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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure and Hirshfeld surface analysis of a pyridiniminium bromide salt: 1-[2-(adamantan-1-yl)-2-oxoeth­yl]pyridin-4-iminium bromide
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Crystal structure and Hirshfeld surface analysis of a pyridiniminium bromide salt: 1-[2-(adamantan-1-yl)-2-oxoeth­yl]pyridin-4-iminium bromide

机译:吡啶鎓溴化铵盐的晶体结构和Hirshfeld表面分析:1- [2-(金刚烷-1-基)-2-氧代乙基]吡啶-4-亚溴化铵

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摘要

In the cation of the title salt, C17H23N2O+·Br−, the adamantyl moiety and the pyridiniminium ring are inclined to the ketone bridge by torsion angles of −78.1 (2) (C—C—C=O) and 58.3 (2)° (C—C—N—C), respectively, and the ketone bridge has a C—C—C—N torsion angle of 174.80 (15)°. In the crystal, the cations are connected into chains parallel to the c axis by C—H⋯O hydrogen bonds. The chains are further linked into layers parallel to the bc plane by N—H⋯Br and C—H⋯Br hydrogen bonds, C—H⋯π inter­actions and π–π stacking inter­actions [centroid-to-centroid distance = 3.5657 (11) Å]. A Hirshfeld surface analysis, which comprises the dnorm surface, electrostatic potential map and two-dimensional fingerprint plots, was carried out to verify the contribution of the various inter­molecular inter­actions.
机译:在标题盐的阳离子C17H23N2O +·Br-中,金刚烷基部分和吡啶鎓鎓环相对于酮桥倾斜,扭转角为-78.1°(2)(CC-C = O)和58.3°(2)°分别为(CC-NC),并且所述酮桥的CC-N扭转角为174.80°(15)°。在晶体中,阳离子通过C = H的氢键连接成平行于c轴的链。这些链还通过N-H⋯Br和C-H⋯Br氢键,CH-H⋯π相互作用和π-π堆积相互作用[质心间比= 3.5657(11 ) 一种]。进行了Hirshfeld表面分析,包括标准表面,静电势图和二维指纹图,以验证各种分子间相互作用的作用。

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