Proton-transfer supramolecular salts of D-/L-tartaric acid and 1-(2-Pyrimidyl)piperazine

被引：22

作者：

Ding, Xue-Hua ^{[1
]}

Li, Yong-Hua ^{[1
]}

Wang, Shi ^{[1
]}

Huang, Wei ^{[1
,2
]}

机构：

[1] Nanjing Univ Posts & Telecommun, Inst Adv Mat IAM, Key Lab Organ Elect & Informat Displays KLOEID, Nanjing 210046, Jiangsu, Peoples R China

[2] Nanjing Univ Technol, Inst Adv Mat, Jiangsu Singapore Joint Res Ctr Organ Bioelect &, Nanjing 211816, Jiangsu, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2014年 / 1062卷

关键词：

Proton-transfer; Supramolecular salts; Hydrogen bonding; Supramolecular synthons; 3D framework; HYDROGEN-BOND; NONCOVALENT SYNTHESIS; TARTRATE; FERROELECTRICS; CHEMISTRY; COMPLEX;

D O I：

10.1016/j.molstruc.2013.12.054

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ionic supramolecular salts 1 and 2 were prepared by single-proton transfer reactions between 1-(2-pyrimidyl)piperazine and D-/L-tartaric acid. An interesting feature in the tartrate is the head-to-tail arrangement and very wide range of anionic substructures observed through hydrogen-bonding interactions, including ring motifs, infinite double zigzag chain and three-dimensional supramolecular framework. Thermal analysis revealed that salts 1 and 2 undergo an irreversible phase transition at about 158 degrees C, which is ascribed to the loss of water molecule. The temperature- and frequency-dependent dielectric constants in 2 suggested a low-frequency thermal fluctuation above 100 degrees C. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：61 / 67

页数：7

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