Structure and a 1/2-Like Magnetization Plateau in a S eff = 1/2 Skew Chain Compound [Co2(CH3O‑ip)(COOH)2(H2O)] n

A new S eff = 1/2 skew chain compound [Co2(CH3O-ip)­(COOH)2(H2O)] n is successfully synthesized by the hydrothermal reaction method. The compound crystallizes in the monoclinic structure with space group P21/c, in which two inequivalent Co ions, bridged by a μ2-O monodentate formic acid ligand group...

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Bibliographic Details
Published in:Crystal growth & design 2022-05, Vol.22 (5), p.3148-3153
Main Authors: Jia, Wanwan, Hu, Jie, Ouyang, Zhongwen, Zhou, Yadong, Lu, Hongcheng, Wang, Zhenxing
Format: Article
Language:English
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Summary:A new S eff = 1/2 skew chain compound [Co2(CH3O-ip)­(COOH)2(H2O)] n is successfully synthesized by the hydrothermal reaction method. The compound crystallizes in the monoclinic structure with space group P21/c, in which two inequivalent Co ions, bridged by a μ2-O monodentate formic acid ligand group, form one-dimensional skew chains along the b axis. The magnetic susceptibility and specific heat data indicate that the compound undergoes two magnetic phase transitions at T N1 = 5.8 K and T N2 = 6.6 K, respectively. Interestingly, the magnetization curve at 2 K presents a 1/2-like magnetization plateau based on the analysis of Hamiltonian diagonalization.
ISSN:1528-7483
1528-7505
DOI:10.1021/acs.cgd.2c00026