Journal
CRYSTENGCOMM
Volume 14, Issue 14, Pages 4664-4669Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ce25328c
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Funding
- Foundation of the National Natural Science Foundation of China [20 971 054, 90 922 034]
- Specialized Research Fund for the Doctoral Program of Higher Education
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Two three-dimensional metal-organic frameworks, [Cd3K(L-1)(6)(H2O)(3)](OH)(DMF)(4) (1) (HL1 = 3-pyrid-4-ylbenzoic acid) and [Cd(L-2)(2)](DMF)(H2O)(0.25) (2) (HL2 = 4-pyrid-4-ylbenzoic acid), have been synthesized by using two ligands with different configuration and characterized by X-Ray diffraction and other techniques. Compound 1 shows a nanosize channel which is constructed by interlocked six-fold one-dimensional helical chains with the asymmetrical ligand HL1. Compared with compound 1, compound 2 shows a larger size channel with the symmetrical ligand HL2 in a single set of diamond cage. Nevertheless, the whole structure with the 4-fold interpenetrated diamondoid network leads to the absence of void space. The two compounds exhibit fascinating luminescence because of the interaction between Cd ions and organic ligands.
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