A new member of a class of rod-like Mn 12 single molecule magnets using 2-(pyridine-2-ly)propan-2-ol

This paper reports on the synthesis, structure and magnetic properties of a new type of rod like Mn metal cluster, [Mn O (OH) (OMe) (dmhmp) (O CPh) (H O)] (6) where the ligand (dmhmpH) is 2-(pyridine-2-yl)propan-2-ol. Compound (6) was obtained by reacting MnCl ·4H O with dmhmpH in the presence of be...

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Bibliographic Details
Published in:RSC advances 2019-11, Vol.9 (65), p.37740-37746
Main Authors: Yang, En-Che, Huang, Shi-Yi, Wernsdorfer, Wolfgang, Hong, Ling-Xuan, Damjanovic, Marko, Niekamp, Lukas, Lee, Gene-Hsiang
Format: Article
Language:English
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Summary:This paper reports on the synthesis, structure and magnetic properties of a new type of rod like Mn metal cluster, [Mn O (OH) (OMe) (dmhmp) (O CPh) (H O)] (6) where the ligand (dmhmpH) is 2-(pyridine-2-yl)propan-2-ol. Compound (6) was obtained by reacting MnCl ·4H O with dmhmpH in the presence of benzoic salt and Et N. The resulting crystalline material is assigned to the triclinic space group 1̄. Although compound (6) displays ferromagnetic and antiferromagnetic competition behavior, this does not prevent the molecule from functioning as a single-molecule magnet (SMM). The SMM behavior is evidenced by observing frequency dependent out-of-phase ac signals as well as magnetization hysteresis loops at low temperatures in a micro-SQUID study. A brief comparison between all rod-like Mn materials is also given in the manuscript.
ISSN:2046-2069
2046-2069
DOI:10.1039/c9ra06280g