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Article Abstract
The anionic template method is an effective strategy for synthesizing high-nuclearity transition-lanthanide (3d-4f) heterometallic clusters. Herein, two lanthanide clusters with formulas [GdNi(μ-OH)(CO)(IDA)(CHNO)(CO)(MoO)(μ-OH)(HO)]Cl·79HO (1) and [TbNi(μ-OH)(CO)(IDA)(CHNO)(CO)(MoO)(μ-OH)(HO)]Cl·32HO (2) were synthesized by introducing MoO anions as templates. Structural analysis indicates that compounds 1 and 2 are isomorphic, featuring a fascinating triangular-shaped metal framework. Magnetic property investigations illuminate the fact that compound 1 exhibits a large -Δ of 37.83 J kg K at 3 K for Δ = 7 T. In particular, it is worth mentioning that compound 1 has an excellent low-field magnetic entropy (-Δ = 23.85 J kg K at 2 K, 2 T).
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