Using p-, m- and o- nitroanilines and p-, m- and o-nitrophenols, fifteen mixed crystals of 1:1 molar ratio have been prepared by a melting-resolidification process and characterized by powder X-ray diffraction, differential scanning calorimetry, IR spectroscopy and phase diagram. Among them eight mixed crystals have been assigned to form molecular compounds and others to be simple mixtures of the component crystals. The second harmonic generation (SHG) activity was measured.
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Koshima et al. (1996) studied this question.
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