<div dir="ltr">Thank you Pieper and Luania for the deep explanations<div><br></div><div>Now the picture is very clear to me. Before i didn't know how does a dft code work and somestime I have ambiguities between what magnetudes can we manage in a dft code (wien2k) and those got from results of calculation.</div><div><br></div><div>Thank you again Luania for the articles</div><div><br></div><div>Best regards</div></div><div class="gmail_extra"><br><div class="gmail_quote">2017-08-24 1:23 GMT+01:00 Abderrahmane Reggad <span dir="ltr"><<a href="mailto:jazairdz@gmail.com" target="_blank">jazairdz@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thank you for all for the rich discussion<div><br></div><div>If I introduce the Ni atom and I change the Z number to 27 or 26 it still nickel because the atom is ont only Z and I change Z the number of neutrons and protons still inchanged.As I mentionned when I have changed Z I have observed that the total energy changes.</div><div><br></div><div>An other question: We suppose that the ionic state of NiO is a result from the electron density , can we force this ionic state to be Ni+3S-3 and it's yes how?</div><div><br></div><div>Best regards</div><div><br></div><div><br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">2017-08-24 0:43 GMT+01:00 Abderrahmane Reggad <span dir="ltr"><<a href="mailto:jazairdz@gmail.com" target="_blank">jazairdz@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello<div><br></div><div>The reason for my question is that I don't how does a DFT code work and I want to know if the ionic state is a result or an assumption.</div><div><br></div><div>Thank you for contribution to clarify the picture.</div><div><br></div><div>Best regards</div></div>
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