Synthesis, structure and magnetic properties of mono-, dinuclear and polymeric compounds of transition metals with 4-AMINO-3,5-DI-2-PYRIDYL-4H-1,2,4-TRIAZOLE (cas 1671-88-1)

Add time:09/10/2019    Source:sciencedirect.com

Five new complexes were obtained from solution of transition metal salts (M=Co(II), Cu(II)) with 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole (abpt) in different molar ratios. X-ray structural elucidation revealed low-dimensional compounds with the metal ions assembled in monomers, dimers or chains. Two similar polymorphs were obtained for the monomer synthesized from Cu(II) chloride. Temperature-dependent magnetic susceptibility measurements were conducted for the non-monomeric compounds, and efficient super-exchange interaction was found for the mostly planar dinuclear Co(II) complex.

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