Self-Assembly of 1-Deazahypoxanthine: Cooperativity of Hydrogen-Bonding and Stacking Interactions

被引:2
|
作者
Hirao, Yasukazu [1 ]
Seo, Shiori [1 ]
Kubo, Takashi [1 ]
机构
[1] Osaka Univ, Grad Sch Sci, Dept Chem, Toyonaka, Osaka 560043, Japan
来源
JOURNAL OF PHYSICAL CHEMISTRY C | 2019年 / 123卷 / 34期
关键词
CRYSTAL-STRUCTURE; ADENINE-THYMINE; 7-DEAZAHYPOXANTHINES; DERIVATIVES; COMPLEXES; ACID; NUCLEOSIDES; ASSISTANCE; STABILITY; COVALENCY;
D O I
10.1021/acs.jpcc.9b05033
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
A ladder-like chain structure consisting of strong hydrogen bonds was developed from 1-deazahypoxanthine. In addition, electrostatic interactions derived from hydrogen-bond-induced pi polarization contribute synergistically with interchain stacking to form very strong layered assemblies. Using structural data and difference Fourier diagrams obtained from single-crystal X-ray structural analyses, it was revealed that the quadrupole distribution of polarization charges on 1-deazahypoxanthine favored strong intermolecular interactions.
引用
收藏
页码:20928 / 20935
页数:8
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