From bruce@nmr.utmb.edu  Fri Mar  6 00:16:01 1998
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Date: Thu, 05 Mar 1998 23:00:55 -0600
From: "Bruce A. Luxon" <bruce@nmr.utmb.edu>
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Organization: Sealy Center for Structural Biology
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        CHEMISTRY@www.ccl.net
Subject: Boolean Searches
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Howdy All,

Can anyone point me in the right direction to find a boolean-driven search
engine for a plain text keyword database that I can incorporate in a WWW site?
 Preferably this would be written in PERL and be freeware but ...  I've looked
in the usual PERL archives and made several web searches but to no avail yet. 
All leads gratefully accepted.

Thanks in advance for your help,

Bruce 

-- 
*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-U-T-M-B-=-=-=-=-=-=-=-=-=-=-*
   Bruce A. Luxon, Ph.D.
   Associate Professor
   Sealy Center for Structural Biology
   Dept. of Human Biological Chemistry & Genetics
   University of Texas Medical Branch
   Galveston, TX   77555-1157
                              
   (409)747-6802; Fax (409)747-6850   http://www.hbcg.utmb.edu/ 
   mailto:bruce@nmr.utmb.edu          http://www.nmr.utmb.edu/
*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*

From jan.hrusak@jh-inst.cas.cz  Fri Mar  6 03:16:05 1998
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From: Jan Hrusak <jan.hrusak@jh-inst.cas.cz>
To: "'CHEMISTRY@www.ccl.net'" <CHEMISTRY@www.ccl.net>
Subject: AQCC Method
Date: Fri, 6 Mar 1998 08:29:20 +-100
Encoding: 7 TEXT


Dear netters,

does somebody in this comunity have experience with the AQCC 
method proposed by Bartlet & coworkers? (Particularly with the 
MOLPRO implementation of this method). 

Jan Hrusak


From jlye@tx.ncsu.edu  Fri Mar  6 10:16:15 1998
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Dear Netters,

I received eleven responses to my question about the spelling of
semi-empirical.  Seven people said that it should be one word, quoting
gramatical reasons, and because semi is not a word, it is a prefix, and should
not be hyphenated.

four people said that it should be hypenanted, on the grounds that the the
hyphen prevents the i and e together in semiempirical from forming a new
syllable.

So, I guess there are two schools of thought.

Jason

-- 

_______________________________________________________________________________

Jason Lye,                       |    
Dye Synthesis Research Group,    |    
College Of Textiles,  Box 8301,  |            "Too much of a 
North Carolina State University, |       good thing is wonderful"
Raleigh, N.C. 27695 - 8301       |                   	 
                                 |      		 - Mae West.
      Ph:   (919) 515-6615       |                     
      jlye@tx.ncsu.edu           |         
_______________________________________________________________________________



From trunec@physics.muni.cz  Fri Mar  6 10:38:18 1998
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From: David Trunec <trunec@physics.muni.cz>
Message-Id: <199803061510.QAA22908@monoceros.physics.muni.cz>
Subject: TEOS
To: chemistry@www.ccl.net
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Dear CCLers,
I need to know the geometry of following molecules

tetraethoxysiloxan (TEOS)

                               C2H5
                                |
                                O
                                |
                     C2H5 - O - Si - O - C2H5
                                |
                                O
                                |
                               C2H5
                               
hexamethyldisiloxan (HMDSO)



                          CH3      CH3
                           |        |
                     CH3 - Si - O - Si - CH3
                           |        |
                          CH3      CH3
  

Are there some ab-initio studies of these molecules ? Any help
will be greatly appreciated.

