),并对其进行了元素分析,IR,~1H NMR和MS等项表征.制备了该配体的分别由醋酸根和吡啶分子协配的两种锌的双核配合物,对后者进行了X射线单晶结构分析.[Zn_2L(OH)(py)_2](Py)_2,P2_1/c,a=0.9195(1),b=2.3334(6),c=1.6111(3)nm,β=93.99(1)°,Z=4.结构用直接法解得,最终的R=0.066.测定的结果表明,两锌原子间存在酚氧和羟基的两μ_2-O-桥,每个五配位的锌均具有四方锥型的配位构型.
A compartmental Schiff base ligand H3L(L3- = C11H11N6OS23-)has been synthesized and characterized by elemental analyses, 1H NMR, IR and MS as well as etc. . Its dinuclear znic complex, which are co - coordinated by acetate radicals and pyridine molecules respectively, have been prepared. For the later the single crystal structure has been determinated by X - raydiffraction. [Zn2L(OH)(py)2](py)2, P21/c, a = 0.9195(1), b = 2. 3334(6), c =1. 6111(3),β= 93.99(1)°,Z = 4. The structure was solved by direct method. The refinement converges withR = 0.066 and Rw = 0.070 based on 2028 reflections with I≥3σ(I).The results indicate thatbetween two zinc atoms exist two u2 - O- bridges formed by a phenolic oxygen atom and a hydroxy group in the lattice, respectively; and every five - coordinate zinc atom possesses a square pyramidal construction.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1996年第6期562-567,共6页
Acta Chimica Sinica
