<div dir="ltr">
<h1 class="gmail-western">Can anyone suggest how to calculate binding
energy of my crystal NaBiO<sub>3 </sub>by using Quantum Espresso?</h1>
<p style="margin-bottom:0cm">I have successfully completed the SCF
of NaBiO<sub>3</sub> using GGA-PBE. I have checked the SCF file and
found the energy value : -333.03842 Ry/unit cell.</p>
<p style="margin-bottom:0cm">I have performed total energy
calculation of isolated atoms Na, Bi and O and found energy value as
-192.232097 Ry, -141.20403847 Ry, -126.84166 Ry respectively.</p>
<p style="margin-bottom:0cm">Now, please guide me how to calculate
the binding energy of NaBiO<sub>3</sub>.</p>
<p style="margin-bottom:0cm">Also I would like to know what should
be the binding energy value for a crystal to be stable? It should be positive or negative value?<br></p>
<p style="margin-bottom:0cm">Please suggests formula to calculate
binding energy for this perovskite and suggest me some link or any
related papers.</p>
<p style="margin-bottom:0cm">Your help will be appreciated</p><p style="margin-bottom:0cm">Thanks in advance</p><p style="margin-bottom:0cm">Sudha Priyanka<br></p>
<p style="margin-bottom:0cm"><br>
</p>
</div>