dicyclohexyl-2-methyl succinate, DCHMS, (synthesized at Díaz-Calleja’s laboratory at Universidad Politécnica de Valencia),

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:
DCHMS.png - the plot of data
DCHMS_Freq.dat - the frequencies
DCHMS_Imag.dat - the imaginary parts
DCHMS_Real.dat - the real parts 
DCHMS_Temp.dat - the temperatures