Syntheses and magnetic properties of three modifications of dichloro[2-(hydroxymethyl)pyridine N-oxide]copper II.
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概要
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Three modifications of dichloro[2-(hydroxymethyl)pyridine <I>N</I>-oxide]copper(II), CuCl<SUB>2</SUB>(2-CH<SUB>2</SUB>OH·pyo), were prepared and characterized by the temperature dependences of their magnetic susceptibilities and their IR spectra. The greenish-yellow modification shows ferromagnetic behavior (θ⁄<I>K</I>=+20), whereas both the yellow and deepgreen modifications exhibit a dimer type of antiferromagnetism (<I>J</I>/cm<SUP>1</SUP>=−585 and −565). The hemi adducts with the empirical formula of CuCl<SUB>2</SUB>(2-CH<SUB>2</SUB>OH·pyo)·1/2L, where L=C<SUB>2</SUB>H<SUB>5</SUB>OH and H<SUB>2</SUB>O, were also isolated. The structural assignments for the three modifications and the two adducts were made on the basis of the similarity of their magnetic and spectral properties to those of dimeric copper(II) pyridine <I>N</I>-oxide complexes, and the whole preparative scheme of these complexes was interpreted in terms of their structural features.
- 公益社団法人 日本化学会の論文
著者
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Tokii Tadashi
Department Of Chemistry And Applied Chemistry Facukty Of Science And Engineering Saga University
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KATO Michinobu
Aichi Prefectual University
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Nakashima Michio
Department Of Chemistry Faculty Of Science And Engineering Saga University
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Muto Yoneichiro
Department Of Chemistry Faculty Of Science And Engineering Saga University
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Jonassen Hans
Department of Chemistry, Tulane University
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