ICCAS OpenIR
Steric hindrance-dependent rational design and synthesis of three new Keggin-based supramolecular networks
Zhang, Xiao1,2; Yi, Zhihui3; Zhao, Liyan1,2; Chen, Qian1,2; Gu, Xianmo1,2; Xu, Jiqing4,5; Wang, Xiaolin1,2; Yang, Chao1,2; Xu, Xianzhu1,2; Xia, Wujiong1,2
2009
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Issue42Pages:9198-9206
AbstractThree supramolecular architectures based on alpha-Keggin-type polyoxometalates have been synthesized hydrothermally, and their structures have been characterized by elemental analyses, infrared (IR) spectroscopy, X-ray photoelectron spectroscopy (XPS) and single crystal X-ray diffraction structure analyses. [Ni(enMe)(2)(H(2)O)(2)](2)[Ni(enMe)(2)PW(9)(VI)W(3)(V)O(40)]center dot H(2)O (1) (enMe = 1,2'-propanediamine) exhibits a novel 2-D supramolecular sinusoidal layer through the interactions between transition metal complexes and 1-D covalent chains which are constructed from alpha-Keggin units bridged by transition metal complexes. [Ni(enMe)(2)](4){[Ni(enMe)(2)][Ni(enMe)(2)(H(2)O)AsW(6)(VI)W(4)(V)V(4)(IV)O(42)](2)}center dot 6H(2)O (2), representing a 3-D supramolecular framework with 1-D channels, contains the first example of a tungstate dimer with inorganic-organic composite surfaces built up from [Ni(enMe)(2)](2+) cation bridges and bi-capped alpha-Keggin polyoxometalate building blocks supporting the transition metal complex. [Ni(enMe)(2)](4){[Ni(enMe)(2)][Ni(enMe)(2)(H(2)O)AsMo(4)(VI)Mo(4)(V)V(8)(IV)O(44)](2)}center dot 8H(2)O (3), showing a 3-D supramolecular framework with 1-D channels, contains the first example of a molybdoarsenate dimer formed by [Ni(enMe)(2)](2+) cations bridging two neighboring tetra-capped alpha-Keggin-based molybdates that support the transition metal complex [Ni(enMe)(2)H(2)O]. The topological networks of the supramolecular frameworks of 2 and 3 are analogous. Crystal structural analysis reveals that the dimensionality and the organization of polyoxometalate building units in the solid state can be tuned by the steric hindrances of the polyanions. Both 2 and 3 exhibit intensive photoluminescence.
DOI10.1039/b906313g
Indexed BySCI
Language英语
WOS IDWOS:000270973800018
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68414
Collection中国科学院化学研究所
Corresponding AuthorXia, Wujiong
Affiliation1.Harbin Inst Technol, SKLUWRE, Harbin 150080, Heilongjiang, Peoples R China
2.Harbin Inst Technol, Acad Fundamental & Interdisciplinary Sci, Harbin 150080, Heilongjiang, Peoples R China
3.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
4.Jilin Univ, Coll Chem, Changchun 130023, Jilin, Peoples R China
5.Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Jilin, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xiao,Yi, Zhihui,Zhao, Liyan,et al. Steric hindrance-dependent rational design and synthesis of three new Keggin-based supramolecular networks[J]. DALTON TRANSACTIONS,2009(42):9198-9206.
APA Zhang, Xiao.,Yi, Zhihui.,Zhao, Liyan.,Chen, Qian.,Gu, Xianmo.,...&Xia, Wujiong.(2009).Steric hindrance-dependent rational design and synthesis of three new Keggin-based supramolecular networks.DALTON TRANSACTIONS(42),9198-9206.
MLA Zhang, Xiao,et al."Steric hindrance-dependent rational design and synthesis of three new Keggin-based supramolecular networks".DALTON TRANSACTIONS .42(2009):9198-9206.
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