                       Best regards,
                                      David Trunec
                                      
                                      Dr. David Trunec
                                      Dep. of Physical Electronics
                                      Faculty of Science, Masaryk University
                                      Brno, Czech Republic
                                      e-mail trunec@physics.muni.cz

From smb@smb.chem.niu.edu  Fri Mar  6 14:19:35 1998
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The Division of Physical Chemistry Full Technical Program for the Spring
National ACS Meeting in Dallas is now available from the PHYS web page:

http://hackberry.chem.niu.edu/PHYS/

Steve
-- 
Steven Bachrach				
Department of Chemistry
Northern Illinois University
DeKalb, Il 60115			Phone: (815)753-6863
smb@smb.chem.niu.edu			Fax:   (815)753-4802



From girek@kucc08.rs.korea.ac.kr  Mon Mar  2 05:15:15 1998
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Date: Mon, 2 Mar 1998 18:51:54 +0900 (KORST)
From: Girek Tomasz <girek@kucc08.rs.korea.ac.kr>
Subject: Help for MOPAC graph keyword
To: CHEMISTRY@www.ccl.net
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Dear CCl-ers 
I am user of MOPAC6.0 under Windows95/NT. I took this software from 
 http://ufark12.chem.ufl.edu/victor/mopac/index.shtml . 
I try to generate a graph file using GRAPH keyword, but it is not 
working. 
For any sugestions I will be very obliged. 

Tom 

Tomasz Girek 
Graduate School of Biotechnology 
Korea University 
5-1, Anam dong, Sungbuk-ku 
136-701 Seoul, Korea 
girek@kuccnx.korea.ac.kr 


From ccl@www.ccl.net  Mon Mar  2 06:15:15 1998
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Date: Sat, 15 Nov 1997 11:23:00 +0100
From: manu@asia.chimfarm.unipg.it (autodock)
Message-Id: <199711151023.LAA18820@asia.chimfarm.unipg.it>
To: chemistry@ccl.net
Subject: Need L-J params for F, Cl, Br, I for Autodoc




Dear members of CCL!

 Best greetings to all those who answered my request:

I need Lennard-Jones 12-6 Parameters (r;E;C12;C6) for the using the
Autodock program with molecules containing these kind of atoms: F,CL,Br,I
 Can you tell me where i can find these parameters (literature, or another 
version of Autodock containing these parameters)
All replies are highly acknoledged!

Ph.d Enrique Calvo Vilches
Instituto di Tecnologia del Farmaco, Via del Liceo 1, Perugia
present e-mail: kike@iris.chimfarm.unipg.it


From paul@bellatrix.pcl.ox.ac.uk  Mon Mar  2 09:15:17 1998
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Date: Mon, 2 Mar 1998 13:54:10 +0000 (GMT)
From: Paul Lyne <paul@bellatrix.pcl.ox.ac.uk>
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To: chemistry@www.ccl.net
Subject: MOPAC for large systems
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Hi,

Has anyone managed to compile Mopac 6.0 for a system as large as
300 atoms? 

Thanks

Paul

---------------------------------------------------------------------------
Dr. Paul D. Lyne
Department of Chemistry                        
New Chemistry Laboratory                       Tel:    +44 1865 275932
South Parks Road                               Fax:    +44 1865 275905
Oxford, OX1 3QT                                
United Kingdom                                 
---------------------------------------------------------------------------



From jfang@bach.helios.nd.edu  Mon Mar  2 11:15:19 1998
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Date: Mon, 2 Mar 1998 10:41:18 -0500 (EST)
From: Jian-Yun Fang <jfang@bach.helios.nd.edu>
To: chemistry@www.ccl.net
Subject: Fortran-compiler for Windows
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Hello, everyone:

A friend of mine is looking for a free Fortran compiler for windows. Would
anyone out there tell me where I can get it. Any relevant information is
wellcome and appreciated. Thanks.

