Abstract

Abstract A new chiral organic radical, 4,4,5,5-tetramethyl-2-{4-[(S)-2-methylbutoxy]phenyl}-3-oxido-4,5-dihydroimidazol-1-oxyl (1) and its MnII complex ([1·MnII(hfac)2]n (hfac = hexafluoroacetylacetonato)) were synthesized and characterized. From single crystal X-ray structure analysis, 1 and [1·MnII(hfac)2]n have a chiral space group (P212121), and [1·MnII(hfac)2]n has a one-dimensional helical structure. Magnetic susceptibility measurements of [1·MnII(hfac)2]n indicate that this heterospin system behaves as a ferrimagnet with very weak interchain ferromagnetic exchange interaction.

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