<html xmlns:v="urn:schemas-microsoft-com:vml" 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="DE" link="blue" vlink="purple" style="word-wrap:break-word"> <div class="WordSection1"> <p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Without the full input, it is difficult to give further hints.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm"> <p class="MsoNormal" style="margin-left:35.4pt"><b>Von:</b> cp2k@googlegroups.com <cp2k@googlegroups.com> <b>Im Auftrag von </b>oandr...@gmail.com<br> <b>Gesendet:</b> Montag, 24. April 2023 17:30<br> <b>An:</b> cp2k <cp2k@googlegroups.com><br> <b>Betreff:</b> Re: [CP2K:18699] modification of CELL_ parameters<o:p></o:p></p> </div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> <p class="MsoNormal" style="margin-left:35.4pt">Dear Mathias, <o:p></o:p></p> <div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt">I tried the KEEP_ANGLES, and indeed it keeps the cell vectors, but only the first step, after that it applies the same transformation . <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt">CELL_REF| Volume [angstrom^3]: 2098.417005<br> CELL_REF| Vector a [angstrom -6.381 -11.052 -0.000 |a| = 12.761263<br> CELL_REF| Vector b [angstrom -6.381 11.052 0.000 |b| = 12.761263<br> CELL_REF| Vector c [angstrom 0.000 0.000 -14.879 |c| = 14.879004<br> CELL_REF| Angle (b,c), alpha [degree]: 90.000000<br> CELL_REF| Angle (a,c), beta [degree]: 90.000000<br> CELL_REF| Angle (a,b), gamma [degree]: 120.000000<br> CELL_REF| Numerically orthorhombic: NO<br> CELL_OPT| Pressure tolerance [bar]: 100.0<br> CELL_OPT| Keep angles between the cell vectors: YES<br> CELL_OPT| Keep cell symmetry: NO<br> CELL_OPT| Constraint: NONE<br> *** STARTING CELL OPTIMIZATION ***<br> CELL| Volume [angstrom^3]: 2098.417005<br> CELL| Vector a [angstrom]: 12.761 0.000 0.000 |a| = 12.761263<br> CELL| Vector b [angstrom]: -6.381 11.052 0.000 |b| = 12.761263<br> CELL| Vector c [angstrom]: 0.000 0.000 14.879 |c| = 14.879004<br> CELL| Angle (b,c), alpha [degree]: 90.000000<br> CELL| Angle (a,c), beta [degree]: 90.000000<br> CELL| Angle (a,b), gamma [degree]: 120.000000<br> CELL| Numerically orthorhombic: NO<br> CELL| Volume [angstrom^3]: 2083.849671<br> CELL| Vector a [angstrom]: 12.727 0.000 0.000 |a| = 12.726904<br> CELL| Vector b [angstrom]: -6.363 11.022 0.000 |b| = 12.726904<br> CELL| Vector c [angstrom]: 0.000 0.000 14.856 |c| = 14.855602<br> CELL| Angle (b,c), alpha [degree]: 90.000000<br> CELL| Angle (a,c), beta [degree]: 90.000000<br> CELL| Angle (a,b), gamma [degree]: 120.000000<br> CELL| Numerically orthorhombic: NO<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt">I wonder if is possible to stop this behaviour , <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt">best, <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt">Andres Ortega<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p> </div> <div> <div> <p class="MsoNormal" style="margin-left:35.4pt">El lunes, 24 de abril de 2023 a la(s) 17:09:45 UTC+2, Krack Matthias escribió:<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:35.4pt"> <span lang="EN-US">Yes, you can try KEEP_ANGLES, but this is not exactly the same constraint, because a and b are allowed to differ in length.</span><o:p></o:p></p> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:35.4pt"> <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:35.4pt"> <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:35.4pt"> <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;margin-bottom:12.0pt;margin-left:71.4pt"> <b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black"><span class="MsoHyperlink">cp...@googlegroups.com</span> <<span class="MsoHyperlink">cp...@googlegroups.com</span>> on behalf of <span class="MsoHyperlink">oandr...@gmail.com</span> <<span class="MsoHyperlink">oandr...@gmail.com</span>><br> <b>Date: </b>Monday, 24 April 2023 at 16:56<br> <b>To: </b>cp2k <<span class="MsoHyperlink">cp...@googlegroups.com</span>><br> <b>Subject: </b>Re: [CP2K:18697] modification of CELL_ parameters</span><o:p></o:p></p> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> Dear Mathias , <o:p></o:p></p> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> thank you for your email <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> However how can I make a cell opt, where I keep the symmetry, <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> then I should just use KEEP_ANGLES , will it be enough?<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> best <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> Andres <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <o:p></o:p></p> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> El lunes, 24 de abril de 2023 a la(s) 16:40:52 UTC+2, Krack Matthias escribió:<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-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt"> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <span lang="DE-CH">Hi Andres</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <span lang="DE-CH"> </span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <span lang="EN-US">The keyword </span>SYMMETRY MONOCLINIC_GAMMA_AB<span lang="EN-US"> changes the cell as requested. Drop that keyword, if you want to keep the cell vectors from your input.