Raman Evidences for the Existence of Three Solid Modifications in MBBA

Abstract
Differences in the Raman spectra occurring at the band assigned to a ring bending vibration at 1163 cm−1 for the three solid modifications (one glassy, and two crystalline modifications, a metastable and a stable one) indicate that metastable disorder may not only be due to motions of the end groups of the MBBA molecule, but also due to motions connected with the benzylide aniline core.