From chemistry-request@ccl.net Thu Dec  2 02:31:51 2004
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Date: Thu, 02 Dec 2004 08:51:08 +0100
From: "Joerg K. Wegner" <wegnerj..at..informatik.uni-tuebingen.de>
Organization: Department of Computer Architecture
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To: chemistry..at..ccl.net
Cc: Renxiao Wang <renxiao..at..med.umich.edu>
Subject: Re: CCL:Software for pattern recognition in QSAR studies?
References: <s1ab393b.062..at..med-gwia-02a.med.umich.edu> <200412010935.01453.e.willighagen..at..science.ru.nl>
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Hi all,

>>I am looking for a program that can apply standard pattern recognition
>>techniques. Basically, I want to study a number of samples, each of
>>which can be characterized by some properties. I would like to classify
>>these samples into several groups based on these properties, and then
>>derive a QSAR model for each group.
You can e.g. use JOELib for the descriptor calculation (up to >3000, 
depends on the used parameters). Most popular ones: RDF, BCUT, ...

For the data mining step there are programming interfaces to Weka and 
Matlab. If you don't want to use the interfaces you can simply export a 
text file with descriptors and use your own tools.

Kind regards, Joerg
-- 
Dipl. Chem. Joerg K. Wegner
Center of Bioinformatics Tuebingen (ZBIT)
Department of Computer Architecture
Univ. Tuebingen, Sand 1, D-72076 Tuebingen, Germany
Phone: (+49/0) 7071 29 78970
Fax: (+49/0) 7071 29 5091
E-Mail: mailto:wegnerj..at..informatik.uni-tuebingen.de
WWW:    http://www-ra.informatik.uni-tuebingen.de
--
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Never mistake action for meaningful action.
                                (Hugo Kubinyi,2004)


From chemistry-request@ccl.net Wed Dec  1 18:26:07 2004
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To: mdcooper <mdcooper{at}uvic.ca>, chemistry{at}ccl.net
From: "James J. P. Stewart" <jstewart{at}us.fujitsu.com>
Subject: Re: CCL:Mopac and Open Shells.
Cc: mdcooper{at}uvic.ca
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The copy of MOPAC you're using must be quite old.  Using the current MOPAC, 
the OPEN(2,3) PM3 calculation gives:

           FINAL HEAT OF FORMATION =        170.89000 KCAL 
=        715.00376 KJ
           COSMO AREA      =         50.27 SQUARE ANGSTROMS
           COSMO VOLUME    =         33.51 CUBIC ANGSTROMS


           TOTAL ENERGY            =       -111.22992 EV  STATE:     1 
TRIPLET P(g)
           ELECTRONIC ENERGY       =       -111.22992 EV  POINT GROUP:     R3
           CORE-CORE REPULSION     =          0.00000 EV

           IONIZATION POTENTIAL    =          2.95690
           NO. OF FILLED LEVELS    =         1
           AND NO. OF OPEN LEVELS  =         3
           MOLECULAR WEIGHT        =     12.011

Jimmy

At 05:31 PM 12/1/2004, mdcooper wrote:
>Hi,
>
>I am trying to find the appropriate ionization potential for a single atom. I
>am using both C.I. and Open to declare an open shell and both of these
>commands give the expected HoF. What does happen, though, is that with C.I.
>the charge become 1, with OPEN the charge becomes -1 and with nothing the
>charge is the expected 0. Can someone help me figure out what is happening?
>Thanks,
>
>Matthew
>
>  PM3 C.I.=(3,0)
>
>           HEAT OF FORMATION       =       170.890000 KCAL
>           ELECTRONIC ENERGY       =      -111.229917 EV
>           CORE-CORE REPULSION     =          .000000 EV
>           DIPOLE                  =          .00000 DEBYE
>           NO. OF FILLED LEVELS    =         1
>           AND NO. OF OPEN LEVELS  =         1
>           CONFIGURATION INTERACTION WAS USED
>           CHARGE ON SYSTEM        =         1
>           IONIZATION POTENTIAL    =        12.629698 EV
>
>PM3 OPEN(2,3)
>            HEAT OF FORMATION       =       170.890000 KCAL
>           ELECTRONIC ENERGY       =      -111.229917 EV
>           CORE-CORE REPULSION     =          .000000 EV
>           DIPOLE                  =          .00000 DEBYE
>           NO. OF FILLED LEVELS    =         1
>           AND NO. OF OPEN LEVELS  =         3
>           CHARGE ON SYSTEM        =        -1
>           IONIZATION POTENTIAL    =         2.956901 EV
>
>PM3
>            HEAT OF FORMATION       =       231.554013 KCAL
>           ELECTRONIC ENERGY       =      -108.599328 EV
>           CORE-CORE REPULSION     =          .000000 EV
>           DIPOLE                  =          .00000 DEBYE
>           NO. OF FILLED LEVELS    =         2
>           IONIZATION POTENTIAL    =         7.231552 EV
>
>
>
>
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                          ( @ @ )
  .-----------------oOOo----(_)----oOOo-------------------------------------.
  | James J. P. Stewart                 |                                   |
  | Stewart Computational Chemistry LLC | E-mail:  jstewart{at}us.fujitsu.com  |
  | 15210 Paddington Circle             |  39/03/15 N, 104/49/29 W          |
  | Colorado Springs CO 80921-2512      |                                   |
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                            \_)    ) /
                                  (_/ 




