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MMTSB/CTBP Summer Workshop<br />

Solvent dynamics<br />

water self diffusion<br />

The diiffusion coefficient D can be computed using<br />

the Einstein relation:<br />

lim MSD(<br />

t)<br />

=<br />

t"<br />

!<br />

6Dt<br />

MSD is the mean square displacement <br />

of a molecule in time t.<br />

D is obtained from the slope of MSD vs t at ”long”<br />

time.<br />

© Lennart Nilsson , 2006.

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