A new tetrameric CuII cluster with square topology exhibiting ferro- and antiferromagnetic magnetic pathways : which is which?
Literature Information
Mau Sinha Ray, Ashutosh Ghosh, Ansuman Das, Michael G. B. Drew, Jordi Ribas-Ariño, Juan Novoa, Joan Ribas
[Cu4L2(bpy)4(H2O)3](ClO4)4·2.5H2O, 1, a new tetranuclear CuII 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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