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.
Disconnectivity graphs for alanine dipeptide when permutational isomers are distinguished. (A) Potential energy graph, (B) free-energy graph for 
, (C) free-energy graph for 
, (D) free-energy graph for 
, (E) free-energy graph for 
, and (F) free-energy graph for 
.
