摘要
通过可溶性铌酸钾与粉状白钨酸的反应,合成了钨铌杂多阴离子化合物[(C_4H_9)_4N]_nK_(7-n)[NbW_(11)O_(40)·H_2](n=5,6).根据化学分析、红外光谱和拉曼光谱等,认为[NbW_(11)O_(40)·H_2]^(7-)和[W_(12)O_40·H_2]^(6-)具有相同结构骨架.
The anion of 11-tungstoniobate was synthesized for the first time as [(C_4H_9)_4]N]_n K_(7-n)NbW_(11)O_(40)H_2 (n = 5, 6) by the reaction of soluble potassium niobate and powdery white tungstic acid in aqueous solution. The structure of the anion may be proposed reasonably to be similar to that of dodecameric anion of metatungstate, resulting from Substituting of one WO_6 group in metatungstate anion by one NbO_6 group and leading to the formation of 11-tungstoniobate anion according to the extrema similarity of IR and Raman spectra of these two different anions.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1992年第12期1178-1181,共4页
Acta Chimica Sinica
基金
国家自然科学基金委员会
博士后基金委员会资助
