Alkaline Earth Guests in Polyoxopalladate Chemistry: From Nanocube to Nanostar via an Open-Shell Structure

被引：55

作者：

Yang, Peng ^{[1
]}

Xiang, Yixian ^{[1
]}

Lin, Zhengguo ^{[1
]}

Bassil, Bassem S. ^{[1
]}

Cao, Jie ^{[2
]}

Fan, Linyuan ^{[2
]}

Fan, Yanxuan ^{[2
]}

Li, Ming-Xing ^{[3
]}

Jimenez-Lozano, Pablo ^{[4
]}

Carbo, Jorge J. ^{[4
]}

Poblet, Josep M. ^{[4
]}

Kortz, Ulrich ^{[1
]}

机构：

[1] Jacobs Univ Bremen, Sch Sci & Engn, D-28725 Bremen, Germany

[2] Beijing Inst Technol, Key Lab Cluster Sci, Minist Educ China,Sch Chem, Beijing Key Lab Photoelect Electrophoton Convers, Beijing 100081, Peoples R China

[3] Shanghai Univ, Coll Sci, Dept Chem, Shanghai 200444, Peoples R China

[4] Univ Rovira & Virgili, Dept Quim Fis & Inorgan, E-43007 Tarragona, Spain

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 44期

基金：

中国国家自然科学基金;

关键词：

cluster compounds; palladium; polyoxometalates; template effect; X-ray diffraction; METAL-IONS;

D O I：

10.1002/anie.201407090

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The three novel, discrete palladium(II)-oxo clusters [CaPd12O8(PhAsO3)(8)](6) (CaPd12), [SrPd12O6(OH)(3-) (PhAsO3)(6)(OAc)(3)](4-) (SrPd12), and [BaPd15O10(PhAsO3)(10)](8-) (BaPd15) encapsulating alkaline earth metal ions were prepared and fully characterized by a multitude of solution and solid-state physicochemical techniques. We have discovered a structure-directing template effect induced by the respective size of the alkaline earth guest ion, which determines the detailed condensation arrangement of the peripheral Pd-II-oxo shell. The unprecedented SrPd12 with an open-shell type structure is of particular importance and reflects a successful strategy for deliberate design of new structural classes of polyoxo-noble-metalates. Furthermore, the unusual acetate-water ligand exchange phenomenon renders SrPd12 as a promising candidate for noble-metal-based catalysis.

引用

页码：11974 / 11978

页数：5

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