[Gd(hfac)3(DTBN)(H2O)]（DTBN = 二 - 叔丁基氮氧自由基）的制备与表征。顺磁 Gd(3+)-Gd3+超交换作用。
Preparation and characterization of [Gd(hfac)3(DTBN)(H2O)] (DTBN = di-t-butyl nitroxide). Ferromagnetic Gd(3+)-Gd3+ super-superexchange.
机构信息
Department of Engineering Science, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan.
出版信息
Chem Commun (Camb). 2014 Mar 7;50(19):2529-31. doi: 10.1039/c3cc48326f. Epub 2014 Jan 27.
PMID:24463397
Abstract
The intramolecular radical-Gd antiferromagnetic coupling (2J1/k(B) = -11.6 K) is notably strong, as expected from our molecular design, and the intermolecular exchange coupling along the Gd-O-H···O-Gd bridges is unexpectedly ferromagnetic with the largest Gd···Gd coupling ever known (2J2/k(B) = +0.12 K).
摘要
分子内自由基-Gd 反铁磁耦合（2J1/k(B) = -11.6 K）非常强，这与我们的分子设计预期相符，而沿 Gd-O-H···O-Gd 桥的分子间交换耦合出人意料地呈铁磁性，具有已知的最大 Gd···Gd 耦合（2J2/k(B) = +0.12 K）。
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