Molecular rotation induced giant, anisotropic negative thermal expansion in a hydrogen-bonded coordination framework

被引：7

作者：

Meng, Peng ^{[1
]}

Brock, Aidan ^{[1
]}

Wang, Xiaodong ^{[2
]}

Wang, Yuting ^{[1
]}

McMurtrie, John ^{[1
]}

Xu, Jingsan ^{[1
]}

机构：

[1] Queensland Univ Technol, Ctr Mat Sci, Sch Chem & Phys, Brisbane, Qld 4000, Australia

[2] Queensland Univ Technol, Inst Future Environm, Cent Analyt Res Facil, Brisbane, Qld 4000, Australia

来源：

INORGANIC CHEMISTRY FRONTIERS | 2023年 / 10卷 / 08期

关键词：

D O I：

10.1039/d2qi02265f

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Negative thermal expansion (NTE) is generally caused by the transverse vibration of the bridging groups. Herein, we report a new supramolecular structure of cyanuric acid-melamine-zinc (CA-M-Zn) demonstrating unique molecular rotation induced NTE along the c axis (volumetric expansion coefficient alpha(v) = -197 x 10(-6) K-1, linear expansion coefficient alpha(c) = -242 x 10(-6) K-1), accompanied by a significant decrease of beta angle (-3.8%).

引用

页码：2399 / 2403

页数：5

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