Influence of counter anions on the structures and magnetic properties of trinuclear Cu(II) complexes containing a μ3-OH core and Schiff base ligands

[1]  C. O'connor.  Magnetochemistry—Advances in Theory and Experimentation , 2007 .

[2]  M. Drew,et al.  Trinuclear Cu(II) complexes containing peripheral ketonic oxygen bridges and a μ3-OH core: Steric influence on their structures and existence , 2006 .

[3]  Keiji Matsumoto,et al.  Preparation, structures and properties of dinuclear and trinuclear copper(II) complexes bridged by one oximato and one hydroxo ligands , 2004 .

[4]  P. Cheng,et al.  Synthesis, X-ray structure and magnetic properties of trinuclear copper(II) tridentate Schiff base complexes containing a partial cubane Cu3O4 core , 2003 .

[5]  M. Drew,et al.  Syntheses, characterization and x-ray crystal structures of copper(II) and nickel(II) complexes of tridentate monocondensed diamines , 2003 .

[6]  F. Cotton,et al.  Observation of symmetry lowering and electron localization in the doublet-states of a spin-frustrated equilateral triangular lattice: Cu3(O2C16H23) x 1.2C6H12. , 2003, Journal of the American Chemical Society.

[7]  Gabriele Bocelli,et al.  Synthesis, characterisation and X-ray crystal structure of copper(II) complexes with unsymmetrical tetradentate schiff base ligands: First evidence of Cu(II) catalysed rearrangement of unsymmetrical to symmetrical complex , 2003 .

[8]  J. G. Haasnoot,et al.  Cyclic Trinuclear and Chain of Cyclic Trinuclear Copper(II) Complexes Containing a Pyramidal Cu3O(H) Core. Crystal Structures and Magnetic Properties of [Cu3(μ3-OH)(aaat)3(H2O)3](NO3)2·H2O [aaat = 3-Acetylamino-5-amino-1,2,4-triazolate] and {[Cu3(μ3-OH)(aat)3(μ3-SO4)]·6H2O}n [aat = 3-Acetylamino-1,2 , 2002 .

[9]  I. Guzei,et al.  Single-molecule magnets: Jahn-Teller isomerism and the origin of two magnetization relaxation processes in Mn12 complexes. , 2001, Inorganic chemistry.

[10]  J. G. Haasnoot,et al.  Trinuclear N,N-bridged copper(II) complexes involving a Cu3OH core: [Cu3(mu 3-OH)L3A(H2O)2]A.(H2O)x (L = 3-acetylamino-1,2,4-triazolate; a = CF3SO3, NO3, ClO4; x = 0, 2) synthesis, X-ray structures, spectroscopy, and magnetic properties. , 2000, Inorganic chemistry.

[11]  R. C. Squire,et al.  Manganese carboxylate clusters: from structuralaesthetics to single-molecule magnets fn1 fn1 Dedicated to Professor Jack Lewis on the occasion ofhis 70 th birthday. , 1998 .

[12]  A. Powell,et al.  Electron Localization and Delocalization in Mixed-Valence Transition Metal Clusters: Structural and Spectroscopic Studies of Oxo-Centered Trinuclear Complexes [Fe 3 O(OOCCMe 3 ) 6 (py) 3 ] +/0 and [Mn 3 O(OOCCMe 3 ) 6 (py) 3 ] +/0 , 1998 .

[13]  M. Hanaya,et al.  The Valence-Detrapping Phase Transition in a Crystal of the Mixed-Valence Trinuclear Iron Cyanoacetate Complex [Fe(3)O(O(2)CCH(2)CN)(6)(H(2)O)(3)]. , 1997, Inorganic chemistry.

[14]  D. Gatteschi,et al.  SINGLE-CRYSTAL EPR STUDIES OF A SPIN-FRUSTRATED IMIDAZOLATE-BRIDGED TRINUCLEAR COPPER(II) COMPLEX , 1997 .

