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Crystal polymorphs and transformations of 2-iodo-4-nitroaniline

机译:2-碘-4-硝基苯胺的晶体多晶型物和转变

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摘要

Full crystal structural characterization of three crystal polymorphs of 2-iodo-4-nitroaniline was carried out: the triclinic, orthorhombic, and a new monoclinic form. Powder X-ray diffraction, differential scanning calorimetry, and infrared data on the three of these are reported. Solvent-mediated transformations were observed on the basis of changes in crystal morphology and data from an in situ laser probe. Transformation to the monoclinic form was observed in all cases.
机译:对2-碘-4-硝基苯胺的三种晶体多晶型物进行了全晶体结构表征:三斜晶系,斜方晶系和新的单斜晶形式。报告了这三种粉末的X射线衍射,差示扫描量热法和红外数据。根据晶体形态和原位激光探针数据的变化,观察到溶剂介导的转化。在所有情况下均观察到转化为单斜晶形式。

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