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一类使用2-(吡啶-2-基)丙-2-醇的棒状锰单分子磁体中的一个新成员。

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

作者信息

Yang En-Che, Huang Shi-Yi, Wernsdorfer Wolfgang, Hong Ling-Xuan, Damjanovic Marko, Niekamp Lukas, Lee Gene-Hsiang

机构信息

Department of Chemistry, Fu Jen Catholic University Hsinchuang, New Taipei City 24205 Taiwan Republic of China

Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT) Hermann-von- Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen Germany.

出版信息

RSC Adv. 2019 Nov 20;9(65):37740-37746. doi: 10.1039/c9ra06280g. eCollection 2019 Nov 19.

DOI:10.1039/c9ra06280g
PMID:35541795
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9075757/
Abstract

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

摘要

本文报道了一种新型棒状锰金属簇合物[MnO(OH)(OMe)(dmhmp)(OCPh)(HO)] (6)的合成、结构和磁性，其中配体(dmhmpH)为2-(吡啶-2-基)丙-2-醇。化合物(6)是通过在苯甲酸盐和EtN存在下，使MnCl·4HO与dmhmpH反应得到的。所得晶体材料属于三斜晶系空间群1̄。尽管化合物(6)表现出铁磁和反铁磁竞争行为，但这并不妨碍该分子作为单分子磁体(SMM)发挥作用。在微观超导量子干涉装置研究中，通过观察低温下频率依赖的异相交流信号以及磁化滞后回线，证明了SMM行为。手稿中还对所有棒状锰材料进行了简要比较。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/a76f3ba5d80c/c9ra06280g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/97630c66ed07/c9ra06280g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/6ab3be30ef6a/c9ra06280g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/6da0dcdea62c/c9ra06280g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/4ddba1138e0a/c9ra06280g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/8203e1848d34/c9ra06280g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/a76f3ba5d80c/c9ra06280g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/97630c66ed07/c9ra06280g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/6ab3be30ef6a/c9ra06280g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/6da0dcdea62c/c9ra06280g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/4ddba1138e0a/c9ra06280g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/8203e1848d34/c9ra06280g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca85/9075757/a76f3ba5d80c/c9ra06280g-f6.jpg

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本文引用的文献

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