Controlled Synthesis of Polyoxopalladates, and Their Gas-Phase Fragmentation Study by Electrospray Ionization Tandem Mass Spectrometry

被引：24
|
作者：
Lin, Zhengguo [1 ]
Wang, Bo [1 ]
Cao, Jie [1 ]
Chen, Baokuan [1 ]
Xu, Chong [1 ]
Huang, Xianqiang [1 ,2 ]
Fan, Yanxuan [1 ]
Hu, Changwen [1 ]
机构：
[1] Beijing Inst Technol, Sch Chem, Key Lab Cluster Sci, Minist Educ China, Beijing 100081, Peoples R China
[2] Liaocheng Univ, Sch Chem & Chem Engn, Liaocheng 252059, Peoples R China
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2013年 / 2013卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Controlled synthesis; Polyoxometalates; Gas-phase fragmentation; Mass spectrometry; Palladium; EFFECTIVE IONIC-RADII; COMPLEXITIES; METALS; ANIONS; OXIDES; CATION;
D O I：
10.1002/ejic.201300372
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new polyoxopalladates Na2H3[Pd12(3-SeO3)8(4-O)6(3-O)2Cr]25H2O (1) and Na8H7[Pd12(3-SeO3)8(4-O)8In]324H2O (2) have been synthesized by using Cr3+ and In3+ ions as structural directing agents. The two polyoxopalladates have been characterized by single-crystal X-ray diffraction (SXRD), FTIR and UV/Vis spectroscopy, elemental analysis (EA), ESI-MS, and thermogravimetric analysis (TGA). Detailed SXRD analysis combined with the ESI-MS and a collision-induced dissociation (CID) fragmentation study shows that the coordination configurations of the central ions are different; this affects the stability and fragmentation mechanism of the clusters in the gas phase. This approach may help us to understand the dissociation chemistry and the catalysis mechanism of polyoxopalladates.
引用
收藏
页码：3458 / 3463
页数：6
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