</span><o:p></o:p></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <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:71.4pt"> <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:71.4pt"> <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:71.4pt"> <span lang="EN-US">Matthias</span><o:p></o:p></p> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> <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;margin-bottom:12.0pt;margin-left:107.4pt"> <b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black"><span class="MsoHyperlink">cp...@googlegroups.com</span> <<span class="MsoHyperlink">cp...@googlegroups.com</span>> on behalf of <span class="MsoHyperlink">oandr...@gmail.com</span> <<span class="MsoHyperlink">oandr...@gmail.com</span>><br> <b>Date: </b>Monday, 24 April 2023 at 16:33<br> <b>To: </b>cp2k <<span class="MsoHyperlink">cp...@googlegroups.com</span>><br> <b>Subject: </b>[CP2K:18695] modification of CELL_ parameters</span><o:p></o:p></p> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> Dear Cp2k users and developers, <o:p></o:p></p> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> I was wondering if you could help me with a doubt i have , <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> does cp2k modifies the cell vectors (applies an operation to them) once you set up a cell opt calculations <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> for example <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> say you have a systems with these cell parameters in the input file <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> &CELL<br> A -1.59515785 -2.7628944422923 -3.9070099102745e-16<br> B -1.59515785 2.7628944422923 1.9535049551373e-16<br> C 0.0 0.0 -14.879004<br> MULTIPLE_UNIT_CELL 4 4 1<br> SYMMETRY MONOCLINIC_GAMMA_AB<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> but once the simulations starts it becomes <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> CELL_TOP| Volume [angstrom^3]: 2098.417005<br> CELL_TOP| Vector a [angstrom 12.761 0.000 0.000 |a| = 12.761263<br> CELL_TOP| Vector b [angstrom -6.381 11.052 0.000 |b| = 12.761263<br> CELL_TOP| Vector c [angstrom 0.000 0.000 14.879 |c| = 14.879004<br> CELL_TOP| Angle (b,c), alpha [degree]: 90.000000<br> CELL_TOP| Angle (a,c), beta [degree]: 90.000000<br> CELL_TOP| Angle (a,b), gamma [degree]: 120.000000<br> CELL_TOP| Requested initial symmetry: MONOCLINIC_GAMMA_AB<br> CELL_TOP| Numerically orthorhombic: NO<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> So if you notices the magnitudes are the same but vector a, and b are in a different basis. <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> Is there a way to avoid this ? <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> best<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> Andres Ortega<o:p></o:p></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> <o:p></o:p></p> </div> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:107.4pt"> -- <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 <span class="MsoHyperlink">cp2k+uns...@googlegroups.com</span>.<br> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/d1809a50-7ad4-41a3-abe9-d10c4e3e8d2dn%40googlegroups.com?utm_medium=email&utm_source=footer" target="_blank"> https://groups.google.com/d/msgid/cp2k/d1809a50-7ad4-41a3-abe9-d10c4e3e8d2dn%40googlegroups.com</a>.<o:p></o:p></p> </div> </div> </blockquote> </div> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> -- <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 <span class="MsoHyperlink">cp2k+uns...@googlegroups.com</span>.<o:p></o:p></p> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:71.4pt"> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/dee9e13a-1c47-4128-bff2-17ea252ac5d9n%40googlegroups.com?utm_medium=email&utm_source=footer" target="_blank"> https://groups.google.com/d/msgid/cp2k/dee9e13a-1c47-4128-bff2-17ea252ac5d9n%40googlegroups.com</a>.<o:p></o:p></p> </div> </div> </blockquote> </div> <p class="MsoNormal" style="margin-left:35.4pt">-- <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/31e61f34-1b3c-4ac6-b3f6-282c1f6fca3an%40googlegroups.com?utm_medium=email&utm_source=footer"> https://groups.google.com/d/msgid/cp2k/31e61f34-1b3c-4ac6-b3f6-282c1f6fca3an%40googlegroups.com</a>.<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/ZRAP278MB0827021B4F9D3A2067A77D78F4679%40ZRAP278MB0827.CHEP278.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/ZRAP278MB0827021B4F9D3A2067A77D78F4679%40ZRAP278MB0827.CHEP278.PROD.OUTLOOK.COM</a>.<br />