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Two new three-dimensional lanthanide frameworks [Ln(BTB)(H2O)]n (Ln = Eu (1) and Dy (2)) based on 1,3,5-benzenetribenzoic acid (H3BTB) were synthesized and characterized. Structural analysis reveals that they were isostructural, in which two lanthanide ions are bridged by four carboxylic groups from different BTB3− in the modes of μ2-η1η1 and μ2-η1η2 to form a binuclear unit. The binuclear units are...
The self-assembly of tetranuclear dysprosium based on triangular Dy3 system by using 5-(4-methoxybenzylidene)-8-hydroxylquinoline (HL) and 1,3-diphenyl-1,3-propanedione (dppd) afford a new compound [Dy4(μ3-OH)2L6(dppd)4]·2CH3CN (1). It was structurally and magnetically characterized. The results indicate that the four Dy ions is of typical rhombus topology and weak ferromagnetic interactions exists...
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