<div dir="ltr">Much to think about. Many thanks for the responses<br><br>
<br>
On Sun, 2014-01-19 at 15:58 +0200, Manuel Fernandes wrote:<br>
> Dear Stefano,<br>
><br>
><br>
> Many thanks for your response. The issue is that I would like to know<br>
> this answer when the molecules are within a crystal environment so<br>
> that they are interacting with many neighbours and not just<br>
> interacting with each other.<br>
><br>
><br>
> Kind regards,<br>
><br>
><br>
> Manuel<br>
><br>
> Date: Fri, 17 Jan 2014 15:39:49 +0100<br>
> From: stefano de gironcoli <<a href="mailto:degironc@sissa.it">degironc@sissa.it</a>><br>
> Subject: Re: [Pw_forum] Interaction energies between molecules<br>
> To: PWSCF Forum <<a href="mailto:pw_forum@pwscf.org">pw_forum@pwscf.org</a>><br>
> Message-ID: <<a href="mailto:52D940B5.8080704@sissa.it">52D940B5.8080704@sissa.it</a>><br>
> Content-Type: text/plain; charset="iso-8859-1"<br>
><br>
> the way to compute the interaction energy between two fragments is to<br>
> compute the two fragments together and compare with the energy of the<br>
> two separated fragments.<br>
><br>
> stefano<br>
><br>
> On 01/17/2014 10:32 AM, Manuel Fernandes wrote:<br>
> > Hi everyone,<br>
> ><br>
> > Is there anyway to do a lattice energy calculation on an organic<br>
> > crystal and then extract the interaction energy between pairs of<br>
> > molecules of interest from that? What I would like to know for<br>
> example<br>
> > is how strongly a molecule as a whole interacts with its neighbours<br>
> in<br>
> > particular directions in a crystal environment.<br>
> ><br>
> > Thanking you in advance,<br>
> ><br>
> > Manuel Fernandes<br>
> ><br>
> ><br>
> ><br></div>