<div dir="ltr"><div dir="ltr">On Sat, Aug 21, 2021 at 5:11 PM Eleftheria Gkogkosi <<a href="mailto:elefthe@mail.ntua.gr">elefthe@mail.ntua.gr</a>> wrote:</div><div dir="ltr"><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">1) What does the unknown_variable in the 2nd row stand for? Could it be <br>
energy? It does not coincide with any of the energy terms in the output <br>
files<br></blockquote><div><br></div><div>I think it is the energy, in atomic (Ry) units, not in eV<br></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
2) What is the meaning of the gradients? </blockquote><div><br></div><div>gradients of the potential energy surface (i.e. forces), plus maybe the forces of the "springs"?</div><div><br></div><div>Paolo</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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Quote<br>
ENERGIES, POSITIONS AND GRADIENTS<br>
Image: image_no<br>
unknown_variable<br>
atom1_x_coordinate atom1_y_coordinate atom1_z_coordinate atom1_dx <br>
atom1_dy atom1_dz<br>
.<br>
.<br>
.<br>
atomn_x_coordinate atomn_y_coordinate atomn_z_coordinate atomn_dx <br>
atomn_dy atomn_dz<br>
Unquote<br>
<br>
Thank you very much for your attention!<br>
<br>
-- <br>
Eleftheria Gkogkosi<br>
<br>
Applied Mathematics & Physics Dept.<br>
National Technical University of Athens<br>
<a href="http://users.ntua.gr/elefthe" rel="noreferrer" target="_blank">http://users.ntua.gr/elefthe</a><br>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>Univ. Udine, via delle Scienze 206, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br></div></div></div></div></div></div>