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
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
收藏
页码:11974 / 11978
页数:5
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