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Tuning proton behavior in a ternary molecular complex

机译:调整三元分子复合物中的质子行为

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摘要

The multicomponent ternary complex of 4-dimethylaminobenzoic acid (4-DABA), 3,5-dinitrobenzoic acid (3,5-DNBA), and 4,4′-bipyridine (BIPY) has been studied by variable temperature X-ray and neutron diffraction. Proton disorder is observed within the 4-DABA homodimers present and quantitatively evaluated from neutron data. The effect of the crystal environment and in particular the pyramidalization of the nitrogen atom within the 4-DABA molecule and the consequential effect on the presence of hydrogen atom disorder are discussed with reference to the previously determined pure 4-DABA structure and the binary cocrystal with 3,5-DNBA.
机译:用可变温度X射线和中子研究了4-二甲基氨基苯甲酸(4-DABA),3,5-二硝基苯甲酸(3,5-DNBA)和4,4'-联吡啶(BIPY)的多组分三元复合物。衍射。在存在的4-DABA同型二聚体中观察到质子紊乱,并根据中子数据进行定量评估。晶体环境的影响,尤其是4-DABA分子中氮原子的金字塔化以及对氢原子无序存在的相应影响,已参考先前确定的纯4-DABA结构和具有3,5-DNBA。

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