Jian-Yun Fang, PhD

**********************************************************************
! Jian-Yun Fang, PhD                                                 !  
! Department of Chemistry & Biochemistry	email: jfang@nd.edu  !
! University of Notre Dame               	phone: (219)631 3904 !
! Notre Dame, IN 46556, USA			fax:   (219)631 6652 !
!	    Home Page   http://shs7.chem.nd.edu/~jian/               !
**********************************************************************



From jjl4@po.cwru.edu  Tue Mar  3 00:15:24 1998
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From: Jae-Joon Lee <jjl4@po.cwru.edu>
Subject: Enamine effect in IR
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I don't sure this kind of topic can be dealt in this mailing list. However,
I think there must be some people research IR theoretically.

Does anyone can explain about the "enamine effect" in IR with some example
?  It was recognized in studies of alpha-beta-unsaturated tertiary amines,
where increses of peak frequency 20-50cm-1

thanks.





From Jonathan.Connor@nessie.mcc.ac.uk  Tue Mar  3 13:23:01 1998
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Subject: Special Issue: Chemical Reaction Theory
To: chemistry@www.ccl.net
Date: Tue, 3 Mar 1998 17:47:25 +0000 (GMT)
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The Royal Society of Chemistry, Faraday Division


Call for Papers


A special issue of 

Journal of the Chemical Society Faraday Transactions 

on 

Chemical Reaction Theory 

will be published in 1999.  


It is hoped many contributors will also attend Faraday Discussion No. 110: 
Chemical Reaction Theory, University of St Andrews, Scotland, 1-3 July 
1998, where they can also present a poster on their work and take part in 
the discussion (web site, http://physchem.ox.ac.uk/~mano/faraday.html).
They can also attend MOLEC XII (European Conference on Dynamics of 
Molecular Collisions),  University of Bristol, UK, 6 to 11 Seember 1998 
(web site, http://www.tlchm.bris.ac.uk/molec/molec.htm) and the 15th 
International Symposium on Gas Kinetics, 6 to 10 September 1998 (information:
 j.plane@uea.ac.uk).

Contributions in the form of regular papers are invited by 31 October 1998 
in the following areas: 

%	ab initio calculation of accurate potential energy surfaces for chemical 
	reactions.

%	Scattering theory for the accurate treatment of small molecule
	reactions.

%	Extensions of the theory for understanding the dynamics and kinetics
 	of large molecules.

%	reactions of molecules on solid surfaces.

%	reactions of molecules in solution.


Further information from:  

	Professor J N L Connor, Department of Chemistry, 
	University of Manchester, Manchester M13 9PL, England.
	e-mail: J.N.L.Connor@Manchester.ac.uk
-- 
******************************************************************************
 Professor J.N.L. Connor,     Phone(direct line): 0161-275-4693 (national)
 Department of Chemistry,                     :+44-161-275-4693 (international)
 University of Manchester,
 Manchester M13 9PL,            Phone(secretary): 0161-275-4686 or 4600
 England.                                    Fax: 0161-275-4734 or 4598  
****************************************************************************** 



From dschmidl@duke.poly.edu  Wed Mar  4 08:21:10 1998
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From: David Schmidling <dschmidl@duke.poly.edu>
To: chemistry@www.ccl.net
cc: dschmidl@duke.poly.edu
Subject: gas molecular dynamics educational program
Message-ID: <Pine.SUN.3.96.980304072812.22482A-100000@duke.poly.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


ftp://www.ccl.net/pub/chemistry/software/MS-DOS/Gas-Molecular-Dynamics

README.TXT Collide program.        

        This program simulates the behavior of a gas.  Classical mechanics is
used to calculate the trajectories of individual particles. The visual presen-
tation of the model helps the student to gain an intuitive understanding of 
gases and their properties.  The advanced student can investigate the pro-
perties of matter at particle densities up to near close-packing levels.
        
        Molecules are modeled as hard spheres in motion in a small container, 
bouncing off the walls and each other.  Rates of collision between particles 
and with the walls, pressure and speed distribution are calculated and compared 
with theoretical values.
        
        Starting from arbitrary initial conditions, the system evolves towards 
equilibrium.  When the volume of the molecules is small compared to the volume 
of the container, system behavior approaches that of an ideal gas.

