Maybe 14722 GPa/(Ry/au.^3). You can translate Ry and au to J and meter yourself.<br><br>
<div class="gmail_quote">2009/4/11 Mansoureh Pashangpour <span dir="ltr"><<a href="mailto:mansourehp@gmail.com">mansourehp@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div>Dear all</div>
<div>I"m calculating bulk modulus for a system with PWscf. As you know Etot unit is Ry and V unit is a,u.^3. </div>
<div>how can I find (K0 and K'0) bulk modulus in Gpa unit.</div>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Y. C. Cheng<br>Department of Physics<br>Nanjing University<br>Nanjing 210093<br>P. R. China<br>Tel: 86-25-83592907<br>Email: <a href="mailto:yccheng.nju@gmail.com">yccheng.nju@gmail.com</a><br>