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首页> 外文期刊>Acta Crystallographica, Section B. Structural Science >Pressure-induced polymorphism in cyclopropylamine
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Pressure-induced polymorphism in cyclopropylamine

机译:环丙胺中的压力诱导多态性

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摘要

The crystal structure of cyclopropylamine at 1.2 GPa has been determined by X-ray diffraction methods. The structure of this phase is orthorhombic, space group Pbca and the unit-cell dimensions are a = 5.0741 (10), b = 9.7594 (10) and c = 13.305 (2) angstrom. Only one of the two H atoms of the amino group actively participates in the formation of the hydrogen-bonded chains, C(2) in graph-set notation, which lie parallel to the crystallographic a axis. Additionally, the topology of the crystal packing is studied using both Voronoi-Dirichlet polyhedra and Hirshfeld surface analyses for the low-temperature and the high-pressure structures of cyclopropylamine and the results are compared.
机译:通过X射线衍射法测定了在1.2GPa下的环丙胺的晶体结构。该相的结构是正交的,空间群为Pbca,晶胞尺寸为a = 5.0741(10),b = 9.7594(10)和c = 13.305(2)埃。氨基的两个H原子中只有一个活跃地参与了氢键连接链C(2)的图形设置符号表示,其平行于晶体学a轴。此外,使用Voronoi-Dirichlet多面体和Hirshfeld表面分析研究了环丙胺的低温和高压结构的晶体堆积拓扑,并对结果进行了比较。

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