<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Please also check if the Wannier localization has ALWAYS converged. <div class="">In that respect the JACOBI approach is the most robust. </div><div class=""><br class=""></div><div class="">Best, </div><div class="">Thomas Kühne<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">Am 23.02.2022 um 15:25 schrieb Sam Broderick <<a href="mailto:waveman68@gmail.com" class="">waveman68@gmail.com</a>>:</div><br class="Apple-interchange-newline"><div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">See fawzi's post on Oct 20, 2010, 1:38:58 PM: Problems of IR and dipole calculation</span><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">He recommends looking at the Wannier Center movement and consider centering.<br class=""><br class=""></div><div class="gmail_quote" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div dir="auto" class="gmail_attr">On Wednesday, February 23, 2022 at 2:14:52 PM UTC+1 Sam Broderick wrote:<br class=""></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;">Dear IR-Colleague<div class=""><br class=""></div><div class="">6'000 or 60'000? If it is 6'000, that would be the reason.</div><div class=""><br class=""></div><div class="">Otherwise, what were your TRAVIS inputs?</div><div class=""><br class=""></div><div class="">Rgds</div><div class="">Sam<br class=""><br class=""></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Wednesday, June 30, 2021 at 1:31:29 PM UTC+2<span class="Apple-converted-space"> </span><a href="" data-email-masked="" rel="nofollow" class="">zsh1...@gmail.com</a><span class="Apple-converted-space"> </span>wrote:<br class=""></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><p class="">Hello everyone,</p><p class=""> I am trying to do vibrational analysis for gas phase system. I am following the tutorial "Calculating Vibrational Spectra from Molecular Dynamics". Initially i have done massive equilibration of a single methanol system for 6000 steps. After that i use the following example CP2k input file to simulating a trajectory with wannier centers for 60000 steps. Then, I calculated the IR spectra with<span class="Apple-converted-space"> </span><a href="http://methanol_wannier.xyz/" rel="nofollow" target="_blank" data-saferedirecturl="https://www.google.com/url?hl=en&q=http://methanol_wannier.xyz&source=gmail&ust=1645712617969000&usg=AFQjCNFH7TXLAusI9HY4cBjSFS8bWdg1rA" class="">methanol_wannier.xyz</a><span class="Apple-converted-space"> </span>file using Travis software. Unfortunately, I don’t get a good IR spectrum because of it doesn’t show peaks at 200, 1000, 1500 and 3700 cm-1 and it has very noise. Would you please guide me why I don’t get a good IR spectrum?</p><p class=""><br class=""></p><p class="">Here i am attaching my IR spectrum and the input files of massive equilibration and the wannier center for a single methanol.</p><p class="">Please help me on this.</p><p class="">Thanks.</p><p class=""><img alt="IR.png" width="534px" height="322px" src="https://groups.google.com/group/cp2k/attach/9563cce89867/IR.png?part=0.1&view=1" class=""><br class=""></p></blockquote></div></blockquote></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="webkit-block-placeholder"></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; 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Kühne</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Dynamics of Condensed Matter</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Chair of Theoretical Chemistry</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">University of Paderborn</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Warburger Str. 100</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">D-33098 Paderborn</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Germany</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class=""><a href="mailto:thomas.kuehne@upb.de" class="">thomas.kuehne@upb.de</a></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">+49/(0)5251/60-5726</div></div></div></div></div>
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