On the mechanism of some first-order enantiotropic solid-state phase transitions: from Simon through Ubbelohde to Mnyukh

Herbstein, F.H.

doi:10.1107/S0108768106008640

Figure 29
2-(2,4-Dinitrobenzyl)-3-methylpyridine - mole fractions of the EI-A and EII-B phases obtained from the integrated intensities of peaks from the entire set of ¹⁵N CPMAS NMR lines as a function of increasing temperature. Note the resemblance to the lower portion of Fig. 14

(coexistence of neutral and ionic phases of TTF

CA). Inset: Mole fraction of phase B through the heating-cooling cycle. Adapted from Schmidt et al. (1999