A new tetrameric CuII cluster with square topology exhibiting ferro- and antiferromagnetic magnetic pathways : which is which?

Mau Sinha Ray; Ashutosh Ghosh; Ansuman Das; Michael G. B. Drew; Jordi Ribas-Ariño; Juan Novoa; Joan Ribas

doi:10.1039/B401061B

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A new tetrameric Cu^II cluster with square topology exhibiting ferro- and antiferromagnetic magnetic pathways : which is which?†

Mau Sinha Ray,^a Ashutosh Ghosh,*^a Ansuman Das,^a Michael G. B. Drew,^b Jordi Ribas-Ariño,^c Juan Novoa^c and Joan Ribas*^d

Author affiliations

* Corresponding authors

^a Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, India
E-mail: ghosh_59@yahoo.com

^b School of Chemistry, The University of Reading, PO BOX 224, Whiteknights, Reading, UK

^c Departament de Química Física and CeRQT, Universitat de Barcelona, Av. Diagonal, 647, 08028-Barcelona, Spain

^d Departament de Química Inorgànica, Universitat de Barcelona, Av. Diagonal, 647, 08028-Barcelona, Spain
E-mail: joan.ribas@qi.ub.es

Abstract

[Cu₄L₂(bpy)₄(H₂O)₃](ClO₄)₄·2.5H₂O, 1, a new tetranuclear Cu^II cluster showing square planar geometry, formed with aspartate bridging ligand (L) has been synthesized. The global magnetic coupling is ferromagnetic but theoretical DFT/B3LYP calculations are necessary to assign which Cu–L–Cu side is ferro or antiferromagnetically coupled.

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Article information

DOI: https://doi.org/10.1039/B401061B
Article type: Communication
Submitted: 22 Jan 2004
Accepted: 22 Mar 2004
First published: 05 Apr 2004

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Chem. Commun., 2004, 1102-1103

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A new tetrameric Cu^II cluster with square topology exhibiting ferro- and antiferromagnetic magnetic pathways : which is which?

M. S. Ray, A. Ghosh, A. Das, M. G. B. Drew, J. Ribas-Ariño, J. Novoa and J. Ribas, Chem. Commun., 2004, 1102 DOI: 10.1039/B401061B

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