        System requirements:  IBM PC/Compatible, with 80286 or higher,
VGA 640x480x16 color or higher, DOS 3.3 or higher. Fast computer suggested.   

        Installation:  Copy COLLIDE.ZIP to a directory, unzip the file and look
at the file README2.TXT for instructions on running COLLIDE.EXE.

        The author is a faculty member of The Department of Chemistry of
Polytechnic University, New York City.

        Copyright (c) 1994-1998 David Schmidling




From lavelle@mbi.ucla.edu  Tue Mar  3 18:15:32 1998
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Date: Tue, 03 Mar 1998 15:23:18 -0800
To: chemistry@www.ccl.net
From: Laurence Lavelle <lavelle@mbi.ucla.edu>
Subject: General questions on hardware & QM calculations
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Hi,

I have general questions about Gaussian and "single user" hardware
systems (i.e., not server based).


G94 running on a Digital 600MHz alpha.

G94W running on the same machine but with NT as the OS.

Estimates (experience) the performance difference? Where are the
performance drops?


"Gaussian 94W is a complete implementation of the popular Gaussian 94"

Are there no functional limitations in G94W with respect to G94 UNIX?  In
other words the computational options in G94W & G94 are the same?


Since G94W is called "94" I assume it was originally released in 94.
Anyone comment on if there will be a G98W this year?=20


Also, there has been general discussion about Intel based PC's vs SGI vs
MAC for both computational and general use. But little comment on Alpha
based machines.


High prices for high end PC's have been quoted (on user groups) to the
extent that they compete with SGI's ($10-12K).=20


Below are two systems from Microway (alpha CPU & Intel CPU):


Any comments on how these systems compare: price/performance?=20

Are alpha based machines the best for computational work?


<bold>1)

</bold>Microway's Alpha Powered "Scream'n Demon"

600 MHz Powerhouse Special=20

Featuring the "Screamer-LX 600 MHz" (for NT or Linux)

with 4 MB SRAM Cache (A Microway Exclusive)


$6,995.


This system features the latest Microway Screamer-LX motherboard which is
based upon Digital's AlphaPC 164LX reference design. The motherboard
features a new memory architecture that boasts a transfer rate of 1.3
GB/sec!


    Microway Screamer-LX 600 MHz Motherboard (21164A CPU)=20

    4 PCI/2 ISA, 2 Serial/1Parallel Port, 4 MB 9ns SRAM Cache=20

    Full-Size Tower (10 bays) w/DIMM Cooling & PS/2 400 Watt Power Supply=20

    128 MB SDRAM (2 ea. 8x72-10ns DIMMs expandable to 2 GB)=20

    ITI4140UE Ultra Wide SCSI-3 Controller with 10/100Mbps Ethernet RJ45=20

    4.5 GB UW SCSI Hard Drive 7200 RPM (Seagate)=20

    Matrox Millenium II 8MB PCI Video Card=20

    12X Toshiba SCSI CD-ROM Drive=20

    3.5" Floppy, DEC PS/2-style Keyboard, Logitech 3-Button Mouse=20

    Either NT Workstation (CD) v4.0 or Red Hat LINUX (CD) v4.2=20

    Digital's FX!32 Software Emulator=20



<bold>2)

</bold>Microway Number Smasher=AE Dual Pentium Workstation includes:


    Motherboard with two 300 Mhz Pentium II Processors and 512 KB cache=20

    32 MB RAM=20

    ATX Mid-size Tower with 7 drive bays and three fans=20

    300 Watt Power Supply=20

    4.5 GB UW SCSI Drive 7200 RPM (Seagate)=20

    IntraServer 3140U UW SCSI Controller=20

    24x IDE CD-ROM=20

    Matrox Millenium II 4MB Graphics Card=20

    2 Serial, 1 Parallel Port=20

    3.5" 1.44 MB Floppy Drive=20

    Mouse and Keyboard=20

    Windows NT (CD) version 4.0 installed=20

     =20

    System Price: $3,995=20

     =20

    Option Package: $395=20

    *additional 32 MB RAM (64 MB total)=20

    *Creative Labs' AWE 64 Sound Card with Labtec Speakers=20

    *US Robotics 56K internal fax/modem=20

     =20

http://www.microway.com/specials.html


Thanks

Laurence Lavelle

<center>


""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""=
""""""""""""""""

Laurence Lavelle, Ph.D.