From chemistry-request@ccl.net Thu Dec  2 02:08:40 2004
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Date: Thu, 02 Dec 2004 08:23:17 +0100
From: Ferenc Csizmadia <fcsiz:at:chemaxon.com>
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To: CHEMISTRY:at:ccl.net
Subject: Re: CCL:smiles to sdf converter
References: <Pine.LNX.4.58.0412011813420.835@Moon>
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Jiri,

Check out MolConverter: http://www.chemaxon.com/marvin/doc/user/molconvert.html
You can generate 2D or even very good quality 3D coordinates to your structures using this tool.

Examples:
Generating 2D SDF:
molconvert sdf -2 input.smiles >output.sdf

Generating 3D SDF:
molconvert sdf -3 input.smiles >output.sdf

To access MolConverter you need to download the Marvin Beans package (http://www.chemaxon.com/products.html#Marvin), which also includes a structure editor and a structure viewer.

MolConverter is free if you don't build it into an application.

Best regards,
Ferenc

>---------- Forwarded message ----------
>Date: Wed, 1 Dec 2004 16:57:00 +0100
>From: Jiri Krechl <jiri.krechl:at:spechem.cz>
>To: CHEMISTRY:at:ccl.net
>Subject: CCL:smiles to sdf converter
>
>I am looking for a smiles to sdf converter able to run on PC/Win. Apparently
>Babel might be the solution but the last version I could found for DOS
>environment (babel16) does not seem to support smiles among otherwise wide
>variety of input/output formats.
>
>Thanks for a hint.
>
>Jiri
>
>e: jiri.krechl:at:spechem.cz
>
>
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From chemistry-request@ccl.net Thu Dec  2 02:26:07 2004
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Subject: INDO calculation in gaussian
Date: Thu, 2 Dec 2004 02:53:45 -0500
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Dear all,

I was trying to do a single point calculation by using INDO in 
gaussian. But it keeps complaining about "specified charge and 
multiplicity are impossible". I checked my input file and molecule, 
there is nothing wrong (charge=0 and multiplicity=1, all electrons are 
paired). When I change INDO to HF method, there is no such error 
message and the calculation works. Why is this wierd problem?

The following is my command line.

INDO:
#INDO IOP(5/33=3)

HF:
#HF/3-21G IOP(5/33=3)

Thanks for the help!

Jeny
 


From chemistry-request@ccl.net Wed Dec  1 19:11:20 2004
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Subject: INDO calculation in Caussian
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Dear all,

I am trying to do single point calculation for a molecule (actually it
includes three small molecules and no bond between them, so the non-bonded
interaction keeps them close). It has no charge and all the electrons are
paired. So I set charge to 0 and multiplicity to 1. The wierd thing is
that when I use HF method, the calculation works, but i I change to INDO,
it complains about that "Specified charge and multiplicity are
impossible". And the following is my command line:

For HF:
#HF/3-21G iop(5/33=3)

For INDO
#INDO iop(5/33=3)

I don't understand why HF work, INDO doesn't. All the input structural
information is the same.

Thanks for the help!

