阳离子自由基盐α-(BEDT-TTF)2Hg(SeCN)2Cl†中的一维反铁磁链

IF 2.6 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

CrystEngComm Pub Date : 2025-04-16 DOI:10.1039/D5CE00007F

A. Henderson, A. Razpopov, S. Biswas, R. Valentí, H. Cui, R. Kato, K. Wei, J. van Tol, T. Siegrist and J. A. Schlueter

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引用次数: 0

摘要

在（BEDT-TTF）2Hg(QCN)2Cl （Q = S, Se）阳离子基盐的阴离子中，硫被硒取代导致阴离子结构和BEDT-TTF填充基序的剧烈变化。本文报道了一种新的α-(BEDT-TTF)2Hg(SeCN)2Cl盐，它可以稳定两个晶体独立的BEDT-TTF分子之间的电荷歧化，从而形成垂直于堆叠轴的1D自旋链。

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One-dimensional antiferromagnetic chain in the cation radical salt α-(BEDT-TTF)2Hg(SeCN)2Cl†

Replacement of sulfur with selenium in the anion of the (BEDT-TTF)₂Hg(QCN)₂Cl (Q = S, Se) cation radical salts results in a dramatic change in the anion structure and the BEDT-TTF packing motif. Here we report the new α-(BEDT-TTF)₂Hg(SeCN)₂Cl salt that stabilizes charge disproportionation between two crystallographically independent BEDT-TTF molecules resulting in the formation of 1D spin chains perpendicular to the stacking axis.

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