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Título: | A novel bis-β-diketonate ligand stabilizes a [Co(II)8] cage that encapsulates a (μ3-O)⋯H⋯(μ3-O) moiety |
Autor: | Salinas-Uber, Jorge; Barrios, L. A.; Roubeau, Olivier CSIC ORCID; Aromí, Guillem | Fecha de publicación: | 2013 | Editor: | Elsevier | Citación: | Polyhedron 54: 8-12 (2013) | Resumen: | The novel ligand 1,3-bis-(3-oxo-3-(2-hydroxyphenyl)-propionyl)-2-pyridine, H4L, is used here for the first time. In a reaction with Co(II) it produces the complex salt [Co8O(OH)(H2L) 6]NO3 (1), containing an octametallic cluster cation. The topology of this cluster, which encapsulates a rare (μ3-O) ⋯H⋯(μ3-O) at its interior, exhibits a remarkable similarity to the cofactor of nitrogenase FeMoco. It features intramolecular antiferromagnetic interactions, which can be simulated using a spin-only model, yielding an S = 0 spin ground state, lying very close to numerous excited states. | Versión del editor: | http://dx.doi.org/10.1016/j.poly.2013.02.014 | URI: | http://hdl.handle.net/10261/117465 | DOI: | 10.1016/j.poly.2013.02.014 | ISSN: | 0277-5387 |
Aparece en las colecciones: | (ICMA) Artículos |
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