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Issue 8, 2013

Two polymeric 36-metal pure lanthanide nanosize clusters

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Abstract

Two rarely seen 2D coordination polymers based on huge 36-metal pure lanthanide clusters, {[Gd36(NA)36(OH)49(O)6(NO3)6(N3)3(H2O)20]Cl2·28H2O}n (1) and {[Dy36(NA)36(OH)49(O)6(NO3)6(N3)3(H2O)20]Cl2·28H2O}n (2) (HNA = nicotinic acid), were synthesized and structurally characterized. The spherical Ln36 skeleton can be viewed as the aggregation of one cyclohexane chair-like Ln24 wheel and two identical tripod-like Ln6 units. The coordination of the carboxylic groups of the NA ligands with the Ln(III) cations results in a square layer. Additionally, compound 1 possesses a large MCE of 39.66 J kg−1 K−1 and compound 2 exhibits slow relaxation of the magnetization.

Graphical abstract: Two polymeric 36-metal pure lanthanide nanosize clusters

Supplementary files

Article information


Submitted
03 Apr 2013
Accepted
16 May 2013
First published
17 May 2013

Chem. Sci., 2013,4, 3104-3109
Article type
Edge Article

Two polymeric 36-metal pure lanthanide nanosize clusters

M. Wu, F. Jiang, X. Kong, D. Yuan, L. Long, S. A. Al-Thabaiti and M. Hong, Chem. Sci., 2013, 4, 3104 DOI: 10.1039/C3SC50887K

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