<div dir="ltr">Hi Micheal: <br><br>Yes it is a system with an excess electron. <br>Thanks for the help. <br><br>Bin<br><br>On Saturday, June 21, 2014 4:11:28 PM UTC+1, Michael wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">Hi,
<br>
<br>On Sat, Jun 21, 2014 at 06:54:14AM -0700, Bin Gu wrote:
<br>> I am testing the RI-MP2 of cp2k. The single point run is ok.
<br>>
<br>> *But for the optimization of a small molecule, the run stopped with: *
<br>> ------------------------------<wbr>---------------
<br>> MP2 section
<br>> -----------
<br>>
<br>> Used number of processes per
<br>> group: 2
<br>> Maximum allowed memory usage per MPI processes: 1000.00 MB
<br>>
<br>> *****************************<wbr>******************************<wbr>*********
<br>>
<br>> **** 14:17:30 ERRORL2 in mp2:mp2_main processor 0 :: err=-300 No *** ***
<br>> forces/gradients for LSD.mp2.F line 231
<br>> ****
<br>> *****************************<wbr>******************************<wbr>*********
<br>> ------------------------------<wbr>--------------------
<br>>
<br>> Is there any clues about this problem? Thanks for any reply.
<br>
<br>Well, the error message should be clue enough: MP2 gradients are only
<br>implemented for the closed shell case so far, your input has
<br>"MULTIPLICITY 2".
<br>
<br>
<br>Michael
<br></blockquote></div>