X-Ray Diffraction Study of p-(Alkoxybenzylidene)-p '-Toluidines C2H5O-C6H4-CH=N-C-6-H-4-CH3 and C4H9O-C6H4-CH=N-C6H4-CH3

Kuzmina LG; Kucherepa NS; Rodnikova MN

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X-Ray Diffraction Study of p-(Alkoxybenzylidene)-p '-Toluidines C2H5O-C6H4-CH=N-C-6-H-4-CH3 and C4H9O-C6H4-CH=N-C6H4-CH3

机译：对-（烷氧基苄叉）-p'-甲苯胺C2H5O-C6H4-CH = N-C-6-H-4-CH3和C4H9O-C6H4-CH = N-C6H4-CH3的X射线衍射研究

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The molecular and crystal structures of two p-alkoxybenzylidene)-p'-toluidines C2H5O-C6H4-CH=N-C6H4-CH3 (1) and C4H9O-C6H4-CH=N-C6H4-CH3 (2) are determined by X-ray diffraction. Crystals 1 and 2 contain four and two crystallographically independent molecules, respectively. In 1, the geometry of the independent molecules is almost identical. In 2, the independent molecules differ in the conformation of the alkyl chain, which is disordered in one of them. An analysis of the crystal packing of 2 reveals the alternation of spacious layers formed by loosely packed aliphatic fragments of molecules and layers of closely packed aromatic fragments, which ensures the formation of the mesogenic phase in the course of melting of crystals 2. In crystal 1, loose aliphatic layers are absent.

机译：两个对-烷氧基亚苄基）-p'-甲苯胺C2H5O-C6H4-CH = N-C6H4-CH3（1）和C4H9O-C6H4-CH = N-C6H4-CH3（2）的分子和晶体结构射线衍射。晶体1和2分别包含四个和两个晶体学独立的分子。在1中，独立分子的几何形状几乎相同。在2中，独立分子的烷基链构象不同，其中之一是无序的。对2的晶体堆积的分析揭示了由疏松堆积的分子脂肪族片段和紧密堆积的芳族片段的层形成的宽大层的交替，这确保了晶体2熔融过程中介晶相的形成。在晶体1中，没有松散的脂族层。

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《Crystallography reports》 |2008年第6期|共7页
作者
Kuzmina LG; Kucherepa NS; Rodnikova MN;
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正文语种 eng
中图分类晶体学;
关键词
MESOMORPHIC AROMATIC ESTERS; CRYSTAL-STRUCTURES; MOTIFS; ACID;

机译：中亚芳香族酯;晶体结构;基团;酸;

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1. X-Ray Diffraction Study of p-(Alkoxybenzylidene)-p '-Toluidines C2H5O-C6H4-CH=N-C-6-H-4-CH3 and C4H9O-C6H4-CH=N-C6H4-CH3 [J] . Kuzmina LG, Kucherepa NS, Rodnikova MN Crystallography reports . 2008,第6期

机译：对-（烷氧基苄叉）-p'-甲苯胺C2H5O-C6H4-CH = N-C-6-H-4-CH3和C4H9O-C6H4-CH = N-C6H4-CH3的X射线衍射研究
2. X-Ray Diffraction Study of p-(Alkoxybenzylidene)-p '-Toluidines C5H11O-C6H4-CH=N-C6H4-CH3 and C8H17O-C6H4-CH=N-C6H4-CH3 [J] . Kuzmina LG, Kucherepa NS, Rodnikova MN Crystallography reports . 2008,第6期

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X-Ray Diffraction Study of p-(Alkoxybenzylidene)-p '-Toluidines C2H5O-C6H4-CH=N-C-6-H-4-CH3 and C4H9O-C6H4-CH=N-C6H4-CH3

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