共 37 条
Chiral mononuclear Dy(III) complex based on pyrrolidine-dithiocarboxylate S-donors with field-induced single-ion magnet behavior
被引:8
|作者:
Wen, He-Rui
[1
]
Yang, Kai
[1
]
Liu, Sui-Jun
[1
]
Liang, Fu-Yong
[1
]
Xie, Xin-Rong
[1
]
Liu, Cai-Ming
[2
]
Li, Yun-Wu
[3
]
机构:
[1] Jiangxi Univ Sci & Technol, Sch Met & Chem Engn, Ganzhou 341000, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[3] Liaocheng Univ, Shandong Prov Key Lab Chem Energy Storage & Novel, Sch Chem & Chem Engn, Liaocheng 252000, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Dy(III) complex;
Chirality;
Dithiocarboxylate;
Single-ion magnets;
Slow magnetic relaxation;
MOLECULE MAGNETS;
ANISOTROPY BARRIER;
LANTHANIDE COMPLEXES;
EASY-AXIS;
CO-II;
MN-II;
RELAXATION;
MAGNETIZATION;
DICHROISM;
LIGANDS;
D O I:
10.1016/j.ica.2017.12.035
中图分类号:
O61 [无机化学];
学科分类号:
070301 ;
081704 ;
摘要:
A new chiral mononuclear Dy(III) complex, [Dy((-)-pbipy)(pdtc)(3)] (1) (pbipy = 4,5-pinene-2,2'-bipyridine, pdtc = pyrrolidine-dithiocarbamate) has been synthesized and structurally characterized. Magnetic studies show that complex 1 exhibits field-induced single-ion magnet behavior with tau(0) = 4.2 x 10 (7) s and U-eff/k = 56.7 K, which is the first example of homochiral complex derived from S-donor pyrrolidine-dithiocarboxylate with slow magnetic relaxation. (C) 2017 Elsevier B.V. All rights reserved.
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页码:145 / 151
页数:7
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