CCL:G: Transition state calculation



Dear Sir,
This problem is due to error in termination the final steps of optimization. There are two solutions for your problem:
1- Take the xyz coordinate from the standard orientation from output file then put it in molecular specification then run your calculation.
Or
2- Another way, restart your calculation from check point file and add these keywords: GDIIS, NOEIGEN, XQC.
My regards

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Morad M. El-Hendawy,
IRELAND
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--- On Sat, 9/5/09, veronica ferraresi veroferraresi[]gmail.com <owner-chemistry/./ccl.net> wrote:

From: veronica ferraresi veroferraresi[]gmail.com <owner-chemistry/./ccl.net>
Subject: CCL:G: Transition state calculation
To: "El-Hendawy, Morad Metwally " <m80elhendawy/./yahoo.com>
Date: Saturday, September 5, 2009, 12:35 AM


Sent to CCL by: veronica ferraresi [veroferraresi++gmail.com]
It might be that you need to increase the SCF cycles
SCF(maxcyc=1000)
Verónica.

2009/9/4 Henry Martinez hmartine]_[gmail.com <owner-chemistry#%#ccl.net>:
>
> Sent to CCL by: "Henry  Martinez" [hmartine**gmail.com]
> I am trying to calculate what seems to be a very simple Transition state calculation, but I always get the same error, can anybody tell me a good way to calculate transition states in general.
> Thanks
>
> this is what I a doing
> # opt=(calcall,ts) freq geom=connectivity
>
> This is what I always get
>
>  Error termination request processed by link 9999.
>  Error termination via Lnk1e in c:\program files\g03w\l9999.exe at Sun Aug 23 18:38:45 2009.
>
>
> thanks a lot
>
>
>
> -= This is automatically added to each message by the mailing script =->
>
>



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