title: A new tetrameric CuII cluster with square topology exhibiting ferro- and antiferromagnetic magnetic pathways : which is which?
abstract: [Cu(4)L(2)(bpy)(4)(H(2)O)(3)](ClO(4))(4).2.5H(2)O, 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.
authors.affiliation: Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, India.
authors.forename: Mau Sinha
authors.initials: MS
authors.lastname: Ray
authors.forename: Ashutosh
authors.initials: A
authors.lastname: Ghosh
authors.forename: Ansuman
authors.initials: A
authors.lastname: Das
authors.forename: Michael G B
authors.initials: MG
authors.lastname: Drew
authors.forename: Jordi
authors.initials: J
authors.lastname: Ribas-Arino
authors.forename: Juan
authors.initials: J
authors.lastname: Novoa
authors.forename: Joan
authors.initials: J
authors.lastname: Ribas