在异体感[FeIII(qsal-5-I) ((qsal-5-OMe) ]A复合体中改善旋转交叉特性
Raúl Díaz-Torres1, Silvia Gómez-Coca2, Eliseo Ruiz2
1Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand.
Dalton transactions (Cambridge, England : 2003)
|November 1, 2023
概括
新的异构铁复合体表现出可调节的旋转交叉 (SCO) 特性. 三叶酸复合物 (OTf) 显示了通过歇斯底里增强的突发性SCO,表现优于相关的同质复合物.
科学领域:
- 协调化学 协调化学
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
背景情况:
- 基于铁 (III) 复合物的旋转交叉 (SCO) 材料对于分子开关和传感器至关重要.
- 与同性对应物相比,异性复合物具有可调节的特性.
- 了解结构-属性关系是设计先进的上合组织材料的关键.
研究的目的:
- 为了合成和表征一系列异体质铁(III) 旋转交叉复合体.
- 为了研究连接体变异和对抗对SCO行为的影响.
- 为了比较新的异质感复合物的SCO性能与现有的同质感类似物.
主要方法:
- 合成异体质的[{Feqsal-5-I}{qsal-5-OMe}]A·sol复合物.
- 磁感应度测量以研究旋转交叉过渡.
- 单晶X射线衍射用于结构分析.
- 使用r2SCAN函数的密度函数理论 (DFT) 计算.
主要成果:
- 大多数合成的复合体都会呈现逐渐的旋转交叉.
- 三叶酸 (OTf) 复合体在溶剂丢失时表现出突然的歇斯底里SCO (35K),表现优于相关的同质复合体 (8K歇斯底里).
- 结构研究和DFT计算显示,晶体包装和π-π链相互作用显著影响上海合作组织的合作性.
结论:
- 异体感设计允许增强的旋转交叉特性,特别是突然的SCO和歇斯底里.
- 晶体包装和溶剂损失在调节SCO行为中起着至关重要的作用.
- 这些发现为设计下一代分子开关和内存设备提供了洞察力.
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