A lanthanide azametallacrown with aza10-MC − 4 motif: Structure and single molecule magnetism behavior |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China;2. School of Pharmaceutical, Liaocheng University, Liaocheng 252059, China;1. School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China;2. Shandong Collaborative Innovation Center for Antibody Drugs, Liaocheng University, Liaocheng 252059, China;1. School of Physics Science and Information Engineering, Liaocheng University, Liaocheng 252059, PR China;2. Shandong Provincial Key Laboratory of Optical Communication Science and Technology, Liaocheng 252059, PR China |
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| Abstract: | A rare lanthanide-containing azametallacrown with structural formula Er4(μ3-OH)2(ppt)4(H2ppt)2(OAc)2]·2DMF (1) (H2ppt = 3-(2-hydroxyphenyl)-5-(pyrazin-2-yl)-1,2,4-triazole) has been reported. X-ray crystallographic analysis exhibits a remarkable aza10-MC-4 structural motif with the ring having Er–N–N–Er–O] connectivity. Measurements of dc magnetic susceptibility and isothermal magnetization reveal the strong magnetic anisotropy, and ac susceptibility shows slow magnetization relaxation at a dc field of 2000 Oe. |
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