Department of Chemistry, Brock University , 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S3A1, Canada.
Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany.
J Am Chem Soc. 2017 Nov 8;139(44):15644-15647. doi: 10.1021/jacs.7b10130. Epub 2017 Oct 31.
The first {Mn} cluster (1) has been prepared from carboxylate ions and the chelating/bridging ligand α-methyl-2-pyridine-methanol. Compound 1 possesses a unique nanosized structural topology with one of the largest energy barriers reported to-date for high-nuclearity 3d-metal clusters. Single-crystal magnetic hysteresis studies reveal the presence of hysteresis loops below 5 K, one of the highest temperatures below which molecular hysteresis has been observed for 3d-based SMMs.
第一个{Mn}簇(1)由羧酸盐离子和螯合/桥联配体α-甲基-2-吡啶甲醇制备而成。化合物 1 具有独特的纳米结构拓扑,其具有迄今为止报道的多核 3d 金属簇中最大的能垒之一。单晶磁滞回线研究表明,在 5 K 以下存在磁滞回线,这是观察到基于 3d 的 SMM 分子磁滞的最高温度之一。