Hi,<br><br>   I was wondering SAPT implementation in MolPro can handle frozen core approximation/ECP as presented in the article:<br><br clear="all"><span class="ti"><span title="The Journal of chemical physics."><a href="javascript:AL_get(this,%20'jour',%20'J%20Chem%20Phys.');">J Chem Phys.</a></span> 2007 Oct 28;127(16):164103<br>
<br>    Thanks.<br><br><br></span>-- <br>Regards,<br>Neeraj.<br>