| 镧系双2:17钨磷杂多配合物异构体的合成和性质研究Ⅲ |
| PREPARATION AND PROPERTIES OF THE LANTHANIDE BIS-α2-2:17TUNGSTOPHOSPHATES Ⅲ |
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| 摘要: 本文合成了通式为(NH4)17[Ln(α2-P2W17O61)2]·xH2O(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Dy)的镧系双2:17钨磷杂多配合物纯净异构体.并用31P NMR、IR、UV-Vis吸收光谱、极谱、循环伏安和磁化率等对其进行了表征.对α1、α2 |
| 关键词: 钨磷杂多酸盐 镧系元素 Wells-Dawson 结构杂多酸 |
| 基金项目: 国家自然科学基金资助项目 |
| Abstract: Eight pure isomers of the formula (NH4)17 Ln(α2-P2W17O61)2·xH2O(Ln3+=La,Ce,Pr,Nd,Sm,Eu,Gd,or Dy) were synthesized and characterized by 31P NMR,IR and UV-Vis spcctroscopy,polarography,cyclic voltammetry and their magnetic moments.The properties of α1,α2 and β isomers were compared.The ionic character of the Ln-O bonds in the α2-isomer is stronger than that in the α1-isomer. |
| Keywords: tungstophosphate lanthanide Wells-Dawson structure heteropolyacid |
| 投稿时间：1992-07-03 |
| 摘要点击次数: 1738 |
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| 王守国,彭军,于明,陈亚光,瞿伦玉,王广.镧系双2:17钨磷杂多配合物异构体的合成和性质研究Ⅲ[J].无机化学学报,1993,9(4):364-368. |
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