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Coordination Clusters of 3d-Metals That Behave as Single-Molecule Magnets (SMMs): Synthetic Routes and Strategies
This review will first summarize the early synthetic efforts and routes for the preparation of polynuclear 3d-metal SMMs, and it will be then concentrated on the description of the existing strategies. Expand
A record anisotropy barrier for a single-molecule magnet.
Structural distortion in a [Mn6] complex switches the magnetic exchange from antiferro- to ferromagnetic, resulting in a single-molecule magnet with a record anisotropy barrier.
Hexanuclear manganese(III) single-molecule magnets.
The bridging azido ligand as a central “player” in high-nuclearity 3d-metal cluster chemistry
Abstract The chemistry of the azido-bridged coordination clusters continues to attract the intense interest of synthetic inorganic chemists and scientists working in the interdisciplinary field ofExpand
Initial example of a triangular single-molecule magnet from ligand-induced structural distortion of a [MnIII3O]7+ complex.
Ferromagnetic exchange interactions between the three MnIII ions in the nonplanar [MnIII3O]7+ triangular core lead to a spin ground state of S = 6; single-crystal studies reveal the temperature and sweep rate dependent hysteresis loops expected for a single-molecule magnet. Expand
Adventures in the Coordination Chemistry of Di-2-pyridyl Ketone and Related Ligands: From High-Spin Molecules and Single-Molecule Magnets to Coordination Polymers, and from Structural Aesthetics to
The coordination chemistry of di-2-pyridyl ketone and related ligands is reviewed. An outline of the variety of such ligands is presented. References are given to methods for the synthesis of ligandsExpand
The first cobalt metallacrowns: preparation and characterization of mixed-valence cobalt(II/III), inverse 12-metallacrown-4 complexes.
Complexes 1 and 2 are the first Co members in the family of metallacrowns adopting the extremely rare inverse 12-metallac Crown-4 motif. Expand
Ferromagnetic coupling in a 1D coordination polymer containing a symmetric [Cu(mu1,1-N3)2Cu(mu1,1-N3)2Cu]2+ core and based on an organic ligand obtained from the solid state.
Density functional calculations reproduce very well the experimental J values and show that ferromagnetism for this complex is mainly due to the topology of the magnetic orbitals and the different coordination spheres of two neighboring Cu(II) atoms, resulting in a small overlap of the orbitals possessing the unpaired electrons. Expand
Reactions of 3d-metal nitrates with N,N′-bis(2-pyridyl)urea (LH2): preparation, X-ray crystal structures and spectroscopic studies of the products trans-[M(II)(ONO2)2(LH2)2] (M=Mn, Fe, Co, Ni, Cu,
Abstract The reactions of M(NO 3 ) 2 ·4H 2 O (M=Mn, Zn), M(NO 3 ) 2 ·6H 2 O (M=Co, Ni), Cu(NO 3 ) 2 ·3H 2 O and Fe(NO 3 ) 3 ·9H 2 O with the di-substituted urea ligand N , N ′-bis(2-pyridyl)urea (LHExpand
Complexes derived from the copper(II)/succinamic acid/N,N′,N″-chelate tertiary reaction systems: Synthesis, structural and spectroscopic studies
Abstract The use of succinamic acid (H2sucm) in CuII/N,N′,N″-donor [2,2′:6′,2″-terpyridine (terpy), 2,6-bis(3,5-dimethylpyrazol-1-yl)pyridine (dmbppy)] reaction mixtures yielded compoundsExpand