University of California Los Angeles

Molecular Biology Institute, and Department of Chemistry & Biochemistry

Laboratory of Structural Biology & Molecular Medicine

Los Angeles, CA 90095-1570, USA

=20

Email:LAVELLE@MBI.UCLA.EDU

Phone (Lab): (310) 206-8270

Phone (Office): (310) 825-2083

Fax: (310) 267-1957

http://www.doe-mbi.ucla.edu/people/lavelle/lavelle.html

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""=
""""""""""""""""


It will be a great day when schools have all the money they need,

and the military has bake day sales.




In nature's infinite book of secrecy

A little I can read.


</center>


From girek@kucc08.rs.korea.ac.kr  Mon Mar  2 05:15:15 1998
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Date: Mon, 2 Mar 1998 18:51:54 +0900 (KORST)
From: Girek Tomasz <girek@kucc08.rs.korea.ac.kr>
Subject: Help for MOPAC graph keyword
To: CHEMISTRY@www.ccl.net
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Dear CCl-ers 
I am user of MOPAC6.0 under Windows95/NT. I took this software from 
 http://ufark12.chem.ufl.edu/victor/mopac/index.shtml . 
I try to generate a graph file using GRAPH keyword, but it is not 
working. 
For any sugestions I will be very obliged. 

Tom 

Tomasz Girek 
Graduate School of Biotechnology 
Korea University 
5-1, Anam dong, Sungbuk-ku 
136-701 Seoul, Korea 
girek@kuccnx.korea.ac.kr 


From malakhoff@hotmail.com  Thu Mar  5 15:15:55 1998
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From: "Malakhov Dima" <malakhoff@hotmail.com>
To: CHEMISTRY@www.ccl.net
Subject: TPA using SOS
Content-Type: text/plain
Date: Thu, 05 Mar 1998 11:25:42 PST



             Dear netters!
I heard that the two-photon absorption cross section 
can be calculated using SOS semiempirical method.
What software is the best for such type calculation?
Thank you for answer.
                            Ph.D. St.   Dmitry Malakhov,
                            International Laser Center 
                            of Moscow State University




From girek@kucc08.rs.korea.ac.kr  Mon Mar  2 05:15:15 1998
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Date: Mon, 2 Mar 1998 18:51:54 +0900 (KORST)
From: Girek Tomasz <girek@kucc08.rs.korea.ac.kr>
Subject: Help for MOPAC graph keyword
To: CHEMISTRY@www.ccl.net
Message-Id: <Pine.3.89.9803021827.A25176-0100000@kucc08.rs.korea.ac.kr>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII




Dear CCl-ers 
I am user of MOPAC6.0 under Windows95/NT. I took this software from 
 http://ufark12.chem.ufl.edu/victor/mopac/index.shtml . 
I try to generate a graph file using GRAPH keyword, but it is not 
working. 
For any sugestions I will be very obliged. 

Tom 

Tomasz Girek 
Graduate School of Biotechnology 
Korea University 
5-1, Anam dong, Sungbuk-ku 
136-701 Seoul, Korea 
girek@kuccnx.korea.ac.kr 


From tvd@msi.com  Fri Mar  6 20:16:13 1998
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Date: Fri, 06 Mar 1998 16:27:37 +0000
To: CHEMISTRY@www.ccl.net
From: Ton van Daelen <tvd@msi.com>
Subject: Cerius2 interface to GRID
Mime-Version: 1.0
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Hi all -

MSI has just released an SDK interface to GRID, Peter Goodford's program
for predicting inter-molecular interactions. The interface can be
downloaded from MSI's web site. The only requirement to run this interface
is that you have licenses for the Cerius2 visualizer and the GRID program.
The latter can be obtained from Peter Goodford. This interface is a free,
unsupported application. There is a mechanism, however, to provide comments
and suggestions, and we intend to add functionality and bug fixes on a
fairly regular basis.

