Slow magnetic relaxation influenced by change of symmetry from ideal Ci to D3d in cobalt(ii)-based single-ion magnets

The coordination geometries of the Co(ii) site in the two complexes [Co(imidazole)6][BPh4]2·0.3CH3CN (1) and [Co(imidazole)6][NO3]2 (2) were observed to display the ideal symmetries Ci and D3d, respectively. Both complexes were shown to be field-induced single-ion magnets. The effective energy barri...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 47; no. 8; pp. 2506 - 2510
Main Authors Chen, Lei, Zhou, Jianjun, Hui-Hui, Cui, Ai-Hua, Yuan, Wang, Zhenxing, Yi-Quan, Zhang, Zhong-Wen Ouyang, Song, You
Format Journal Article
LanguageEnglish
Japanese
Published Cambridge Royal Society of Chemistry 01.01.2018
Subjects
Imidazole
Magnetic induction
Magnetic relaxation
Magnets
Symmetry
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Summary:The coordination geometries of the Co(ii) site in the two complexes [Co(imidazole)6][BPh4]2·0.3CH3CN (1) and [Co(imidazole)6][NO3]2 (2) were observed to display the ideal symmetries Ci and D3d, respectively. Both complexes were shown to be field-induced single-ion magnets. The effective energy barrier was found to decrease as the local symmetry changed from low-symmetry Ci to high-symmetry D3d.
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ISSN:1477-9226
1477-9234
DOI:10.1039/c7dt04651k