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- Title
Two Series of Sandwich Frameworks Based on Two Different Kinds of Nanosized Lanthanide(III) and Copper(I) Wheel Cluster Units.
- Authors
Fang, Wei‐Hui; Cheng, Jian‐Wen; Yang, Guo‐Yu
- Abstract
Two series of sandwich frameworks, [La6(μ3-OH)2(ox)3L12Cu11(μ3-X)6(μ2-X)3]⋅8 H2O (X=Br/Cl, FJ-21 a/b; L=4-pyridin-4-yl-benzonate; ox=oxalate) and [Ln4(OAc)3(H2O)4L9][Cu(μ3-I)]@[Cu10(μ3-I)(μ4-I)6(μ5-I)3]⋅7H2O (Ln=Pr/Nd/ Sm/Eu, FJ-22 a/ b/ c/ d; OAc=acetate) have been hydrothermally prepared. These sandwich frameworks are assembled by two different kinds of nanosized lanthanide(III) and copper(I) wheel cluster units, La18 and 3Cu@Cu24 in FJ-21, Ln24 and Cu2@Cu24 in FJ-22. The synergistic coordination between organic ligands, L and oxalate/acetate, leads to the formation of La18 and Ln24 wheels, while the synergistic coordination between organic L and inorganic Br/I ligands results in 3Cu@Cu24 and Cu2@Cu24 wheels for FJ-21 and FJ-22, respectively. Thus, two types of synergistic coordination between two different organic ligands, as well as inorganic and organic ligands are simultaneously observed in FJ-21 and FJ-22.
- Subjects
RARE earth metals; COPPER; OXALATES; LIGANDS (Chemistry); ACETATES
- Publication
Chemistry - A European Journal, 2014, Vol 20, Issue 10, p2704
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201304165