<div dir="ltr"><div dir="ltr"><div>Good morning Sara.</div><div>Several months ago there was a paper devoted to <br></div><div>electronic and structural properties of different hemes <br></div><div>to explain the color of blood</div><div>
<span style="font-size:10pt;font-family:"Times New Roman",serif" lang="EN-US">“Mapping blood
biochemistry by Raman Spectroscopy at the cellular level.” <span>Chem. Sci. 2022,
13, 133.</span></span>
</div><div>This may be relevant.</div><div>Victor<br></div><div><br> </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Sep 13, 2022 at 5:00 PM Sara Llap <<a href="mailto:sallaprat10@gmail.com">sallaprat10@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear all, <div><br></div><div>I am having problems on a geometry optimisation of a heme group with Fe2+ using PBE in CP2K. My calculations run and the total energy is decreasing. However, the job has been running for almost a month and it doesn't seem to converge. </div><div><br></div><div>I am not an expert on CP2K nor on transition metals. I would really appreciate it if you could help me sort this out. I have attached the restart file and the output for clarity. </div><div><br></div><div>Thanks a lot, </div><div><br></div><div><br></div><div>Sara</div>
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