Browsing by Author "Perlepes, Spyros P."
Now showing items 21-32 of 32
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Nickel/lanthanide single-molecule magnets: {Ni3Ln} "stars" with a ligand derived from the metal-promoted reduction of di-2-pyridyl ketone under solvothermal conditions
Efthymiou, Constantinos G.; Stamatatos, Theocharis C.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Wernsdorfer, W.; Perlepes, Spyros P.; Christou, George (2010)Unusual {NiII3LnIII(μ-OR) 6}3+ complexes with a "star" topology have been prepared with ligands derived from the metal-promoted reduction of di-2-pyridyl ketone under solvothermal conditions
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Rare oxidation-state combinations and unusual structural motifs in hexanuclear Mn complexes using 2-pyridyloximate ligands
Stoumpos, Constantinos C.; Inglis, R.; Roubeau, O.; Sartzi, H.; Kitos, Alexandros A.; Milios, Constantinos J.; Aromí, Guillem; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Brechin, E. K.; Perlepes, Spyros P. (2010)The use of phenyl-2-pyridyl ketone oxime and di-2-pyridyl ketone oxime in Mn chemistry has led to hexanuclear clusters with unprecedented (Mn II4MnIIIMnIV) or extremely rare (MnIIMnIII5 and MnII 3MnIII3) metal oxidation-state ...
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The search for cobalt single-molecule magnets: A disk-like Co IIICoII 6 cluster with a ligand derived from a novel transformation of 2-acetylpyridine
Kitos, Alexandros A.; Efthymiou, Constantinos G.; Papatriantafyllopoulou, Constantina; Nastopoulos, Vassilios; Tasiopoulos, Anastasios J.; Manos, Manolis J.; Wernsdorfer, W.; Christou, George; Perlepes, Spyros P. (2011)The initial employment of 2-acetylpyridine, (py)(Me)CO, in Co cluster chemistry is reported, and the synthesis, crystal structure, and full magnetic study of [Co7(OH)6(L)6](ClO4) 3·1.6H2O (1·1.6H2O) are described
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Solvent-dependent access to mono- and dinuclear copper(II) assemblies based on a flexible imidazole ligand
Kitos, Alexandros A.; Moushi, Eleni E.; Manos, Manolis J.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Nastopoulos, Vassilios (2016)Seven copper(ii) complexes with the less bulky (compared to bis-phenyl-substituted imidazoles used in our previous studies) monodentate 2-phenylimidazole (LH) ligand have been prepared from the general CuII/X-/LH (X- = ...
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"Squaring the clusters": A Mn III 4Ni II 4 molecular square from nickel(ii)-induced structural transformation of a Mn II/III/IV 12 cage
Alexandropoulos, Dimitris I.; Manos, Manolis J.; Papatriantafyllopoulou, Constantina; Mukherjee, S.; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Christou, George; Stamatatos, Theocharis C. (2012)A Mn III 4Ni II 4 molecular square exhibiting slow magnetization relaxation has been prepared from the reaction of a Mn II 4Mn III 6Mn IV 2 cluster and a simple Ni II source. © The Royal Society of Chemistry 2012.
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The supramolecular chemistry of metal complexes with heavily substituted imidazoles as ligands: Cobalt(II) and zinc(II) complexes of 1-methyl-4,5-diphenylimidazole
Kounavi, Konstantina A.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Nastopoulos, Vassilios (2009)An investigation of the MII/X-/L [MII = Co, Ni, Cu, Zn
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Supramolecular features in the engineering of 3d metal complexes with phenyl-substituted imidazoles as ligands: the case of copper(II)
Kounavi, Konstantina A.; Kitos, Alexandros A.; Moushi, Eleni E.; Manos, Manolis J.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Nastopoulos, Vassilios (2015)With the aim of recording and assessing the role and impact of various non-covalent interactions activated during the self-assembly process of 3d metal complexes with organic ligands, the synthesis and X-ray characterization ...
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Supramolecular features in the engineering of 3d metal complexes with phenyl-substituted imidazoles as ligands: the case of copper(ii)1
Kounavi, Konstantina A.; Kitos, Alexandros A.; Moushi, Eleni E.; Manos, Manolis J.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Nastopoulos, Vassilios (2015)
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Triangular NiII2LnIII and Ni II2YIII complexes derived from di-2-pyridyl ketone: Synthesis, structures and magnetic properties
Georgopoulou, Anastasia N.; Efthymiou, Constantinos G.; Papatriantafyllopoulou, Constantina; Psycharis, Vassilis P.; Raptopoulou, Catherine P.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Escuer, Albert; Perlepes, Spyros P. (2011)The synthetic investigation of the NiII/M(NO3) 3·6H2O/di-2-pyridyl ketone [(py)2CO] tertiary reaction system in EtOH has yielded triangular Ni2M cationic complexes (M = lanthanide, Y). The reaction between Ln(NO3) 3·6H2O, ...
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Unexpected formation, X-ray structure, and characterization of the triangular [Ti3O(OMe)6(σ5-C 5H5)3](I3) complex from hydrolysis and methanolysis of [Ti(σ5-C5H5) 2I2]
Stamatatos, Theocharis C.; Perlepes, Spyros P.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Klouras, N. (2011)A convenient route has been developed for the formation of [Ti IV3O(OMe)6(σ5-C 5H5)3](I3) (2) involving methanolysis (and possibly hydrolysis) of species derived from titanocene diiodide, [TiIV(σ5-C5H5) 2I2] (1), under ...
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Use of the sulfato ligand in 3d-metal cluster chemistry: A family of hexanuclear nickel(II) complexes with 2-pyridyl-substituted oxime ligands
Papatriantafyllopoulou, Constantina; Aromí, Guillem; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Raptopoulou, Catherine P.; Teat, S. J.; Escuer, Albert; Perlepes, Spyros P. (2007)The initial use of 2-pyridyl-substituted oximes [(py)C(R)-NOH
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Zinc(II) and nickel(II) benzoate complexes from the use of 1-methyl-4,5-diphenylimidazole
Nastopoulos, Vassilios; Kounavi, Konstantina A.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Perlepes, Spyros P. (2010)Two new complexes, [Zn (O2CPh)2 (L)2] · 2MeOH (1 · 2MeOH) and [Ni2(O2CPh)) 4(L)2] · 2MeCN (2 · 2MeCN), have been synthesized and characterized by X-ray analysis in the course of an ongoing investigation of the MII/X-/L[MII ...