<meta http-equiv="Content-Type" content="text/html; charset=GB18030"><div>Dear All,</div><div><br></div><div>I notice that example09 shows how to use pw.x and ph.x to calculate dynamic polarizability of methane molecule. </div><div><br></div><div><div>&inputph</div><div> tr2_ph=1.0d-14,</div><div> prefix='ch4',</div><div> epsil=.true.,</div><div> trans=.false.,</div><div> fpol=.true.,</div><div> amass(1)=12.0107,</div><div> amass(2)=1.00794,</div><div> outdir='$TMP_DIR/',</div><div> fildyn='ch4.dynG',</div><div> /</div><div>0.0 0.0 0.0</div><div><br></div><div>FREQUENCIES</div><div> 2</div><div> 0.0d0</div><div> 1.5d0</div></div><div><br></div><div>I am eager to know whether I can use the similar approach to calculate Polarizability of a water molecule adsorbed on a metal surface. In this curcirmstance, is my choice of adding "nat_todo" in the input file working ?</div><div><br></div><div>Sincerely</div><div><hr align="left" style="margin: 0 0 10px 0;border: 0;border-bottom:1px solid #E4E5E6;height:0;line-height:0;font-size:0;padding: 20px 0 0 0;width: 50px;"><div style="font-size:14px;font-family:Verdana;color:#000;"><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Dr. Jibiao Li, </b></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Department of Material Science and Engineering</b></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Yangtze Normal University</b></font></i></div><div><i><font face="Times New Roman"><font size="2"><font color="#0000ff"><b><span style="text-align: left; text-transform: none; line-height: 21px; text-indent: 0px; letter-spacing: normal; font-variant: normal; text-decoration: none; word-spacing: 0px; display: inline !important; white-space: normal; orphans: 2; float: none; -webkit-text-stroke-width: 0px; background-color: transparent;">Juxian Dadao 16#,</span> Fuling, Chongqing, China</b></font></font></font></i></div><div><i><font color="#0000ff" face="Times New Roman" size="2"><b>Email: jibiaoli@yznu.edu.cn, jibiaoli@foxmail.com, jibiao.li@hotmail.com</b></font></i></div>
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