On 2011-02-14 06.25, leila separdar wrote:


I have performed an annealing simulation from temp 300 K to 0 K and I do
not know how to use g_energy command in order to give me heat capacity
Cv as a function of time or temperature. could anybody help me please?
the version of gromacs that I have installed is 4-5-3

Heat capacity is computed from fluctuation in equilibrium, hence a simulated annealing run can not give you the Cv. Also note that if you do an equilibrium sim, the computation of quantum corrections is incorrect in g_energy.

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David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell & Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
sp...@xray.bmc.uu.se    http://folding.bmc.uu.se
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