Strong ferromagnetic exchange couplings in copper(II) and nickel(II) complexes with a paramagnetic tridentate chelate ligand, 2,2′-bipyridin-6- yl tert-butyl nitroxide

Keita Osanai; Atsushi Okazawa; Takashi Nogami; Takayuki Ishida

doi:10.1021/ja065623c

Strong ferromagnetic exchange couplings in copper(II) and nickel(II) complexes with a paramagnetic tridentate chelate ligand, 2,2′-bipyridin-6- yl tert-butyl nitroxide

Keita Osanai, Atsushi Okazawa, Takashi Nogami, Takayuki Ishida^*

^*この研究の対応する著者

研究成果: Article › 査読

71 被引用数 (Scopus)

抄録

A paramagnetic ligand 6bpyNO (2,2′-bipyridin-6-yl tert-butyl nitroxide) is a newcomer in the field of metal-radical hybrid magnetic materials. Complexes [Cu^II(6bpyNO)Cl₂] and [Ni^II(6bpyNO)₂](PF₆)₂ having highly planar chelate rings showed considerably strong ferromagnetic exchange couplings J/k_B = 202 and 192 K, respectively, across the direct radical oxygen coordination bonds (the spin Hamiltonian is defined as -2JS_i·S_j).

本文言語	English
ページ（範囲）	14008-14009
ページ数	2
ジャーナル	Journal of the American Chemical Society
巻	128
号	43
DOI	https://doi.org/10.1021/ja065623c
出版ステータス	Published - 2006 11月 1
外部発表	はい

ASJC Scopus subject areas

触媒
化学 (全般)
生化学
コロイド化学および表面化学

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10.1021/ja065623c

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引用スタイル

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abstract = "A paramagnetic ligand 6bpyNO (2,2′-bipyridin-6-yl tert-butyl nitroxide) is a newcomer in the field of metal-radical hybrid magnetic materials. Complexes [CuII(6bpyNO)Cl2] and [NiII(6bpyNO)2](PF6)2 having highly planar chelate rings showed considerably strong ferromagnetic exchange couplings J/kB = 202 and 192 K, respectively, across the direct radical oxygen coordination bonds (the spin Hamiltonian is defined as -2JSi·Sj).",

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AU - Nogami, Takashi

AU - Ishida, Takayuki

PY - 2006/11/1

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AB - A paramagnetic ligand 6bpyNO (2,2′-bipyridin-6-yl tert-butyl nitroxide) is a newcomer in the field of metal-radical hybrid magnetic materials. Complexes [CuII(6bpyNO)Cl2] and [NiII(6bpyNO)2](PF6)2 having highly planar chelate rings showed considerably strong ferromagnetic exchange couplings J/kB = 202 and 192 K, respectively, across the direct radical oxygen coordination bonds (the spin Hamiltonian is defined as -2JSi·Sj).

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