D-sorbitol 

Melted in oven at 390 K for four hours, placed in the warmed-up (melting temperature) capacitor and subsequently
cooled to room temperature. 

Measured at Roskilde university

Albena I. Nielsen, Tage Christensen, Bo Jakobsen, Kristine Niss, Niels Boye Olsen,
Ranko Richert, and Jeppe C. Dyre,THE JOURNAL OF CHEMICAL PHYSICS 130, 154508 (2009)

The data  set is organized as 5 files:
Sorbitol.png - the plot of data
Sorbitol_Freq.dat - the frequencies
Sorbitol_Imag.dat - the imaginary parts
Sorbitol_Real.dat - the real parts 
Sorbitol_Temp.dat - the temperatures