transition state search
- From: "Dr. Heinz Schiffer" <schiffer : at :
h1tw0036.hoechst.com>
- Organization: Hoechst Research & Technology
- Subject: transition state search
- Date: Mon, 13 Oct 1997 15:52:16 +0200
Hi netters,
10 days ago a posted the following question to list :
> Hi netters,
> from the answers I got to my previous question concerning a program
> to perform transition state searches I learned, that it was not very
> precise. The original question was :
> > I am looking for a free software package to perform transition
> > state searches on molecular potential energy surfaces (computed
> > on the fly !).
> But I am really looking for such a program independent
> of an ab initio or semi-empirical package. I.e. I am looking for
> a stand-alone program which just reads energies, gradients, and
> (hopefully not) hessians, computed by any semi-empirical, force-field,
> or ab initio program, and then perform the search. And even better
> would be, if such a program would have implemented several different
> methods, like the one by Schlegel, Bofill, Quapp, Zerner, Baker,
> Ruedenberg, Carter, and many, many others. If anyone know such a program
> (for free), please mail me. I would greatly appreciate any help.
Because some people ask for a summary, here it is. As expected,
it seams that there is no such program on the market.
---------------------------------------------
> From:
> Gustavo de Miranda Seabra <seabra : at : NPD.UFPE.BR>
> Hi Dr. Heinz,
> I would like to thank you for your help. It really helped me.
> About your question, I think the GAMESS package has the feature
> you´re looking for. It´s free, and you can find it at:
>
> GAMESS Home Page:
> http://www.msg.ameslab.gov/GAMESS/GAMESS.html
-----------------------------------------------------------------
> From:
> Ioan SILAGHI-DUMITRESCU <isi : at : chem.ubbcluj.ro>
> Heinz,
> Try Mopac6 from the ccl archive. Ioan
------------------------------------------------------------------
> From:
> "Peter Hilfenhaus" <philfen : at :
dabulls.chem.wisc.edu>
> Dear Heinz,
>
> There are some MM packages around but these seem to work just for small
organic
> systems (often Diels Alder).
> I tried the transition state search routine iin UFF2 (from A.K. Rappe,
Colorado
> State University; you might get it for free, but I am not sure) for
oxidative
> addition reactions at transition metal complexes and the results were just
> poor.
> Another possibility could be Frank Jensen (MM2 force field; JACS 1992, 114,
> 1596).
>
> Now I am doing this business in Gaussian. Pretty expensive but it works.
>
> I would greatly appreciate if you could mail me a summary (I am still
looking
> for something faster),
>
> Ciao and Tschuessie,
>
> Peter
-----------------------------------------------------------------------
> From:
> "Stavrev, Krassimir" <stavrev : at : hyper.com>
> Heinz: You may with to try the evaluation copy of HyperChem 5.02; it has
> TS search in it - www.hyper.com has the directions to the download site.
>
> Regards,
> Krassimir
-----------------------------------------------------------------------
> From:
> Frank Jensen <frj : at : gamma.dou.dk>
> Heinz,
> I doubt such a stand along package exist, or if it does, that
> the authors wnat to give it away for free.
> The Gamess-US program has some of the different TS methods you
> mentioned included, and since the source code comes for free, you can
> at least take a look at that.
> Frank
------------------------------------------------------------------------
> From:
> TOPPER ROBERT <topper : at : cooper.edu>
> Hi,
> With respect to your CCL question, POLYRATE (by Don Truhlar
> and his coworkers at Minnesota) should fill your bill.
>
> best,
> robert topper
------------------------------------------------------------------------
> From:
> noertema : at : theochem.tu-muenchen.de (Folke Noertemann)
> Hello Heinz,
> not that I could contribute something really helpful,but as you know I am
> currently trying to write such a standalone package by myself (I can
> spend now 1day/week in average to do this!) and thus I am interested to
> find out if this kind of package already exists ... did you get any
responses?
>
> Greetings from Munich,
> Folke
------------------------------------------------------------------------
> From:
> Kim Bolton <kim : at : traj.chem.wayne.edu>
> Dear Heinz,
>
> I am very interested in the responses that you get to this question.
> We are also looking for the same code.
>
> Kim. kim : at : traj.chem.wayne.edu
------------------------------------------------------------------------
Dr. Heinz Schiffer Phone ++49-69-305-2330
Hoechst Research & Technology Fax ++49-69-305-81162
Scientific Computing, G864 Email schiffer : at : h1tw0036.hoechst.com
65926 Frankfurt am Main Schiffer : at : CRT.hoechst.com