An official website of the United States government
Here's how you know
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 time-dependent fluctuations of three water molecules at distances of 1.96Å (a), 4.90Å (b) and 6.21Å, respectively (c) from charged (left) and uncharged (right) Na+ ion during a 2ns molecular dynamics simulation.