Best,
Jeny


From chemistry-request@ccl.net Wed Dec  1 19:58:27 2004
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Date: Thu, 02 Dec 2004 01:10:00 +0000
From: "Dr. Peter Bladon" <cbas25|at|strath.ac.uk>
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To: Jiri Krechl <jiri.krechl|at|spechem.cz>
Cc: CHEMISTRY|at|ccl.net
Subject: Re: CCL:smiles to sdf converter
References: <005401c4d7be$69a38a20$c964a8c0|at|spechem.cz>
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This is a multi-part message in MIME format.
--------------080004060908040302020205
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The new version (4.9) of INTERCHEM-PC does this
You may get details and download from the website:
http://www.interprobe.co.uk/inter/interprobe.html

The program works under Windows NT4, 98, 2000 and XP

The conversion is done on SMILES strings entered from the
keyboard.  Output is a energy minimized 3D graphic structure
on the screen. You can then store the structure in several
formats including SDF.

There are also batch conversion program for IRIX systems that
gives output in INTERCHEM native format.  This can be batch
converted to SDF using CONVERT.

Cheers
Peter Bladon

Jiri Krechl wrote:

>I am looking for a smiles to sdf converter able to run on PC/Win. Apparently
>Babel might be the solution but the last version I could found for DOS
>environment (babel16) does not seem to support smiles among otherwise wide
>variety of input/output formats.
>
>Thanks for a hint.
>
>Jiri
>
>e: jiri.krechl|at|spechem.cz
>
>
>---
>Outgoing mail is certified Virus Free.
>Zkontrolovano antivirov}m systimem AVG (http://www.grisoft.cz).
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>
>
>
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--------------080004060908040302020205
Content-Type: text/html; charset=windows-1250
Content-Transfer-Encoding: 8bit

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <meta content="text/html;charset=windows-1250"
 http-equiv="Content-Type">
  <title></title>
</head>
<body bgcolor="#ffffff" text="#000000">
<font face="Courier" size="+1">The new version (4.9) of INTERCHEM-PC
does this<br>
You may get details and download from the website:<br>
<a class="moz-txt-link-freetext" href="http://www.interprobe.co.uk/inter/interprobe.html">http://www.interprobe.co.uk/inter/interprobe.html</a><br>
<br>
The program works under Windows NT4, 98, 2000 and XP<br>
<br>
The conversion is done on SMILES strings entered from the<br>
keyboard.  Output is a energy minimized 3D graphic structure <br>
on the screen. You can then store the structure in several <br>
formats including SDF.<br>
<br>
There are also batch conversion program for IRIX systems that<br>
gives output in INTERCHEM native format.  This can be batch<br>
converted to SDF using CONVERT.<br>
<br>
Cheers<br>
Peter Bladon<br>
</font><br>
Jiri Krechl wrote:
<blockquote cite="mid005401c4d7be$69a38a20$c964a8c0|at|spechem.cz"
 type="cite">
  <pre wrap="">I am looking for a smiles to sdf converter able to run on PC/Win. Apparently
Babel might be the solution but the last version I could found for DOS
environment (babel16) does not seem to support smiles among otherwise wide
variety of input/output formats.

Thanks for a hint.

Jiri

e: <a class="moz-txt-link-abbreviated" href="mailto:jiri.krechl|at|spechem.cz">jiri.krechl|at|spechem.cz</a>


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  </pre>
</blockquote>
</body>
</html>

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From chemistry-request@ccl.net Thu Dec  2 01:53:15 2004
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Hi,

The SCF equations are resolved in link 402 when using semi empirical methods. You
thus
have to use the iop 4/33 to print more informations than usual.
To get the Fock matrix in a lower triangular form, just add "iop(4/33=4)" in your
command line.
Please note that this will give you the desired information for each SCF
iteration.

I hope this will help you,

Yohann


jz7/at/duke.edu wrote:

> Dear all,
>
> How should I write the command line to print the Fock matrix using INDO
> method in Gaussian (just a single point calculation)?
>
> Thanks a lot!
>
> -= This is automatically added to each message by the mailing script =-
> To send e-mail to subscribers of CCL put the string CCL: on your Subject: line
> and send your message to:  CHEMISTRY/at/ccl.net
>
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--

               Yohann MOREAU, Doctorant
       Equipe de Chimie et Biochimie Thioriques
               UMR CNRS-UHP 7565 "SRMSC"
          BP 239, F-54506 Vandoeuvre-lhs-Nancy
http://www.lctn.uhp-nancy.fr/Etudiants/Yohann.Moreau.html



