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基于七氰合钼酸盐的单分子磁体，其氰化物化合物具有最高的能垒。

A single-molecule magnet based on heptacyanomolybdate with the highest energy barrier for a cyanide compound.

机构信息

State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210093, China.

出版信息

J Am Chem Soc. 2013 Sep 11;135(36):13302-5. doi: 10.1021/ja4067833. Epub 2013 Aug 22.

DOI:10.1021/ja4067833
PMID:23967875
Abstract

Three trinuclear Mn2Mo molecules based on the orbitally degenerate Mo(CN)7 anion were prepared, one of which is the first single-molecule magnet (SMM) based on heptacyanomolybdate. The blocking temperature and the energy barrier (U = 40.5 cm(-1)) are records for a cyanide-based SMM. Wide hysteresis loops and sharp quantum tunneling steps were observed from single-crystal measurements.

摘要

制备了三个基于轨道简并的Mo(CN)7阴离子的三核 Mn2Mo 分子，其中一个是基于七氰合钼酸盐的首个单分子磁体（SMM）。其阻塞温度和能垒（U = 40.5 cm(-1)）创下了基于氰化物的 SMM 的纪录。从单晶测量中观察到了宽的滞后回线和尖锐的量子隧穿阶。

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