[15]  C. Sangregorio,et al.  QUANTUM TUNNELING OF THE MAGNETIZATION IN AN IRON CLUSTER NANOMAGNET , 1997 .

[16]  A. Powell,et al.  Crystal Structures of the Isomorphous Prototypic Oxo-Centered Trinuclear Complexes [Cr(3)O(OOCCH(3))(6)(H(2)O)(3)]Cl.6H(2)O and [Fe(3)O(OOCCH(3))(6)(H(2)O)(3)]Cl.6H(2)O. , 1997, Inorganic chemistry.

[17]  L. Thomas,et al.  Macroscopic quantum tunnelling of magnetization in a single crystal of nanomagnets , 1996, Nature.

[18]  D. Gatteschi.  Magnetic molecular materials , 1996 .

[19]  K. Sakai,et al.  Synthesis, Crystal Structure, and Solution Properties of a Hexacopper(II) Complex with Bridging Hydroxides, Pyrazolates, and Nitrates. , 1996, Inorganic chemistry.

[20]  M. Date,et al.  Electron Spin Resonance in Cr-Trimer Complexes , 1992 .

[21]  M. Kwiatkowski,et al.  Nickel(II) complexes with unsymmetrical quadridentate schiff bases having a pendant N-acyl substituent , 1992 .

[22]  J. Gisselbrecht,et al.  Trinuclear copper(II) hydroxo and hexanuclear copper(II) oxo complexes with the ligand 3-(benzylimino)butanone 2-oxime. Syntheses and spectral, structural and redox characteristics , 1991 .

[23]  M. Kwiatkowski,et al.  Mono- and di-nuclear nickel(II) complexes with Schiff bases derived from 4-substituted 2,6-diformylphenol and 7-amino-4-methyl-5-azahept-3-en-2-one; crystal and molecular structure of [4-chloro-2,6-bis(4-methyl-2-oxo-5,8-diazanona-3,8-dienyl)phenolato(3–)]dinickel(II) bromide hemihydrate , 1990 .

[24]  N. Masciocchi,et al.  Oxidation reaction of [{Cu(Hpz)2Cl}2](Hpz = pyrazole): synthesis of the trinuclear copper(II) hydroxo complexes [Cu3(OH)(pz)3(Hpz)2Cl2]·solv (solv = H2O or tetrahydrofuran). Formation, magnetic properties, and X-ray crystal structure of [Cu3(OH)(pz)3(py)2Cl2]·py (py = pyridine) , 1990 .

[25]  M. Kwiatkowski,et al.  New nickel(II) and palladium(II) complexes with unsymmetrical quadridentate Schiff bases derived from 8-amino-4-methyl-5-azaoct-3-en-2-one. Crystal and molecular structure of [4,10-dimethyl-3-(nitroso-χN)-5,9-(diaza-χ2N)-trideca-3,10-diene-2,12-(dionato-χO)(2–)]nickel(II) , 1990 .

[26]  Roderick D. Cannon,et al.  Chemical and physical properties of triangular bridged metal complexes , 1989 .

[27]  M. Kwiatkowski,et al.  A convenient synthetic route to the monocondensation products of pentane-2,4-dione and aliphatic α,ω-diamines. Synthesis, x-ray structure and magnetic properties of a trinuclear copper(II) complex with 8-amino-5-aza-4-methyl-3-octene-2-one , 1988 .

[28]  M. Suzuki,et al.  Chloroacetylation or bromoacetylation on the methine carbon of an asymmetrical quadridentate schiff base copper(II) complex , 1988 .

[29]  H. O̅kawa,et al.  Synthesis, characterization, and X-ray crystal structures of mononuclear copper(II) complexes with unsymmetrical quadridentate ligands involving an imidazole moiety and discrete imidazolate-bridged binuclear copper(II) complexes with non-identical co-ordination geometries in the binuclear unit , 1988 .

[30]  H. O̅kawa,et al.  Synthesis and X-ray crystal structures of an imidazolate-bridged polynuclear copper(II) complex exhibiting a unique helicoid structure and its precursor mononuclear complex , 1988 .