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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
Hi,
<p>The SCF equations are resolved in link 402 when using semi empirical
methods. You thus
<br>have to use the iop 4/33 to print more informations than usual.
<br>To get the Fock matrix in a lower triangular form, just add "iop(4/33=4)"
in your command line.
<br>Please note that this will give you the desired information for each
SCF iteration.
<p>I hope this will help you,
<p>Yohann
<br>&nbsp;
<p>jz7/at/duke.edu wrote:
<blockquote TYPE=CITE>Dear all,
<p>How should I write the command line to print the Fock matrix using INDO
<br>method in Gaussian (just a single point calculation)?
<p>Thanks a lot!
<p>-= This is automatically added to each message by the mailing script
=-
<br>To send e-mail to subscribers of CCL put the string CCL: on your Subject:
line
<br>and send your message to:&nbsp; CHEMISTRY/at/ccl.net
<p>Send your subscription/unsubscription requests to: CHEMISTRY-REQUEST/at/ccl.net
<br>HOME Page: <a href="http://www.ccl.net">http://www.ccl.net</a>&nbsp;&nbsp;
| Jobs Page: <a href="http://www.ccl.net/jobs">http://www.ccl.net/jobs</a>
<p>If your mail is bouncing from CCL.NET domain send it to the maintainer:
<br>Jan Labanowski,&nbsp; jlabanow/at/nd.edu (read about it on CCL Home Page)
<br>-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</blockquote>

<pre>--&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Yohann MOREAU, Doctorant&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Equipe de Chimie et Biochimie Th&eacute;oriques&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; UMR CNRS-UHP 7565 "SRMSC"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BP 239, F-54506 Vandoeuvre-l&egrave;s-Nancy&nbsp;&nbsp;
<A HREF="http://www.lctn.uhp-nancy.fr/Etudiants/Yohann.Moreau.html">http://www.lctn.uhp-nancy.fr/Etudiants/Yohann.Moreau.html</A></pre>
&nbsp;</html>

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From chemistry-request@ccl.net Wed Dec  1 20:26:27 2004
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Date: Wed, 1 Dec 2004 17:41:15 -0800 (PST)
From: "S.I.Gorelsky" <gorelsky^at^stanford.edu>
To: Ricardo Oliveira <organicjewellery^at^yahoo.com>
cc: chemistry^at^ccl.net
Subject: Re: CCL:question on TDDFT using Gaussian 03
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those numbers are the largest coefficients in the CI expansion
(for the corresponding one-electron excitations: 22A -> 26A, 20B -> 22B,
etc.)

s.g.

On Wed, 1 Dec 2004, Ricardo Oliveira wrote:

>
> Hello everyone,
>
> I am having a problem with identifying those numbers
> on the right hand side of the transitions.
>
> Below there is an extract from an output file from a
> TDDFT (LSDA) calculation on
> pyridine.***************************
>
>  Excited State   3:   ?Spin  -A'     4.5362 eV  273.32
> nm  f=0.0016
>      22A -> 26A        0.79830
>      20B -> 22B        0.60419
>      21B -> 23B       -0.25908
>
> ***********************
>  The number of the excited state (3) along with its
> energy (4.5362 eV) and corresponding wavelength are
> given above. The letter f represents the oscillator
> strenght.
>
> The question is: what are those other 3 numbers :
>
>  0.79830    0.60419       -0.25908   ??
>
>
> Regards and thanks
>
> _________________________
> Ricardo Oliveira
> University of Sussex
> School of Life Sciences
> Chichester 3R 504
> phone: (44) 1273678419
> email: kau43^at^sussex.ac.uk
> web: http://84.66.141.119/sitePhD/indexl.htm
> Falmer - Brighton
> UK
>
>
>
> __________________________________
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>
>
>
>
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>
>
>
>
>

----------------------------------------------------------------
 Dr S.I. Gorelsky, Department of Chemistry, Stanford University
 Box 155, 333 Campus Drive, Stanford, CA 94305-5080 USA
 Phone: (650) 723-0041. Fax: (650) 723-0852.
----------------------------------------------------------------




From chemistry-request@ccl.net Thu Dec  2 04:21:28 2004
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Subject: CCL: Re: Software for pattern recognition in QSAR studies?
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To: <chemistry$at$ccl.net>
Subj: CCL: Re: Software for pattern recognition in QSAR studies?

