Effects of the Encapsulation of Alkali Ions into Iron(III) Complexes with a Macrocyclic Ring on Magnetic Properties
作者： Yonezo Maeda , Masaki Suzuki , Shigeyuki Hirose , Shinya Hayami , Takayuki Oniki
DOI: 10.1246/BCSJ.71.2837
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摘要: New spin-crossover iron(III) complexes [FeM(salten)L]X with an alkali ion in a macrocycle have been prepared, and the magnetic properties of solid acetonitrile solution examined, where M is Li+, Na+, K+, or Rb+, H2salten 4-aza-heptamethylene-1,7-bis(salicylideneiminate) L N-(4-picolyl)-aza-15-crown-5-ether. The behaviors dependent on temperature are observed Mossbauer spectra susceptibilities, those electronic spectra. changed species metal ions included macrocycle. Li-complexes show moment 4.00 B.M. at 300 K 2.19 80 K, Na-complexes 5.03 4.21 K. that interexchange rates spin-state transition between high-spin low-spin states as fast reciprocal the...
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