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Phase transition behavior of 4-cyano-3-fluorophenyl 4′-n-octylbenzoate (8CFPB) was studied by differential scanning calorimetry (DSC), polarizing microscopy, FT-IR spectroscopy and X-ray diffraction. Liquid-like and solid-like polymorphism with monotropic system of phases was identified. Assignment of the FT-IR vibrational modes in glass of the crystalline rotatory phase was done using the quantum...
The results of X-ray and FT-IR spectroscopy studies of the N-P-(Ethoxybenzylidene) p'-propylaniline (abbreviated as EBPA) are presented. The structures of solid phases (Cr1, Cr2, Cr3) and temperature dependences of the unit cell parameters have been established on the basis of X-ray measurements. Irreversible phase transition Cr3–N between crystalline fresh sample (crystallized from solution without...
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