Syntheses, crystal structures and magnetic properties of three lanthanide-nitronyl nitroxide complexes

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• 作者：Fen SONG (宋 芬)^a ; Yuan ZHANG (张 媛)^a ; Jinghuo CHEN (陈景获)^a ; Tian HAN (韩 甜)^a ; Peng CHENG (程 鹏)^a ; ^b ; ^c ; ^{pcheng@nankai.edu.cn}
• 关键词：lanthanide complex ; nitronyl nitroxide radical ; magnetic properties ; crystal structure ; rare earths
• 刊名：Journal of Rare Earths
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：35
• 期：1
• 页码：24-27
• 全文大小：2169 K
• 卷排序：35

文摘

Three new lanthanide-nitronyl nitroxide radical complexes were successfully synthesized with the formula of [Ln(hfac)3 (PyNONIT)2] (Ln=Dy (1), Tm (2), Ho (3)). All the complexes were isostructural and crystallized in C2/c space group, in which the central metal ions were eight-coordinated in slightly distorted square antiprism coordination geometries (D4d symmetry). Magnetic studies indicated the existence of antiferromagnetic interaction in complexes 1–3.