<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="en-CH" link="blue" vlink="purple" style="word-wrap:break-word"> <div class="WordSection1"> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Have a look at this <a href="https://en.wikipedia.org/wiki/Lennard-Jones_potential">page</a> and check this CP2K </span><span lang="DE-CH" style="mso-fareast-language:EN-US"><a href="https://www.cp2k.org/exercises:2018_uzh_acpc2:l-j_flu?s%5b%5d=lennard"><span lang="EN-US">page</span></a></span><span lang="EN-US" style="mso-fareast-language:EN-US"> for instance. <o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"> <p class="MsoNormal" style="margin-left:36.0pt"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">"cp2k@googlegroups.com" <cp2k@googlegroups.com> on behalf of Upasana Nath <upa.riki@gmail.com><br> <b>Reply to: </b>"cp2k@googlegroups.com" <cp2k@googlegroups.com><br> <b>Date: </b>Wednesday, 22 June 2022 at 17:54<br> <b>To: </b>"cp2k@googlegroups.com" <cp2k@googlegroups.com><br> <b>Subject: </b>Re: [CP2K:17211] Epsilon and sigma values<o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt">Sir, can you please send me some link where I can get o brief idea about these parameters. <o:p></o:p></p> <div> <p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt">In the files you mention, I found for H-H, O-O<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt">But how can I find for P-O, C-C, N-C.<o:p></o:p></p> </div> </div> <p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p> <div> <div> <p class="MsoNormal" style="margin-left:36.0pt">On Wed, Jun 22, 2022, 5:10 PM Krack Matthias (PSI) <<a href="mailto:matthias.krack@psi.ch">matthias.krack@psi.ch</a>> wrote:<o:p></o:p></p> </div> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm"> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US">Dear Upasana</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US">For the Lennard-Jones potential, you can find many test inputs in the folder cp2k/tests/Fist like this <a href="https://github.com/cp2k/cp2k/blob/master/tests/Fist/regtest-1-1/argon.inp" target="_blank"> one</a>, in which the LJ parameters <a href="https://manual.cp2k.org/cp2k-9_1-branch/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD/NONBONDED/LENNARD-JONES.html#SIGMA" target="_blank"> SIGMA</a> and <a href="https://manual.cp2k.org/cp2k-9_1-branch/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD/NONBONDED/LENNARD-JONES.html#EPSILON" target="_blank"> EPSILON</a> are defined.</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US">HTH</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US">Matthias</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US"> </span><o:p></o:p></p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">"<a href="mailto:cp2k@googlegroups.com" target="_blank">cp2k@googlegroups.com</a>" <<a href="mailto:cp2k@googlegroups.com" target="_blank">cp2k@googlegroups.com</a>> on behalf of Upasana Nath <<a href="mailto:upa.riki@gmail.com" target="_blank">upa.riki@gmail.com</a>><br> <b>Reply to: </b>"<a href="mailto:cp2k@googlegroups.com" target="_blank">cp2k@googlegroups.com</a>" <<a href="mailto:cp2k@googlegroups.com" target="_blank">cp2k@googlegroups.com</a>><br> <b>Date: </b>Wednesday, 22 June 2022 at 12:26<br> <b>To: </b>"<a href="mailto:cp2k@googlegroups.com" target="_blank">cp2k@googlegroups.com</a>" <<a href="mailto:cp2k@googlegroups.com" target="_blank">cp2k@googlegroups.com</a>><br> <b>Subject: </b>[CP2K:17202] Epsilon and sigma values</span><o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <o:p></o:p></p> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> Dear all,<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> I am new to CP2K. Can you please help how I can find the sigma and epsilon values for my MD calculation? and how can I define the forcefield or FIST takes care of all.<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> Regards<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> Upasana<o:p></o:p></p> </div> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:72.0pt"> -- <br> You received this message because you are subscribed to the Google Groups "cp2k" group.<br> To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com" target="_blank">cp2k+unsubscribe@googlegroups.com</a>.<br> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/CAGrYGCSH_278Gw0jA5jJG3hdbLMkkc2DzmwWp26_juiGzYNMyA%40mail.gmail.com?utm_medium=email&utm_source=footer" target="_blank"> https://groups.google.com/d/msgid/cp2k/CAGrYGCSH_278Gw0jA5jJG3hdbLMkkc2DzmwWp26_juiGzYNMyA%40mail.gmail.com</a>.<o:p></o:p></p> </div> </div> <p class="MsoNormal" style="margin-left:36.0pt">-- <br> You received this message because you are subscribed to the Google Groups "cp2k" group.<br> To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com" target="_blank">cp2k+unsubscribe@googlegroups.com</a>.<br> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/33A517BD-2C73-4D50-833F-51851E9667FA%40psi.ch?utm_medium=email&utm_source=footer" target="_blank"> https://groups.google.com/d/msgid/cp2k/33A517BD-2C73-4D50-833F-51851E9667FA%40psi.ch</a>.<o:p></o:p></p> </blockquote> </div> <p class="MsoNormal" style="margin-left:36.0pt">-- <br> You received this message because you are subscribed to the Google Groups "cp2k" group.<br> To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/CAGrYGCSGEeufDAAWk_NUet%2BA3ztUaThew38Vg%3DKMWwh1TvsVbA%40mail.gmail.com?utm_medium=email&utm_source=footer"> https://groups.google.com/d/msgid/cp2k/CAGrYGCSGEeufDAAWk_NUet%2BA3ztUaThew38Vg%3DKMWwh1TvsVbA%40mail.gmail.com</a>.<br> <br> <o:p></o:p></p> </div> </body> </html> <p></p> -- <br /> You received this message because you are subscribed to the Google Groups "cp2k" group.<br /> To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br /> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/FF4DFD95-C12B-436C-A88F-8FDC025EA8D4%40psi.ch?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/FF4DFD95-C12B-436C-A88F-8FDC025EA8D4%40psi.ch</a>.<br />