Synthesis, structure and the e.s.r. spectrum of the mixed-valence molybdovandate Na2(NH4)4[(VIVVV8Mo)O28] • 10H2O

被引：2
|
作者：
Hu, CJ
Duan, CY
Meng, QJ [1 ]
Liu, YJ
Lu, CS
Reng, XM
Chen, YJ
Cao, M
机构：
[1] Nanjing Univ, State Key Lab Coordinat Chem, Inst Coordinat Chem, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Ctr Mat Anal, Nanjing 210093, Peoples R China
来源：
TRANSITION METAL CHEMISTRY | 2000年 / 25卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Oxidation; Sodium; Physical Chemistry; Aqueous Solution; Inorganic Chemistry;
D O I：
10.1023/A:1007047416550
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The mixed-valence molybdovanadate compound Na-2(NH4)(4)[(VV8Mo)-V-IV-Mo-V)O-28] . 10H(2)O [Vanadata(6-)tetradeca-mu-oxotetra-mu(3)-oxodi-mu(6)-oxoheptaoxo(oxomolybdate) nonatetrammonium disodium, decahydrate] has been synthesized from sodium molybdate(VI) dihydrate and sodium metavanadate dihydrate in aqueous solution by adding NH2OH . HCl. The molecular structure has been determined by X-ray diffraction and is based on the isopolydecavanadate structure. The molybdate atom is crystallographically disordered over 6MO(6) octahedral sites. The e.s.r. spectrum clearly indicates that one vanadium atom has the oxidation number +4.
引用
收藏
页码：141 / 144
页数：4
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