Renxiao Wang wrote:
> I am looking for a program that can apply standard pattern recognition
> techniques. Basically, I want to study a number of samples, each of
> which can be characterized by some properties. I would like to classify
> these samples into several groups based on these properties, and then
> derive a QSAR model for each group.
> ...

When all propoerties are non-numerical (e.g. property 1 takes values
A or B or C, property 2 takes value red or green or blue, property 3
takes values: alpha or beta or gamma or delta, etc...), there is
a classification method able to compute the optimal partition,
including the number of classes: very few methods can do this.
Freeware with reference and documentation:
http://petitjeanmichel.free.fr/itoweb.petitjean.freeware.html#POP

Michel Petitjean,                     Email: petitjean$at$itodys.jussieu.fr
ITODYS (CNRS, UMR 7086)                      ptitjean$at$ccr.jussieu.fr
1 rue Guy de la Brosse                Phone: +33 (0)1 44 27 48 57
75005 Paris, France.                  FAX  : +33 (0)1 44 27 68 14
http://petitjeanmichel.free.fr/itoweb.petitjean.html

From chemistry-request@ccl.net Thu Dec  2 06:04:15 2004
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	Dear Sergei

S.I.Gorelsky wrote:
> those numbers are the largest coefficients in the CI expansion
> (for the corresponding one-electron excitations: 22A -> 26A, 20B -> 22B,
> etc.)
> 

		What does "CI expansion" mean within the context of time-dependent 
density functional theory?
		
					Reinaldo


From chemistry-request@ccl.net Thu Dec  2 06:17:57 2004
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From: =?iso-8859-1?Q?Holger_Clau=DFen?= <claussen~at~biosolveit.de>
To: <dirk.classen-houben~at~biovertis.com>, <CHEMISTRY~at~ccl.net>
Cc: "'Holger Claussen'" <hclaussen~at~biosolveit.de>
Subject: CCL:RE: FlexX und SGE
Date: Thu, 2 Dec 2004 12:32:21 +0100
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Hello Dirk,

we recognized that it is actually a problem to combine 
FlexX and batch queuing systems (BQS) like for example 
SGE, because FlexX uses PVM for parallel computing. 
PVM set s up a separate control flow that conflicts 
with any BQS.

Thus we developed a small tool called Distributor that 
allows for setting up parallel FlexX jobs without PVM 
that employs a BQS, e.g. SEG.

The Distributor is a generic tool that can be applied 
to anycommand line based tool like for example FlexX. 
The only requirement is that the tool takes as input 
an ASCII file that contains the input for several runs 
of the tool and that this file can be split by rules 
(e.g. multi-mol2 ligand files for FlexX-Dockings).

The Distributor splits the input files and creates for
each batch a separate working environment and calls a 
job in the BQS to process the batch. The BQS is than 
responsible for the job scheduling. So there is only 
one control instance.
After the jobs are done, the Distributor gathers the 
ASCII output of all jobs and cats this to one output 
file automatically (e.g. the predicted scores of FlexX).

In addition, the Distributor can do some basic job 
statistic and report this optionally by email.
If the called tool (e.g. FlexX) is able to call a
callback script after each run, the distributor
is also able to restart failed jobs with the item 
following the failed one.

The split functions can be defined by the user.
Split functions for mol2, sdf, and for splitting 
ASCII files by pattern or by counting are pre defined. 
The Distributor works with several BQS. 
It is tested with SEG and OpenPBS.

If this sound interesting to you I would be happy
to send you more details on the Dirtsibutor.

Regards,
Holger


-- 
BioSolveIT GmbH - An der Ziegelei 75 - 53757 St.Augustin - Germany 
Dr. Holger Clau_en                          claussen~at~biosolveit.de 
Phone: +49-2241-2525-0 / Fax: -525               www.biosolveit.de


> -----Original Message-----
> From: Computational Chemistry List [mailto:chemistry-request~at~ccl.net] On
> Behalf Of Dirk Cla_en-Houben
> Sent: Monday, November 29, 2004 1:43 PM
> To: CCL
> Subject: CCL:FlexX und SGE
> 
> 
> Dear CCL readers,
> 
> has anybody some experience running FlexX from BiosolvIT and Tripos on a
> queuing system with the SGE (Sun Grid Engine)? Every suggestion or
> example is welkome.
> 
> Thanks in advance for your help,
> Regards,
> Dirk.
> 
> Dirk Classen-Houben
> BV Biotechnologies GmbH
> (Biovertis - information-driven drug design AG)
> Campus Vienna Biocenter 6
> 1030 Vienna, Austria
> 
> Phone +43-1-7989303-110
> Fax +43-1-7989303-400
> Email dirk.classen-houben@biovertis.c





