Volume 41, Issue 24 pp. 3662-3668
Comprehensive Report

Synthesis, Structure and Magnetic Behavior of a Novel Series of Trinuclear Windwheel Complexes

Rong Luo

Rong Luo

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100 China

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Chen-Ze Xie

Chen-Ze Xie

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100 China

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Ming-Guang Chen

Ming-Guang Chen

Baotou Research Institute of Rare Earths, Baotou, Inner Mongolia, 014040 China

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Hai-Yan Shi

Hai-Yan Shi

State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005 China

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Xiang-Jian Kong

Xiang-Jian Kong

State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, 361005 China

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Yu-Hua Fan

Yu-Hua Fan

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100 China

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Feng Shao

Corresponding Author

Feng Shao

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100 China

E-mail: [email protected]Search for more papers by this author
First published: 21 August 2023

Comprehensive Summary

A new family of trinuclear windwheel complexes with molecular formula [MII3(tpa)3(μ-ttc)](ClO4)3·n(sol) (ttc = 1,3,5-triazine-2,4,6-trithiol; tpa = tris(2-pyridylmethyl)amine; M = Mn, n = 2, sol = CH3CN, 1; M = Co, n = 1, sol = CH3CN, 2; M = Ni, n = 0, 3) were synthesized and characterized. Single-crystal X-ray diffraction revealed that three metal centers in 13 are connected by ttc bridge, forming a regular triangular MII3 core. Each metal center is bonded by chelating S, N atoms from ttc and by N atoms from tpa. Magnetic studies showed that 13 displayed antiferromagnetic behavior and further gave the easy-axis anisotropy (D = −0.77 cm−1 for 1 and −8.13 cm−1 for 2) and easy-plane anisotropy (D = 5.08 cm−1 for 3). Moreover, 2 exhibited field-induced slow magnetic relaxation behavior and their effective energy barriers were roughly evaluated Ueff = 6.9 K.image

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