Ferromagnetic coupling in a novel dicyanamide-bridged dinuclear gadolinium(III) complex [Gd2(dca)4(OH)2 (NITpPy)4] (NITpPy = 4-pyridyl-nitronyl nitroxide radical)

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Title:	Ferromagnetic coupling in a novel dicyanamide-bridged dinuclear gadolinium(III) complex [Gd2(dca)4(OH)2 (NITpPy)4] (NITpPy = 4-pyridyl-nitronyl nitroxide radical)
Authors:	魏和祥;Wei, Ho-hsiang;Hsu, Chin-feng;Lin, Shin-huang
Contributors:	淡江大學化學學系
Keywords:	Gadolinium(III) complex;Dicyanamide;Nitronyl nitroxide;Crystal structure;Magnetic properties
Date:	2005-12-01
Issue Date:	2009-12-01
Publisher:	Elsevier
Abstract:	The novel six-coordinated gadolinium(III) complex of formula [Gd2(dca)4(OH)2(NITpPy)4] (1) (dca = dicyanamide, NITpPy = 4-pyridyl-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazolyl-oxy-3-oxide) has been prepared and characterized by X-ray crystallography. Compound 1 is a dimer structure made up of double μ1,5-dca-bridged gadolinium(III) ions and one terminal dca ligand; variable-temperature magnetic susceptibility measurements reveal the occurrence of a significant ferromagnetic interaction directly spin polarization through the NITpPy–Gd(III)–NITpPy pathway with J = 11.56 cm−1.
Relation:	Inorganic Chemistry Communications 8(12), pp. 1128-1132
DOI:	10.1016/j.inoche.2005.09.018
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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