From chemistry-request@ccl.net Thu Dec  2 05:19:04 2004
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From: "E.L. Willighagen" <e.willighagen{at}science.ru.nl>
Reply-To: e.willighagen{at}science.ru.nl
To: chemistry{at}ccl.net
Subject: Re: CCL:Software for pattern recognition in QSAR studies?
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Hash: SHA1

On Thursday 02 December 2004 09:55, you wrote:
> To: <chemistry{at}ccl.net>
> Subj: CCL: Re: Software for pattern recognition in QSAR studies?
>
> Renxiao Wang wrote:
> > I am looking for a program that can apply standard pattern recognition
> > techniques. Basically, I want to study a number of samples, each of
> > which can be characterized by some properties. I would like to classify
> > these samples into several groups based on these properties, and then
> > derive a QSAR model for each group.
> > ...
>
> When all propoerties are non-numerical (e.g. property 1 takes values
> A or B or C, property 2 takes value red or green or blue, property 3
> takes values: alpha or beta or gamma or delta, etc...), there is
> a classification method able to compute the optimal partition,
> including the number of classes: very few methods can do this.
> Freeware with reference and documentation:
> http://petitjeanmichel.free.fr/itoweb.petitjean.freeware.html#POP

Classification and Regression Trees (CART) can be do that... there are two or 
three packages (one is tree) for R available. See http://cran.r-project.org/.

Egon

- -- 
e.willighagen{at}science.ru.nl
PhD-student on Molecular Representation in Chemometrics
Radboud University Nijmegen
http://www.cac.science.ru.nl/people/egonw/
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From: Bhabani Shankar Mallik phd chm <mbhabani{at}iitk.ac.in>
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Please someone can tell me, which software will be best for
drawing 3d molecular structure(may not for visualizing).
i.e. I want to draw a water trimer with hydrogen-bonds
shown (for classroom teaching).So I need a clear 3 Dimensional
picture of this system.

Any help will be greatly appreciated.

Bhabani
==========================================================================
Bhabani Shankar Mallik
Theoretical Chemistry Group
Dept of Chemistry, IIT Kanpur, U.P-208016, India
--------------------------------------------------------------------------


From chemistry-request@ccl.net Thu Dec  2 13:55:53 2004
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Date: Thu, 2 Dec 2004 11:10:44 -0800 (PST)
From: "S.I.Gorelsky" <gorelsky<<at>>stanford.edu>
To: Reinaldo Pis Diez <pis_diez<<at>>yahoo.com.ar>
cc: Lista de la CCL <chemistry<<at>>ccl.net>
Subject: Re: CCL:question on TDDFT using Gaussian 03
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I think Mark Casida described it very well in his Chapter on TD-DFT.
Please check pages 176-177 of

M. E. Casida, in "Recent Advances in Density Functional Methods" Part I,
D. P. Chong (Ed.), World Scientific, Singapore, 1995.

With regards,

S.G.

> 	Dear Sergei
>
> S.I.Gorelsky wrote:
> > those numbers are the largest coefficients in the CI expansion
> > (for the corresponding one-electron excitations: 22A -> 26A, 20B -> 22B,
> > etc.)
> >
>
> 		What does "CI expansion" mean within the context of time-dependent
> density functional theory?
>
> 					Reinaldo
>

----------------------------------------------------------------
 Dr S.I. Gorelsky, Department of Chemistry, Stanford University
 Box 155, 333 Campus Drive, Stanford, CA 94305-5080 USA
 Phone: (650) 723-0041. Fax: (650) 723-0852.
----------------------------------------------------------------




From chemistry-request@ccl.net Thu Dec  2 11:12:03 2004
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Subject: RE: 3D molecular structure drawing
Date: Thu, 2 Dec 2004 11:26:18 -0500
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Thread-Topic: 3D molecular structure drawing
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From: "Antony Williams" <antony.williams-.at.-acdlabs.com>
To: "Bhabani Shankar Mallik phd chm" <mbhabani-.at.-iitk.ac.in>,
   <chemistry-.at.-ccl.net>
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The ACD/ChemSKetch freeware available from
http://www.acdlabs.com/download/chemsk.html should suffice. It has a 3D
viewer and optimization mode included.

