Citation: Xiao-Yan XIN, Xue-Jin ZHANG, Feng-Jiao CHEN, Yu WANG, Chen YANG, Na QIAO, Ying SHI, Wen-Min WANG. A Dy2 Complex Showing Outstanding Single⁃Molecule Magnet Behavior[J]. Chinese Journal of Inorganic Chemistry, ;2022, 38(6): 1103-1111. doi: 10.11862/CJIC.2022.125 shu

A Dy2 Complex Showing Outstanding Single⁃Molecule Magnet Behavior

Figures(11)

  • Two new binuclear Ln(Ⅲ)-based complexes with the formula [Ln2(dbm)2(L)2(C2H5OH)2] (Ln=Dy (1), Nd (2); dbm-=1, 3-dioxo-1, 3-diphenylpropan-2-ide) have been synthesized via the solvothermal method by using a polydentate Schiff base ligand (H2L=(E)-N′-(3-ethoxy-2-hydroxybenzylidene)-3-hydroxypicolinohydrazide) reacting with Ln(dbm)3·2H2O. Single-crystal X-ray structures reveal that complexes 1 and 2 are mainly composed of two Ln(Ⅲ) ions, two dbm-ions, two L2-ions, and two C2H5OH molecules, and the two central Ln(Ⅲ) ions are connected by two μ2-O atoms forming a "parallelogram-shaped" Ln2O2 core. Magnetic studies show that the ferromagnetic interaction exists between the adjacent two Dy(Ⅲ) ions and single-molecule magnet behavior occurs in 1. CCDC: 2100188, 1; 2133336, 2.
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