Mechanochemical Reaction of Polymeric Oxovanadium(IV) Complexes with Schiff Base Ligands Derived from 5-Nitrosalicylaldehyde and Diamines
作者:Masanobu Tsuchimoto、Gakuse Hoshina、Naoki Yoshioka、Hidenari Inoue、Kiyohiko Nakajima、Mayumi Kamishima、Masaaki Kojima、Shigeru Ohba
DOI:10.1006/jssc.2000.8710
日期:2000.8
N′-di-5-nitrosalicylidene-1,2-ethanediamine) and orange [VO(5-NO2sal-meso-stien)]·0.5H2O (2; H2(5-NO2sal-meso-stien)=N,N′-di-5-nitrosalicylidene-(R,S)(S,R)-1,2-diphenyl-1,2-ethanediamine) which have linear chain structures in the solid state turn dark brown and yellow-brown, respectively, when ground thoroughly in mortars. The IR spectra of 1 and 2 in Nujol mulls show strong V=O stretching bands at 875 and 905 cm−1
浅棕色[VO(5-NO 2萨伦)]·2H 2 O(1; H 2(5-NO 2萨伦)= N,N'-二-5-硝基水杨亚基-1,2-乙二胺)和橙色[VO (5-NO 2 sal-内消旋-stien)]·0.5H 2 O(2; H 2(5-NO 2 sal-内消旋-stien)= ñ,ñ ' -二-5- nitrosalicylidene-([R ,小号) (S,R当在研钵中彻底研磨时,呈固态直链结构的)-1,2-二苯基-1,2-乙二胺)分别变成深棕色和黄棕色。Nujol鸥的1和2的IR光谱分别在875和905 cm -1处显示出强大的V = O拉伸带。另一方面,Nujol细粉中精细研磨的复合物的光谱显示出非常弱的V = O拉伸带。地面配合物的X射线粉末衍射图谱几乎没有显示出衍射峰。光谱和磁数据表明,研磨后破坏了1和2晶体中的线性链结构,产生了聚合物链的片段。