[31]  J. Costes.  Unsymmetrical tetradentate ligand complexes of copper(II) and nickel(II) with N3O donor sets and ethylenediamine bridges , 1987 .

[32]  M. Kwiatkowski,et al.  A Novel Unsymmetrical Quadridentate Ligand 1‐(2′‐Aminophenyl)‐6‐methyl‐2,5‐diazanona‐1,6‐diene‐8‐one and Its Complexes with Copper(II), Nickel(II) and Palladium(II). , 1986 .

[33]  H. O̅kawa,et al.  Synthesis and Characterization of Imidazolate-Bridged Binuclear Copper(II) Complexes , 1986 .

[34]  F. Dahan,et al.  Synthesis, characterization, structure, and magnetic properties of the novel trinuclear copper(II) hydroxo complex [(AE)3Cu3OH](ClO4)2 (AEH=7-amino-4-methyl-5-aza-3-hepten-2-one) , 1986 .

[35]  H. Adams,et al.  The syntheses, properties and crystal and molecular structures of the copper(II) and nickel(II) complexes of the non-symmetric schiff bases, derived from 1,2-diaminoethane, pentane-2,4-dione and 2-pyrollecarboxaldehyde , 1985 .

[36]  H. Nishimura,et al.  Anomalous g-Value of a Cr-Trimer Complex, Cr-Propionate {Cr3O(C2H5COO)6(H2O)3}NO32H2O , 1985 .

[37]  M. Kwiatkowski,et al.  Metal complexes with unsymmetrical tetradentate ketoenamines derived from β-diketones or ethoxymethylene-β-dicarbonyl compounds and 1-amino-4-methyl-3-azahept-4-ene-6-one , 1984 .

[38]  M. Kwiatkowski,et al.  Metal complexes with unsymmetrical tetradentate Schiff bases , 1984 .

[39]  A. Spek,et al.  Synthesis, magnetic properties, and X-ray structure of catena-µ3-nitrato-O,O′,O″-[µ3-hydroxo-1-nitrato-1,2;1,3;2,3-tris(µ-pyrazolato-N,N′)-2,3-bis(pyrazole-N2)tricopper(II) monohydrate]. An unusual chain of trinuclear copper clusters , 1983 .

[40]  J. Costes,et al.  The non-template synthesis of novel non-symmetrical, tetradentate Schiff bases. Their nickel(II) and cobalt(III) complexes , 1982 .

[41]  V. Zelentsov,et al.  EPR spectra of trigonal clusters , 1981 .

[42]  R. Butcher,et al.  Synthesis and relation between magnetism and structure of a trinuclear copper(II) hydroxo complex [Cu3OHL3(ClO4)]ClO4 and a hexanuclear copper(II) oxo complex [Cu3OL′3(ClO4)]2 (LH = 3-(phenylimino)butanone 2-oxime, L′H = 1,2-diphenyl-2-(methylimino)ethanone 1-oxime) , 1981 .

[43]  S. Baral,et al.  New trinuclear copper(II) species , 1980 .

[44]  B. Tsukerblat,et al.  Antisymmetric exchange in the trinuclear clusters of copper (II) , 1975 .

[45]  P. F. Ross,et al.  μ3‐Hydroxo(oxo)‐tri‐μ‐(2‐propylamino‐2‐methyl‐3‐butanone oximato)‐triaquo‐tricopper(II) perchlorate.4H2O , 1974 .

[46]  R. Beckett,et al.  Crystal and molecular structure of a trinuclear copper(II) complex: µ3-hydroxo-tri-µ-(pyridine-2-carbaldehyde oximato)-µ3-sulphato-tricopper(II)–16·3water , 1972 .

[47]  T. Moriya.  Anisotropic Superexchange Interaction and Weak Ferromagnetism , 1960 .

[48]  T. Moriya.  Theory of Magnetism of NiF 2 , 1960 .