A mercury(II)-radical complex with a 1D ladder structure
作者： Jian-Ying Zhang , Cai-Ming Liu , De-Qing Zhang , Dao-Ben Zhu
DOI: 10.1080/00958970701598951
关键词: Single crystal 、 Stereochemistry 、 Antiferromagnetism 、 Crystallography 、 Dimer 、 Chemistry 、 Magnetic susceptibility 、 Chain model 、 Nitroxide radical 、 Structure analysis
摘要: Interaction of HgI2 with a new long rigid nitronyl nitroxide radical ligand, 2-[4-(2-pyridin-4-yl-vinyl)phenyl]-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (L), leads to the formation mercury-radical complex [Hg2I4L2] n (1). The single crystal structure analysis reveals that 1 exhibits one-dimensional (1D) ladder structure. Magnetic susceptibility data were simulated by uniform chain model composed NIT–NIT dimers, indicating there exist an antiferromagnetic exchange between nitroxides within dimer (J = −8.41 cm−1) and very weak interdimer interaction c −0.39 cm−1).
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