Antony J. Williams, Ph.D.
Vice President and Chief Science Officer

Tel: (919) 570-0217
Cell: (919) 201-1516
Fax: (425) 790-3749
antony.williams-.at.-acdlabs.com
 

-----Original Message-----
From: Computational Chemistry List [mailto:chemistry-request-.at.-ccl.net] On
Behalf Of Bhabani Shankar Mallik phd chm
Sent: Thursday, December 02, 2004 6:28 AM
To: chemistry-.at.-ccl.net
Subject: CCL:3D molecular structure drawing


Please someone can tell me, which software will be best for
drawing 3d molecular structure(may not for visualizing).
i.e. I want to draw a water trimer with hydrogen-bonds
shown (for classroom teaching).So I need a clear 3 Dimensional
picture of this system.

Any help will be greatly appreciated.

Bhabani
========================================================================
==
Bhabani Shankar Mallik
Theoretical Chemistry Group
Dept of Chemistry, IIT Kanpur, U.P-208016, India
------------------------------------------------------------------------
--


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From chemistry-request@ccl.net Thu Dec  2 12:57:12 2004
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Date: Thu, 2 Dec 2004 23:33:33 +0530 (IST)
Subject: RE: 3D molecular structure drawing
From: "Bhabani Mallik" <mbhabani~at~iitk.ac.in>
To: "Antony Williams" <antony.williams~at~acdlabs.com>
Cc: "Bhabani Shankar Mallik phd chm" <mbhabani~at~iitk.ac.in>, chemistry~at~ccl.net
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Many  many thanks to all for their response towards my mail.
Till now I have tried only chemsketch.This software looks good, which can
serve my purpose, but can some one tell me, how to show the hydrogen bonds
?

Thanks again.
Bhabani


> The ACD/ChemSKetch freeware available from
> http://www.acdlabs.com/download/chemsk.html should suffice. It has a 3D
> viewer and optimization mode included.
>
> Antony J. Williams, Ph.D.
> Vice President and Chief Science Officer
>
> Tel: (919) 570-0217
> Cell: (919) 201-1516
> Fax: (425) 790-3749
> antony.williams~at~acdlabs.com
>
>
> -----Original Message-----
> From: Computational Chemistry List [mailto:chemistry-request~at~ccl.net] On
> Behalf Of Bhabani Shankar Mallik phd chm
> Sent: Thursday, December 02, 2004 6:28 AM
> To: chemistry~at~ccl.net
> Subject: CCL:3D molecular structure drawing
>
>
> Please someone can tell me, which software will be best for
> drawing 3d molecular structure(may not for visualizing).
> i.e. I want to draw a water trimer with hydrogen-bonds
> shown (for classroom teaching).So I need a clear 3 Dimensional
> picture of this system.
>
> Any help will be greatly appreciated.
>
> Bhabani
> ========================================================================
> ==
> Bhabani Shankar Mallik
> Theoretical Chemistry Group
> Dept of Chemistry, IIT Kanpur, U.P-208016, India
> ------------------------------------------------------------------------
> --
>
>
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>
>
>
>
>


===============================================
Bhabani Shankar Mallik
Ph.D Student, Prof A. Chandra's Group
Department of Chemistry
Indian Institute of Technology, Kanpur
Kanpur, U.P.-208016
Lab Phone No: +91 512 2597976
Hall-7, Room No:F/209
================================================


From chemistry-request@ccl.net Thu Dec  2 11:37:53 2004
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Subject: Re: CCL:question on TDDFT using Gaussian 03
From: "Noel O'Boyle" <noel.oboyle2|at|mail.dcu.ie>
To: chemistry|at|ccl.net
Cc: Ricardo Oliveira <organicjewellery|at|yahoo.com>
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Dear Ricardo,

If you square these numbers, you get the '% contribution' of each of
these one-electron transitions to the actual transition.

In this case, you have:
64% 22A-->26A
37% 20B-->22B
7%  21B-->23B

If you know the nature of each of these orbitals, you can work out the
nature of the overall transition, e.g. LMCT, MLCT, or even view it
graphically (see gaussssum.sf.net), or send me an email.

