Crystal Structure and Magnetic Properties of Pyridyl-Substituted Nitronyl Nitroxides

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Title:	Crystal Structure and Magnetic Properties of Pyridyl-Substituted Nitronyl Nitroxides
Authors:	李綺縑;魏和祥;李錦祥;王瑜
Contributors:	淡江大學化學學系
Keywords:	Molecular magnetism;Crystal structure;Organic radicals;Nitronyl nitroxides
Date:	1998-06
Issue Date:	2013-07-29 13:42:47 (UTC+8)
Publisher:	臺北市：中國化學學會
Abstract:	X-ray crystal structure and cryomagnetic properties of three organic radicals, 2-(2-pyridyl)-4,4,5,5-tetramehyl-4,5-dihydro-1-H-imidazol-1-oxyl-3-N-oxide(NIT-oPy) 1,2-(3-pyridyl)4,4,5,5,-tetramethyl-4,5-dihydro-1-H-imidazol-1-oxyl-3-N-oxide(NIT-mPy) 2 and 2-(6-methyl-2-pyridyl)-4,4,5,5-tetramethyl-4,5-dihydro-1-H-imidazol-1-oxyl-3-N-oxide(NIT-6M-oPy) 3 were investigated. The crystal structures of compounds 1-3 show the same feature of a P2 1/c space group of a monoclinic system. Two crystal-lographically independent molecules were found in the crystals of compounds 1-3. The temperature dependence of magnetic susceptibility of compounds 1-3 revealed an intermolecular antiferromagnetic exchange interaction.
Relation:	Journal of the Chinese Chemical Society=中國化學會會誌 45(3), pp.349-353
DOI:	10.1002/jccs.199800055
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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