Effect of the counter-anion on the structural and magnetic properties of a copper(II) complex with 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6- (methylthio)phenol

J. Manzur, H. Mora, V. Paredes-García, A. Vega, M. A. Novak

Resultado de la investigación: Article

1 Cita (Scopus)

Resumen

A new 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6-(methylthio)phenol copperII perchlorate, complex, [Cu2(μ-SL) 2](ClO4)2 (1), was synthesized and magnetically and structurally characterized. The complex consists of two similar but not equivalent [Cu2(μ-SL)2]2+ bimetallic cations designed as P and Q. Cation P has a square-base pyramidal cupric centre bonded to an approximately trigonal bipyramidal one, while cation Q has two equivalent square-base pyramidal copper centres, related by an inversion center. The cupric centres in both units are bridged by two phenolate oxygen atoms from two deprotonated HSL molecules, defining a central Cu2O2 core. Each CuII centre has a N3O2 coordination sphere. Magnetic studies done for (1) show an overall weak antiferromagnetic behavior. The best fit of the experimental data was obtained using a modified Bleaney-Bowers equation with g1 = g2 = 2.05, JP = -13.4 cm-1 and JQ = +5.22 cm-1 for P and Q, respectively. The properties of the new complex are compared to those reported for the hexafluorophosphate complex with the same ligand, in terms of the effect of the distortion caused by the use of a different anion.

Idioma originalEnglish
Páginas (desde-hasta)180-185
Número de páginas6
PublicaciónPolyhedron
Volumen51
N.º1
DOI
EstadoPublished - 4 mar 2013

Huella dactilar

phenols
Phenols
Anions
Cations
Structural properties
Copper
Magnetic properties
counters
Negative ions
Positive ions
magnetic properties
anions
copper
cations
Ligands
Oxygen
Atoms
perchlorates
Molecules
oxygen atoms

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Citar esto

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title = "Effect of the counter-anion on the structural and magnetic properties of a copper(II) complex with 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6- (methylthio)phenol",
abstract = "A new 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6-(methylthio)phenol copperII perchlorate, complex, [Cu2(μ-SL) 2](ClO4)2 (1), was synthesized and magnetically and structurally characterized. The complex consists of two similar but not equivalent [Cu2(μ-SL)2]2+ bimetallic cations designed as P and Q. Cation P has a square-base pyramidal cupric centre bonded to an approximately trigonal bipyramidal one, while cation Q has two equivalent square-base pyramidal copper centres, related by an inversion center. The cupric centres in both units are bridged by two phenolate oxygen atoms from two deprotonated HSL molecules, defining a central Cu2O2 core. Each CuII centre has a N3O2 coordination sphere. Magnetic studies done for (1) show an overall weak antiferromagnetic behavior. The best fit of the experimental data was obtained using a modified Bleaney-Bowers equation with g1 = g2 = 2.05, JP = -13.4 cm-1 and JQ = +5.22 cm-1 for P and Q, respectively. The properties of the new complex are compared to those reported for the hexafluorophosphate complex with the same ligand, in terms of the effect of the distortion caused by the use of a different anion.",
keywords = "Counteranion effect, Dicopper(II) complex, Magnetism, Structure",
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T1 - Effect of the counter-anion on the structural and magnetic properties of a copper(II) complex with 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6- (methylthio)phenol

AU - Manzur, J.

AU - Mora, H.

AU - Paredes-García, V.

AU - Vega, A.

AU - Novak, M. A.

PY - 2013/3/4

Y1 - 2013/3/4

N2 - A new 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6-(methylthio)phenol copperII perchlorate, complex, [Cu2(μ-SL) 2](ClO4)2 (1), was synthesized and magnetically and structurally characterized. The complex consists of two similar but not equivalent [Cu2(μ-SL)2]2+ bimetallic cations designed as P and Q. Cation P has a square-base pyramidal cupric centre bonded to an approximately trigonal bipyramidal one, while cation Q has two equivalent square-base pyramidal copper centres, related by an inversion center. The cupric centres in both units are bridged by two phenolate oxygen atoms from two deprotonated HSL molecules, defining a central Cu2O2 core. Each CuII centre has a N3O2 coordination sphere. Magnetic studies done for (1) show an overall weak antiferromagnetic behavior. The best fit of the experimental data was obtained using a modified Bleaney-Bowers equation with g1 = g2 = 2.05, JP = -13.4 cm-1 and JQ = +5.22 cm-1 for P and Q, respectively. The properties of the new complex are compared to those reported for the hexafluorophosphate complex with the same ligand, in terms of the effect of the distortion caused by the use of a different anion.

AB - A new 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methyl-6-(methylthio)phenol copperII perchlorate, complex, [Cu2(μ-SL) 2](ClO4)2 (1), was synthesized and magnetically and structurally characterized. The complex consists of two similar but not equivalent [Cu2(μ-SL)2]2+ bimetallic cations designed as P and Q. Cation P has a square-base pyramidal cupric centre bonded to an approximately trigonal bipyramidal one, while cation Q has two equivalent square-base pyramidal copper centres, related by an inversion center. The cupric centres in both units are bridged by two phenolate oxygen atoms from two deprotonated HSL molecules, defining a central Cu2O2 core. Each CuII centre has a N3O2 coordination sphere. Magnetic studies done for (1) show an overall weak antiferromagnetic behavior. The best fit of the experimental data was obtained using a modified Bleaney-Bowers equation with g1 = g2 = 2.05, JP = -13.4 cm-1 and JQ = +5.22 cm-1 for P and Q, respectively. The properties of the new complex are compared to those reported for the hexafluorophosphate complex with the same ligand, in terms of the effect of the distortion caused by the use of a different anion.

KW - Counteranion effect

KW - Dicopper(II) complex

KW - Magnetism

KW - Structure

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JO - Polyhedron

JF - Polyhedron

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