<div dir="ltr">Exponential / r^-6 potential is called Williams in CP2K might do what you want.<div><br></div><div><a href="http://manual.cp2k.org/trunk/CP2K_INPUT.html" style="font-family: monospace; text-transform: uppercase;">CP2K_INPUT</a><span style="color: rgb(0, 0, 0); font-family: monospace; text-transform: uppercase;"> / </span><a href="http://manual.cp2k.org/trunk/CP2K_INPUT/FORCE_EVAL.html" style="font-family: monospace; text-transform: uppercase;">FORCE_EVAL</a><span style="color: rgb(0, 0, 0); font-family: monospace; text-transform: uppercase;"> / </span><a href="http://manual.cp2k.org/trunk/CP2K_INPUT/FORCE_EVAL/MM.html" style="font-family: monospace; text-transform: uppercase;">MM</a><span style="color: rgb(0, 0, 0); font-family: monospace; text-transform: uppercase;"> / </span><a href="http://manual.cp2k.org/trunk/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD.html" style="font-family: monospace; text-transform: uppercase;">FORCEFIELD</a><span style="color: rgb(0, 0, 0); font-family: monospace; text-transform: uppercase;"> / </span><a href="http://manual.cp2k.org/trunk/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD/NONBONDED.html" style="font-family: monospace; text-transform: uppercase;">NONBONDED</a><span style="color: rgb(0, 0, 0); font-family: monospace; text-transform: uppercase;"> / </span><a href="http://manual.cp2k.org/trunk/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD/NONBONDED/WILLIAMS.html" style="font-family: monospace; text-transform: uppercase;">WILLIAMS</a><br></div><div><br></div><div>What is the history with the Williams (shows ignorance)??<br></div><div><br></div><div>Matt<br><br>On Wednesday, October 1, 2014 10:38:27 AM UTC+1, Getachew Gizaw wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div dir="ltr">


        
        
        
        


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<p style="margin-bottom:0in"><font size="3">Hi all,<br>I am quit
beginner for cp2k and Classical MD world. <font color="#000000"><span lang="fi-FI">Does
Born–Meyer–Buckingham (BMB) potential implemented in cp2k? I can't find the key word for BMB potential in the manual. <br></span></font></font></p><p style="margin-bottom:0in"><font size="3"><font color="#000000"><span lang="fi-FI">Any help?
Thanks a lot for your help!</span></font></font></p><p style="margin-bottom:0in"><font size="3"><font color="#000000"><span lang="fi-FI"></span></font></font><font size="3"><font color="#000000"><span lang="fi-FI"><br></span></font></font></p><p style="margin-bottom:0in"><font size="3"><font color="#000000"><span lang="fi-FI">/Getachew</span></font></font></p>

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