铌取代Dawson结构钨磷杂多配合物的合成及其结构表征 |
| |
引用本文: | 瞿伦玉,龚剑,王富权,陈亚光,张建国.铌取代Dawson结构钨磷杂多配合物的合成及其结构表征[J].化学学报,1995,53(9):871-877. |
| |
作者姓名: | 瞿伦玉 龚剑 王富权 陈亚光 张建国 |
| |
作者单位: | 东北师范大学化学系 长春130024
(瞿伦玉,龚剑,王富权,陈亚光),中国科学院长春应用化学研究所 长春130024(张建国) |
| |
基金项目: | 国家自然科学基金资助的项目. |
| |
摘 要: | 本文报道了八种新化合物α2-M7-mHmP2W17NbO62].xH2O, α-1, 2,3-M9-mHmP2W15Nb3O62].xH2O (M=K, TMA, TEA, TBA)的合成和表征。红外和紫外光谱表明两种阴离子具有Dawson结构, ^3^1P和^1^8^3W NMR测定结果表明铌原子确系"极位"一、三取代。α-1, 2,3-K7H2P2W15Nb3O62].30H2O为六方晶系, 晶胞参数为: a=1.9836(4), b=1.9836(9), c=1.5498(6)nm, α=β=90°, γ=120°。此外, 还报道了极谱、XPS和XRD结果。
|
关 键 词: | 紫外分光光度法 红外分光光度法 杂多酸 晶体结构 X射线衍射分析 极谱分析 磷酸盐 P X射线光电子谱法 铌酸盐 P 钨酸盐 P |
Synthesis and Structural characterization of the dawson-type tungstophosphate heteropoly complexes substituted by niobium |
| |
Abstract: | Eight new complexes α2-M7-mHmP2W17NbO62].xH2O, α-1, 2, 3-M9-mHmP2W15Nb3O62].xH2O (M=K, TMA, TEA, TBA) were synthesized and characterized by IR and UV spectroscopy, polarography, XPS and XRD methods. ^3^1P and ^1^8^3W NMR studies show that the niobium atoms in the anions are on the polar sites. The crystal of α-1,2,3-K7H2P2W15Nb3O62].30H2O is hexagonal, its cell parameters: a=1.9836(4), b=1.9836(9), c=1.5498(6)nm, α=β=90°, γ=120°. |
| |
Keywords: | ULTRAVIOLET SPECTROPHOTOMETRY INFRARED SPECTROPHOTOMETRY HETEROPOLYACID CRYSTAL STRUCTURE X-RAY DIFFRACTION ANALYSIS POLAROGRAPHIC ANALYSIS PHOSPHATE P X-RAY PHOTOELECTRON SPECTROMETRY NIOBATE P TUNGSTATE P |
本文献已被 CNKI 维普 等数据库收录! |
| 点击此处可从《化学学报》浏览原始摘要信息 |
| 点击此处可从《化学学报》下载免费的PDF全文 |
|