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Issue 11, 2003
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Synthesis, structure, and preliminary magnetic studies of unprecedented hexacopper(ii) barrel clusters with spin ground state S = 3

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Abstract

The structure of a discrete hexacopper(II) barrel cluster and that of a coordination polymer formed by a related hexanuclear repeating unit have been determined. The CuII metals of the hexanuclear units are held together by eight chelating L-prolinato type ligands, which in turn provide the eight oxygen donors trapping a sodium ion in the center. The structure of the [Cu6Na] unit in the discrete system and in the infinite cluster-chain are essentially the same and both display intra-unit ferromagnetic superexchange. A preliminary magnetic study shows that, for both compounds, the copper centers within the [Cu6] unit are ferromagnetically coupled, yielding an S = 3 spin ground state.

Graphical abstract: Synthesis, structure, and preliminary magnetic studies of unprecedented hexacopper(ii) barrel clusters with spin ground state S = 3

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Supplementary files

Article information


Submitted
20 Dec 2002
Accepted
24 Mar 2003
First published
15 Apr 2003

Dalton Trans., 2003, 2318-2324
Article type
Paper

Synthesis, structure, and preliminary magnetic studies of unprecedented hexacopper(II) barrel clusters with spin ground state S = 3

L. Wang, S. Igarashi, Y. Yukawa, Y. Hoshino, O. Roubeau, G. Aromí and R. E. P. Winpenny, Dalton Trans., 2003, 2318
DOI: 10.1039/B212494G

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