Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The correlation coefficients of the modes in the temperature range of T1 = 415–447 K. Symbols are the results extracted from the fitting of experimental data as explained in the text; solid lines are the fits to Eq. 2 with the best-fit parameters indicated. M, monoclinic.
