Screening and structural elucidation of the zwitterionic cocrystal o-picolinic acid with p-nitro aniline
作者： R. Mathammal , K. Sangeetha , R. Mekala , P. Jagdish
DOI: 10.1016/J.MOLSTRUC.2016.12.085
关键词:
摘要: Abstract The cocrystal was screened by solvent drop grinding method and the crystals were grown slow evaporation at ambient conditions. formation of o-picolinic acid with p-nitro aniline initially analysed powder X-ray diffraction. Further structural properties crystal confirmed single diffraction which indicates that connected strong N+ H−⋯O hydrogen bond interaction. cell parameters a = 14.2144(5) A, b = 5.7558(2) A, c = 16.0539(6) A. functional groups identified using Fourier transform infrared Raman spectral analysis. excitation emission state sample UV–Visible Fluorescence studies. red observed from NMR studies revealed chemical shift cocrystal. Thermal stability its melting behaviour studied TGA DSC analytical techniques. Electrical dielectric intermolecular charge transfer within molecule HOMO- LUMO plots.
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