Structure and Magnetic Properties of a Chain Complex with Alternating Ru(II,III) Dimer and Nitroxide Radical Arrangement (Ru2(O2CCMe3)4(nitph))n(BF4)n, nitph = 2-Phenyl-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-oxyl 3-N-Oxide.
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A chain complex of diruthenium(II,III) cation dimer linked by a nitroxide radical, [Ru2(O2CCMe3)4(nitph)]n(BF4)n (nitph = 2-phenyl-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-oxyl 3-N-oxide), has been prepared and characterized. The structure with an alternating alignment of Ru(II,III) core and nitph has been confirmed by the X-ray crystal analysis. The magnetic moment decreased steadily with decrease of temperature, against the expectation of ferrimagnetic behavior based on the alternated alignment of S1 = 3/2 (for Ru(II,III) core) and S2 = 1/2 (for nitph). It has been found that the zero-field splitting plays an important role in the magnetic behavior in addition to the interaction between the Ru(II,III) core and nitph.
- 公益社団法人 日本化学会の論文
公益社団法人 日本化学会 | 論文
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