<div dir="auto">My observation is that BVS numbers are not an absolute metric, so I would not be concerned with a change of 0.1-0.2 between structures or from the nominal values (e.g. 1.0 for halides).<div dir="auto"><br></div><div dir="auto">I find them most useful to screen initial structures, or CIF files. If you were to find, for instance, an oxygen atom with a BVS of 1.0, fluorine with 2.0 or sodium with 2.0 then it is 99% certain that something is very wrong.<br><br><div data-smartmail="gmail_signature" dir="auto">_____<br>Professor Laurence Marks<br>"Research is to see what everybody else has seen, and to think what nobody else has thought", Albert Szent-Györgyi<br><a href="http://www.numis.northwestern.edu">www.numis.northwestern.edu</a></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 24, 2021, 01:48 Anupriya Nyayban <<a href="mailto:mamaniphy@gmail.com">mamaniphy@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"><div>Dear Prof. Marks,</div><div><br></div><div>Thank you for the suggestion!! It's a halide system. I have observed that BVS values of atoms in the optimized ABX3 and AB0.5C0.5X3 systems and found them to be almost the same. I just querulous about the range of the "reasonable tolerance" for BVS values. <br></div><br>-- <br><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div>With regards</div><div>Anupriya Nyayban</div><div>Ph.D. Scholar</div><div>Department of Physics</div><div>NIT Silchar<br></div></div></div></div>
_______________________________________________<br>
Wien mailing list<br>
<a href="mailto:Wien@zeus.theochem.tuwien.ac.at" target="_blank" rel="noreferrer">Wien@zeus.theochem.tuwien.ac.at</a><br>
<a href="https://urldefense.com/v3/__http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien__;!!Dq0X2DkFhyF93HkjWTBQKhk!ChoUkoEn4m_IZPk1SxeDw8nDd3i9TO78wsbrFk3-kzDHCxLp06hU2_U0OryINjJV3gJ0LA$" rel="noreferrer noreferrer" target="_blank">https://urldefense.com/v3/__http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien__;!!Dq0X2DkFhyF93HkjWTBQKhk!ChoUkoEn4m_IZPk1SxeDw8nDd3i9TO78wsbrFk3-kzDHCxLp06hU2_U0OryINjJV3gJ0LA$</a> <br>
SEARCH the MAILING-LIST at: <a href="https://urldefense.com/v3/__http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!ChoUkoEn4m_IZPk1SxeDw8nDd3i9TO78wsbrFk3-kzDHCxLp06hU2_U0OryINjKv-R8CSA$" rel="noreferrer noreferrer" target="_blank">https://urldefense.com/v3/__http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!ChoUkoEn4m_IZPk1SxeDw8nDd3i9TO78wsbrFk3-kzDHCxLp06hU2_U0OryINjKv-R8CSA$</a> <br>
</blockquote></div>