Air-Stable Dy(III)-Macrocycle Enantiomers: From Chiral to Polar Space Group

被引:33
|
作者
Zhu, Zhenhua [1 ,2 ]
Zhao, Chen [1 ,3 ]
Zhou, Quan [1 ,3 ]
Liu, Shuting [1 ,3 ]
Li, Xiao-Lei [1 ]
Mansikkamaki, Akseli [4 ]
Tang, Jinkui [1 ,3 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Univ Sci & Technol China, Hefei 230026, Peoples R China
[4] Univ Oulu, NMR Res Unit, FI-90014 Oulu, Finland
来源
CCS CHEMISTRY | 2022年 / 4卷 / 12期
基金
芬兰科学院; 中国国家自然科学基金;
关键词
Dy(III)-macrocycle enantiomers; chiral polar space group; single-molecule magnets; MOLECULE MAGNET BEHAVIOR; ANO BASIS-SETS; ROOM-TEMPERATURE; MAGNETIZATION; COMPLEXES; ORIGIN; ATOMS; STATE;
D O I
10.31635/ccschem.022.202101604
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Magnetoelectric (ME) multiferroic materials have unique advantages in low-power and high-density information storage, because they can simultaneously display ferroelectricity and ferromagnetism. However, research on how to construct air-stable high-performance ME single-molecule magnets (SMMs) is nonexistent. Herein, by introducing homochirality while reducing molecular symmetry, two double-decker Dy(III) enantiomers adopting the polar space group P2(1) and exhibiting excellent thermal stability were obtained. They displayed zero field SMM behavior with an anisotropy barrier (U-eff) of ca. 100 cm(-1). This work establishes a rational chemical design strategy for crystallizing SMMs in polar space groups and elucidates the direction for future research, that is, engineering small-size high-performance SMMs. [GRAPHICS] .
引用
收藏
页码:3762 / 3771
页数:10
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