<div>Dear all</div>
<div> I want to calculate the total energy of a double walled nanotube system with some changes.The count on the atom comes around 3000.Is it possible to do such a large value of atom count for free energy calculation in quantum espresso I want to to know the potential energy minima between the separated nanotubes(the distance between the nanotube is varied to compute the minima).I cannot comprimise on my atom count.Is it possible to do such a thing.</div>
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<div>Thank you</div>
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<div>Kind regards,</div>
<div>Sakthi</div>