<div dir="auto"><div>I have covered ICOHP and ICOOP in my recent work (1) for a hydrocarbon molecule. <div dir="auto"><br></div><div dir="auto">I also got the same value. I have verified it using C2H6, C2H4 and C2H2. So it may be a qualitative information. </div><div dir="auto"><br></div><div dir="auto">(1). <a href="https://www.sciencedirect.com/science/article/abs/pii/S0360319922001008">https://www.sciencedirect.com/science/article/abs/pii/S0360319922001008</a></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">Regards </div><div dir="auto">Bhamu </div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Feb 5, 2022, 4:13 AM Максим Арсентьев <<a href="mailto:ars21031960@gmail.com">ars21031960@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Dear QE users,<div><br></div><div>I'm trying to calculate the bond strength in diamond using quantum espresso and lobster code. I got 9.0 eV for integrated ICOHP for C-C bond in agreement with the results from other papers like this one <a href="https://www.sciencedirect.com/science/article/abs/pii/S0008622319302945" target="_blank" rel="noreferrer">https://www.sciencedirect.com/science/article/abs/pii/S0008622319302945</a> .</div><div>Is it possible to exactly calculate the bond strength by ICOHP, or ICOHP is only a qualitative assessment. Because 9.0 eV is too high maybe (it should be 3.65eV).<br clear="all"><div><br></div>-- <br><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Best wishes,</div><div>Maxim Arsent'ev, Ph.D. (Chemistry)</div><div>Laboratory of research of nanostructures</div><div>Institute of Silicate Chemistry of RAS</div></div></div></div></div></div></div>
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