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    from the electronic point of view, all isotopes are the same.<br>
    what is different for different isotopes is their mass, which enters
    in the vibrational contribution to the free energy.<br>
    <br>
    stefano<br>
    <br>
    On 01/16/2012 06:08 AM, Mahdi Faghih nasiri wrote:
    <blockquote
      cite="mid:1326690512.40276.YahooMailNeo@web43139.mail.sp1.yahoo.com"
      type="cite">
      <pre wrap="">Dear all,
How can we distinguish between the isotopes of an elementin pwscf?
 
Mahdi Faghih nasiri
MSC,
Guilan University,
Rasht, Iran.
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