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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Liquid crystalline G phase of self assembled donor-acceptor molecules by intermolecular hydrogen bonding
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Liquid crystalline G phase of self assembled donor-acceptor molecules by intermolecular hydrogen bonding

机译：自组装供体-受体分子间氢键的液晶G相

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摘要

The interaction with donor p-n-alkylbenzoic acid and acceptor nonyl-p-hydroxy benzoate molecules was studied. The likely association of these molecules to complexes is studied by intermolecular hydrogen bonding. The textures are observed by polarizing optical microscope with corresponding transitions confirmed by differential scanning calorimetry. The molecular complexes exhibited enantiotropic crystal G phases in both heating and cooling cycles. The relevant functional groups C O, C-O and OH in formation of molecular complexes are attributed with spectral shifts in infrared spectra and further with absorption studies. The proton NMR studies convinced the structural aspects of hydrogen bonded structure. Crystal parameters were studied with powdered X-ray diffraction. The results show that constituent molecules self organize through intermolecular hydrogen bonding in the formation of crystal G phase.
机译：研究了与供体对-n-烷基苯甲酸和受体壬基-对-羟基苯甲酸酯分子的相互作用。通过分子间氢键研究了这些分子与配合物的可能缔合。通过偏振光学显微镜观察纹理，并通过差示扫描量热法确认相应的跃迁。分子配合物在加热和冷却循环中均表现出对映晶体G相。分子配合物形成过程中相关的官能团C O，C-O和OH归因于红外光谱的光谱偏移以及吸收研究。质子NMR研究证实了氢键结构的结构方面。用粉末X射线衍射研究晶体参数。结果表明，组成分子通过分子间氢键自组织形成晶体G相。

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