0000000000543055
AUTHOR
Jing Xi
Switching of easy-axis to easy-plane anisotropy in cobalt(ii) complexes
A tetranuclear cubane-type complex [Co4(ntfa)4(CH3O)4(CH3OH)4] (1) with a {Co4O4} core, and a mononuclear complex [Co(ntfa)2(CH3OH)2] (2) have been rationally obtained by adjusting the ratio of the β-diketonate and Co(II) ions, with the synthetic processes being monitored by in situ microcalorimetry. Then, following synthetic conditions to obtain 2, but using three distinct N-donor coligands - 2,2'-bipyridyl (bpy), 6,6'-dimethyl-2,2'-bipyridyl (6,6-(CH3)2-bpy) and 5,5'-dimethyl-2,2'-bipyridyl (5,5-(CH3)2-bpy) - three novel mononuclear complexes have been obtained, [Co(ntfa)2(bpy)2] (3), [Co(ntfa)2(6,6-(CH3)2- bpy)2] (4) and [Co(ntfa)2(5,5-(CH3)2-bpy)2] (5). The introduction of different cap…
Slow magnetic relaxation in a trigonal-planar mononuclear Fe(II) complex.
A trigonal planar Fe(ii) complex exhibits slow magnetic relaxation and a significant butterfly-like hysteresis loop.
CCDC 2120156: Experimental Crystal Structure Determination
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CCDC 2100779: Experimental Crystal Structure Determination
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CCDC 2100781: Experimental Crystal Structure Determination
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CCDC 2100780: Experimental Crystal Structure Determination
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