[Pw_forum] Dispersion correction issue

2013-11-08 Thread Michael Fischer
Dear Martin! You are indeed right, that's the origin of my "problem". Stupid error on my part. Thanks for the clarification! Best wishes, Michael Martin Andersson wrote: Hi, QE uses Ry. I believe that CASTEP uses Ha. There is your factor 2. Cheers, Martin Andersson University of

[Pw_forum] Dispersion correction issue

2013-11-08 Thread Martin Andersson
Hi, QE uses Ry. I believe that CASTEP uses Ha. There is your factor 2. Cheers, Martin Andersson University of Copenhagen On 8 nov 2013, at 12:37, Michael Fischer wrote: > Hello everyone, > > I am trying to do some single point calculations for a porous system > including a guest molecule

[Pw_forum] Dispersion correction issue

2013-11-08 Thread Michael Fischer
Hello everyone, I am trying to do some single point calculations for a porous system including a guest molecule using QuantumEspresso 5.0.2, employing the PBE functional and the Grimme-type dispersion correction (London=.true., other related parameters on default settings). When comparing my

[Pw_forum] Dispersion Correction

2011-01-06 Thread Daniel Forrer
Dear TAE BUM LEE, It is the sum over all the atomic pairs. To compute the interaction between, e.g. two molecules one has to compute the energy of the dimer and subtract the energy of the two isolated fragments. hope this helps daniel 2011/1/5 TAE BUM LEE > Hi, > > In PBE with Dispersion

[Pw_forum] Dispersion Correction

2011-01-05 Thread TAE BUM LEE
Hi, In PBE with Dispersion Correction, what is exact meaning of "Dispersion Correction" in output? Is it only for dispersion interaction energy or any interatomic interaction after dispersion? TAE BUM LEE Dept. Chemistry. & Biochemistry Auburn Univ. AL.