Plot a free energy landscape analysis?

I want to draw a FEL 3D plot using Mathematica11.3, but I am unable to do so. Please help me to sort this out. I have attached CDF file for your kind attention.

Thanking you.
With Regards,
Budheswar

FEL.cdf (10.4 KB)

The file FEL.cdf does not contain any data. Attach a data file free-energy-landscape.txt

How to plot Free energy landscape using the attached txt file. Please help… Thanks in advance.

FEL.txt (24 KB)