Noel


On Thu, 2004-12-02 at 01:41, S.I.Gorelsky wrote:
> those numbers are the largest coefficients in the CI expansion
> (for the corresponding one-electron excitations: 22A -> 26A, 20B -> 22B,
> etc.)
> 
> s.g.
> 
> On Wed, 1 Dec 2004, Ricardo Oliveira wrote:
> 
> >
> > Hello everyone,
> >
> > I am having a problem with identifying those numbers
> > on the right hand side of the transitions.
> >
> > Below there is an extract from an output file from a
> > TDDFT (LSDA) calculation on
> > pyridine.***************************
> >
> >  Excited State   3:   ?Spin  -A'     4.5362 eV  273.32
> > nm  f=0.0016
> >      22A -> 26A        0.79830
> >      20B -> 22B        0.60419
> >      21B -> 23B       -0.25908
> >
> > ***********************
> >  The number of the excited state (3) along with its
> > energy (4.5362 eV) and corresponding wavelength are
> > given above. The letter f represents the oscillator
> > strenght.
> >
> > The question is: what are those other 3 numbers :
> >
> >  0.79830    0.60419       -0.25908   ??
> >
> >
> > Regards and thanks
> >
> > _________________________
> > Ricardo Oliveira
> > University of Sussex
> > School of Life Sciences
> > Chichester 3R 504
> > phone: (44) 1273678419
> > email: kau43|at|sussex.ac.uk
> > web: http://84.66.141.119/sitePhD/indexl.htm
> > Falmer - Brighton
> > UK
> >
> >
> >
> > __________________________________
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> >
> >
> >
> >
> >
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> > HOME Page: http://www.ccl.net   | Jobs Page: http://www.ccl.net/jobs
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> >
> >
> >
> >
> >
> 
> ----------------------------------------------------------------
>  Dr S.I. Gorelsky, Department of Chemistry, Stanford University
>  Box 155, 333 Campus Drive, Stanford, CA 94305-5080 USA
>  Phone: (650) 723-0041. Fax: (650) 723-0852.
> ----------------------------------------------------------------
> 
> 
> 
> 
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> 



From chemistry-request@ccl.net Thu Dec  2 13:28:15 2004
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From: "Jim Kress" <ccl_nospam_at_kressworks.com>
To: "'Bhabani Shankar Mallik phd chm'" <mbhabani_at_iitk.ac.in>,
   <chemistry_at_ccl.net>
Subject: RE: 3D molecular structure drawing
Date: Thu, 2 Dec 2004 13:42:59 -0500
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ArgusLab (www.arguslab.com) is an excellent choice as is gOpenMol
(http://www.csc.fi/~laaksone/gopenmol/gopenmol.html)

Jim  

> -----Original Message-----
> From: Computational Chemistry List 
> [mailto:chemistry-request_at_ccl.net] On Behalf Of Bhabani 
> Shankar Mallik phd chm
> Sent: Thursday, December 02, 2004 6:28 AM
> To: chemistry_at_ccl.net
> Subject: CCL:3D molecular structure drawing
> 
> 
> Please someone can tell me, which software will be best for 
> drawing 3d molecular structure(may not for visualizing).
> i.e. I want to draw a water trimer with hydrogen-bonds shown 
> (for classroom teaching).So I need a clear 3 Dimensional 
> picture of this system.
> 
> Any help will be greatly appreciated.
> 
> Bhabani
> ==============================================================
> ============
> Bhabani Shankar Mallik
> Theoretical Chemistry Group
> Dept of Chemistry, IIT Kanpur, U.P-208016, India
> --------------------------------------------------------------
> ------------
> 
> 
> -= This is automatically added to each message by the mailing 
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> 
> 
> 
> 
> 
> 
> 




From chemistry-request@ccl.net Thu Dec  2 16:28:03 2004
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Date: Thu, 02 Dec 2004 16:42:54 -0500
From: Malcolm E Davis <malcolm.davis*at*bms.com>
Subject: CCL: G03 using Linda on an opteron cluster running SLES9
Sender: malcolm.davis*at*bms.com
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We are having difficulties running Gaussian G03.C01 on our opteron 
cluster running SuSE Linux Enterprise 9.0.  The single processor g03 
executable appears to work fine.  However, with the Linda executable 
g03l jobs sporadically die quietly.  It appears to always be vibration 
calculations.  The same exact job will ususally complete successfully if 
resubmitted.  Finally, the jobs die even if set to run only on a single 
processor so Linda itself "shouldn't" be coming into play.  All 
suggestions will be appreciated.

Thanks,
Malcolm Davis

