From kckyung@munhak.inha.ac.kr  Fri May  3 01:50:32 1996
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To: chemistry@www.ccl.net
From: kckyung@munhak.inha.ac.kr (Chan Kyung Kim)
Subject: Compiler Error of RS6000


Dear Computational Chemists:

    Recently I purchased MOPAC 93 from QCPE and tried to compile it on my
IBM RS6000-590 workstation(O/S version 3.2.5 and Fortran compiler version
3.2). During the compilation I got the following error message;

1500-004 (U) INTERNAL COMPILER ERROR while compiling mepmap. Compilation
ended. Contact your Service Representative and provide the following
information: GRARNN: gr383 is used before it is defined.
1501-511 Compilation failed for the file TEMP.f.

    Could somebody tell me the reason for this error message and how to
solve this problem? Is this well-known bug of IBM fortran compiler? This is
because I had same problem to compile MM2 program and never finished
compilation.

    Thank you for your help in advance.

Chan

---
Dr. Chan Kyung Kim
Assistant Professor
Department of Chemistry
Inha University
Inchon, Korea
402-751
(TEL) 82-32-860-7684
(FAX) 82-32-867-5604
(e-mail) kckyung@munhak.inha.ac.kr



From owner-chemistry@ccl.net  Fri May  3 03:50:32 1996
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From: Anthony P Scott <Anthony.Scott@anu.edu.au>
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Date: Fri, 3 May 1996 17:09:06 +1000 (EST)
To: chemistry@ccl.net
Subject: units conversion for magnetic and electric quantities
Message-ID: <Pine.SOL.3.91.960503165121.2111A-100000@leonard.anu.edu.au>
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I am collaborating with a colleague in determining various magnetic and 
electric properties for some interesting molecules. The calculations, with
Gaussian94, yield values that mean nothing to my colleague and he 
needs them converted to something he can understand (SI units).

Hence I would like to know what a unit conversion factor would be for:

1. Magnetic susceptabitities, cgs-ppm --> J Tesla-2

2. Polarizability, Debye (I think) --> Coulomb m2 volt-1

3. Quadrapole, Debye-Angstrom --> Coulomb m2

Any help in this matter will be of great help.

Thanks in advance,

Tony
______________________________________________________________________________
Dr. Anthony P. Scott, 
Computational Chemistry Group, 	    Office Ph.: 61-6-249-3573
Research School of Chemistry,  	    Dept. Ph.:  61-6-249-3637
Australian National University,	    Fax:        61-6-249-0750
Canberra, ACT 0200,            	    Email:      Anthony.Scott@anu.edu.au
AUSTRALIA.                         
______________________________________________________________________________



From iok@tpci.eie.ariadne-t.gr  Fri May  3 07:50:43 1996
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From: plucky <iok@tpci.eie.ariadne-t.gr>
Subject: help. Looking for <slater|gradient|slater>
To: chemistry@www.ccl.net
Date: Fri, 3 May 96 13:12:24 EET
Mailer: Elm [revision: 70.30]


 Dear Netters,
 
  Hello to everyone. I apologize for the taken bandwidth.
 As the subject describes I am looking for some subroutine
 that does the integral over all space of an STO and 
 the gradient of another STO at another center, ie:
 
 Integral( STO(r-R) Grad STO(r),dr^3 ). Theoretically
 one should be able to do it as the overlap integrals
 and taking care of the special cases (mainly m=0)
 but as time presses I would greatly appreciate such
 a code.
 
 My thanks in advance.
 
 Ioannis Koutselas
 
 
 


From owner-chemistry@ccl.net  Fri May  3 08:50:36 1996
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To: gadre@cdac.ernet.in
From: culmer@debye.dasgroup.com (Chuck Ulmer)
Subject: RE: CP correction to BSSE 
Cc: chemistry@ccl.net
Date: Thu, 2 May 1996 19:48:03 +0000
Message-ID: <19960502194803333.AAA50@mailer>


>Dear CCL netters :
>	I have some good starting geometries for weak binary complexes
>A...B wherein A and B retain the monomer geometries. Suppose I do full
>ab initio optimization with a reasonably good basis set, so that the
>monomer geometries of A and B might get distorted, how do go about
>calculating the counter poise correction to basis set superposition
>error? 
>	Any suggestions/ references are welcome.
>	Thank you,
>
>Shridhar Gadre (e-mail : gadre@parcom.ernet.in/ gadre@unipune.ernet.in)


  I recommend that you take a look at our article in J. Chem. Phys..

Nagy, P. I.; Ulmer, C. W., II; Smith, D. A. J. Chem. Phys. 1995, 102, 6812.

  We calculated binding energies at the MP4SDTQ level.  We corrected for BSSE
using the Boys-Bernardi method and applied a seven-point method that takes
into consideration the energy effect due to the change of the monomer
geometries upon dimerization.

Hope this helps,
Chuck
 
--
Charles W. Ulmer, II, Ph.D.                 |  voice: (814) 262-9091
The DASGroup, Inc.                          |    fax: (814) 262-9337
325 Beaver Court                            |  email: culmer@dasgroup.com
Johnstown, PA 15905-1801                    |

Contract R&D specialists in computational chemistry, process modeling,
synthesis and design of new compounds for organic, bioorganic, polymer and
biotechnology.


From hoaren@cv.port.ac.uk  Fri May  3 11:50:37 1996
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From: <hoaren@cv.port.ac.uk>
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To: CHEMISTRY@www.ccl.net
Message-ID: <009A1C91.B390FBE0.77@cv.port.ac.uk>
Subject: QSAR datasets and coordinates


Dear CCL'ers,

I am attempting to assemble a series of datasets for QSAR purposes. 

As well as a response variable (e.g. biological activity),and any other
measured or calculated descriptors, I am looking for coordinate data because
I would like to calculate additional parameters, which are shape 
(conformation) dependent,for the compounds before performing further 
analysis (LR,MLR,PLS). 

Any help is greatly appreciated, 
	Neil

Neil Hoare
hoaren@cv.port.ac.uk
University of Portsmouth
U.K.

From owner-chemistry@ccl.net  Fri May  3 23:50:39 1996
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From: Kai-hua Xiang <kxiang@mtu.edu>
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Subject: ECP with point charge background in G92
To: chemistry@ccl.net
Date: Fri, 3 May 1996 23:49:21 -0400 (EDT)
X-Mailer: ELM [version 2.4 PL24]
Content-Type: text


Hi, friends,

    When I put O(2-)(using ECP pseudopotential) in the background 
of PbWO4 point charge array (around 1000 sites) using Gaussian92, 
"division by zero " error occurred.

    Is there anyone who knows where is the problem and how to 
solve it?
 
    Thanks in advance!

Kai-hua Xiang
kxiang@phy.mtu.edu

