Two new lanthanide-nitronyl nitroxide complexes: Magnetic and fluorescence properties

An 1D Cu(II) complex, which formula is [Cu(hfac)2NITpPy]n (1) (NITpPy = 2-(4-pyridyl)-4,4,5,5-tetra-methylimidazoline-1-oxyl-3-oxide, hfac = hexafluoroacetylacetonate) has been synthesized and characterized by single crystal X-ray diffraction. The complex 1 crystallizes in the triclinic pī space group. Two adjacent Cu(II) ions with different coordination modes are bridged by NITpPy to form a magnetic zig-zag chain. In the built chains, the Cu(II) ions located in the CuO4N2 coordination environment and the >N–O–Cu(II)- O–N< hetero-spin clusters of the CuO6 units are alternately arranged, which lead to two different Cu-NITpPy magnetic interactions. The fit parameters (J1 = −3.56 cm−1 and J2 = 0.46 cm−1) indicate an antiferromagnetic and ferromagnetic interactions in the complex 1.

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Two new lanthanide-nitronyl nitroxide complexes: Magnetic and fluorescence properties

Cited by 3 publications

References 41 publications

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