Dinuclear μ-pyrazole nickel(II), cobalt(II), cadmium(II) and zinc(II) complexes with dinucleating pyrazole-derived ligands

J. Pons; X. López; E. Benet; J. Casabó; F. Teixidor; F. J. Sánchez

doi:10.1016/S0277-5387(00)84188-1

Dinuclear μ-pyrazole nickel(II), cobalt(II), cadmium(II) and zinc(II) complexes with dinucleating pyrazole-derived ligands

J. Pons, X. López, E. Benet, J. Casabó, F. Teixidor, F. J. Sánchez

Department of Chemistry

Research output: Contribution to journal › Article › Research › peer-review

52 Citations (Scopus)

Abstract

New pyrazole-derived ligands, 3,5-bis(2-pyridyl)pyrazole (HL), 2-(6-methyl) pyridyl-2-pyridyl-3,5-pyrazole (HL1) and 3,5-bis-2-(6-methyl)pyridyl-3,5-pyrazole (HL2), are reported. Complexes of formulae [ML(NO3)]·xH2O (M = CoII, NiII, ZnII and CdII), [ML(NCS)]·H2O (M = CoII, NiII, ZnII and CdII), [ML1(NO3)]·H2O (M = NiII and CoII), [M2L2(NO3)2(OH)]·H2O (M = NiII and CoII), [M2L1Cl2(OH)] (M = CoII and NiII) were synthesized and characterized by IR and UV-vis spectroscopies and magnetic susceptibility measurements. Dinuclear compounds containing a di-μ-pyrazole bridge are found in nitrate and thiocyanate complexes with the first two ligands, while mixed μ-hydroxo, μ-pyrazole-bridged structures are found in chloride complexes with the second ligand and nitrate complexes with the last ligand. © 1990.

Original language	English
Pages (from-to)	2839-2845
Journal	Polyhedron
Volume	9
Issue number	23
DOIs	https://doi.org/10.1016/S0277-5387(00)84188-1
Publication status	Published - 1 Jan 1990

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@article{369efbb2583549d2a4d9426c0331734f,

title = "Dinuclear μ-pyrazole nickel(II), cobalt(II), cadmium(II) and zinc(II) complexes with dinucleating pyrazole-derived ligands",

abstract = "New pyrazole-derived ligands, 3,5-bis(2-pyridyl)pyrazole (HL), 2-(6-methyl) pyridyl-2-pyridyl-3,5-pyrazole (HL1) and 3,5-bis-2-(6-methyl)pyridyl-3,5-pyrazole (HL2), are reported. Complexes of formulae [ML(NO3)]·xH2O (M = CoII, NiII, ZnII and CdII), [ML(NCS)]·H2O (M = CoII, NiII, ZnII and CdII), [ML1(NO3)]·H2O (M = NiII and CoII), [M2L2(NO3)2(OH)]·H2O (M = NiII and CoII), [M2L1Cl2(OH)] (M = CoII and NiII) were synthesized and characterized by IR and UV-vis spectroscopies and magnetic susceptibility measurements. Dinuclear compounds containing a di-μ-pyrazole bridge are found in nitrate and thiocyanate complexes with the first two ligands, while mixed μ-hydroxo, μ-pyrazole-bridged structures are found in chloride complexes with the second ligand and nitrate complexes with the last ligand. {\textcopyright} 1990.",

author = "J. Pons and X. L{\'o}pez and E. Benet and J. Casab{\'o} and F. Teixidor and S{\'a}nchez, {F. J.}",

year = "1990",

month = jan,

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doi = "10.1016/S0277-5387(00)84188-1",

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T1 - Dinuclear μ-pyrazole nickel(II), cobalt(II), cadmium(II) and zinc(II) complexes with dinucleating pyrazole-derived ligands

AU - Pons, J.

AU - López, X.

AU - Benet, E.

AU - Casabó, J.

AU - Teixidor, F.

AU - Sánchez, F. J.

PY - 1990/1/1

Y1 - 1990/1/1

N2 - New pyrazole-derived ligands, 3,5-bis(2-pyridyl)pyrazole (HL), 2-(6-methyl) pyridyl-2-pyridyl-3,5-pyrazole (HL1) and 3,5-bis-2-(6-methyl)pyridyl-3,5-pyrazole (HL2), are reported. Complexes of formulae [ML(NO3)]·xH2O (M = CoII, NiII, ZnII and CdII), [ML(NCS)]·H2O (M = CoII, NiII, ZnII and CdII), [ML1(NO3)]·H2O (M = NiII and CoII), [M2L2(NO3)2(OH)]·H2O (M = NiII and CoII), [M2L1Cl2(OH)] (M = CoII and NiII) were synthesized and characterized by IR and UV-vis spectroscopies and magnetic susceptibility measurements. Dinuclear compounds containing a di-μ-pyrazole bridge are found in nitrate and thiocyanate complexes with the first two ligands, while mixed μ-hydroxo, μ-pyrazole-bridged structures are found in chloride complexes with the second ligand and nitrate complexes with the last ligand. © 1990.

AB - New pyrazole-derived ligands, 3,5-bis(2-pyridyl)pyrazole (HL), 2-(6-methyl) pyridyl-2-pyridyl-3,5-pyrazole (HL1) and 3,5-bis-2-(6-methyl)pyridyl-3,5-pyrazole (HL2), are reported. Complexes of formulae [ML(NO3)]·xH2O (M = CoII, NiII, ZnII and CdII), [ML(NCS)]·H2O (M = CoII, NiII, ZnII and CdII), [ML1(NO3)]·H2O (M = NiII and CoII), [M2L2(NO3)2(OH)]·H2O (M = NiII and CoII), [M2L1Cl2(OH)] (M = CoII and NiII) were synthesized and characterized by IR and UV-vis spectroscopies and magnetic susceptibility measurements. Dinuclear compounds containing a di-μ-pyrazole bridge are found in nitrate and thiocyanate complexes with the first two ligands, while mixed μ-hydroxo, μ-pyrazole-bridged structures are found in chloride complexes with the second ligand and nitrate complexes with the last ligand. © 1990.

U2 - 10.1016/S0277-5387(00)84188-1

DO - 10.1016/S0277-5387(00)84188-1

M3 - Article

VL - 9

SP - 2839

EP - 2845

JO - Polyhedron

JF - Polyhedron

SN - 0277-5387

IS - 23

ER -