Citation: Yin-Ling HOU, Jia JI, Yao ZUO, Sheng-Tao LU, Xin-Chao WANG, Xiao-Meng HU, Xiao-Qiang HUANG. Structure, Magnetic Property, Bacteriostatic Activity, and Large Magnetocaloric Effect of a Tetranuclear Gd(Ⅲ)-Based Cluster[J]. Chinese Journal of Inorganic Chemistry, ;2022, 38(11): 2267-2274. doi: 10.11862/CJIC.2022.216 shu

Structure, Magnetic Property, Bacteriostatic Activity, and Large Magnetocaloric Effect of a Tetranuclear Gd(Ⅲ)-Based Cluster

1.
School of Science, Kaili University, Kaili, Guizhou 556011, China
2.
Department of Chemistry, Taiyuan Normal University, Jinzhong, Shanxi 030619, China

Corresponding author: Yin-Ling HOU, hyl0506@126.com
Received Date: 23 March 2022
Revised Date: 13 July 2022

Figures(9)

An interesting polynuclear Gd(Ⅲ)-based cluster with the molecular formula [Gd₄(CH₃COO)₆(H₃L)₂]· 2CH₃OH (1) based on a polydentate ligand (H₆L=1, 3-bis(tris(hydroxymethyl)methylamino)propane) has been successfully synthesized via the solvothermal method. The structure, magnetic property, and bacteriostatic activity of cluster 1 have been systematically studied. Structural analysis shows that there are two distinct coordination environments of central Gd(Ⅲ) ions and cluster 1 mainly contains a butterfly Gd₄ core. The magnetic study reveals that antiferromagnetic interaction exists in cluster 1. More importantly, cluster 1 displayed significant cryogenic magnetic refrigeration property with-ΔS_m=40.6 J·kg^-1·K^-1 at T=2.0 K and ΔH=7.0 T. Moreover, cluster 1 possessed antibacterial activity on five common bacteria, among which the antibacterial effect on Micrococcus luteus was the best.
- tetranuclear Gd(Ⅲ)-based cluster,
- structure,
- magnetic property,
- magnetocaloric effect,
- antibacterial activity
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