With regards - Ton

Download and installation instructions:
http://www.msi.com/support/sdk/users/gifts/grid/README.html

A glossy description of the program:
http://www.msi.com/corp/solutions/98/jan/sol198_GRID.pdf

  Ton van Daelen, Ph.D.    Product Manager Software Developer's Kit
           
       __o                                        E: tvd@msi.com
     _`\<,_          Molecular Simulations, Inc   P: -1-619-546-5329
    (*)/ (*)         9685 Scranton Road           F: -1-619-458-0136
  /\/\/\/\/\/\       San Diego, CA 92121          W: http://www.msi.com

Check out What's New in SDK on the SDK web pages at
http://www.msi.com/support/sdk/




From smanian@giaspn01.vsnl.net.in  Fri Mar  6 23:16:14 1998
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Date: Sat, 7 Mar 1998 09:37:23 +0500 (GMT+0500)
From: Dr S K Malasubramanian <smanian@vsnl.net.in>
To: chemistry@www.ccl.net
Subject: Difficulty in sending email to jmol.mod@organik.uni - erlangen.de
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to all,
Sorry to trouble you all.My email toms.henrietta roth at the journalof 
molecular modeling have not been reaching her.The  reply is 
hostunknown.The message is given below.I would feelobligedif anyone can 
forward the message.
S. K. Balasubramanian. Ph .D.,				B-8, Apsara  Apartments,
Ph.:  (0212) 620627						259,Bund 
Garden Road,
Pune 411001. (India)
e-mail address:     smanian@giaspn01.vsnl.net.in		

Ms.Henrietta Roth
Editor,
Journal of Molecular Modeling,


Dear Ms. Roth,
	Thank you for your email. I am glad to know about your electronic 
journal. I would be glad to submit my paper to you for evaluation.
	The paper concerns a new non-quantum model for atomic structure 
based on simple assumptions. It is a chemist's approach to molecular 
geometry and  structure and is non mathematical. It explains why a carbon 
atom is tetrahedral. The variety of single bonds such as the tetrahedral, 
square (pyramidal ) planar and the inverted bonds are explained in a 
natural and easy manner. The common double bond and the double bond with 
tetrahedral carbons also find easy accommodation. In a similar manner the 
triple bond with double bond geometry providing for cis-trans isomerism 
found in complexes is also explained. The model provides a new look  into 
aromaticity and the formation of  benzyne is not exceptional but a 
fundamental part of aromaticity. It provides an easy explanation for some 
chemical reactions such as S N 2 and isotope scrambling reactions.
	In silicon the model accounts for the chirality of quartz. It 
also explains the formation of silicocene derivative and its specific  
properties. Silicon provides a possible method of verification of the 
validity of the model. 
	In boron to my knowledge this is the only model that compulsively 
leads to the peculiar geometry of diborane. Boron shows a variety of bond 
geometry which could account for the boron hydrides and for the structure 
of crystalline boron. Our boron work is incomplete. I will send a small 
skeletal account more for illustrating the potential of the method than 
as a complete argument. Ferromagnetism and anti-ferromagnetism are childs 
play for the model.
	We have covered a number of elements including the inert gases. 
But the basic concept and the methodology would have to find general 
acceptance before the other elements could be considered.
	I have one handicap. My internet connection allows only textual 
matter to be transmitted, whereas the paper contains several formulae and 
color photographs. I am asking for help for help  in transmitting these. 
If such  help does  not materialise  I may have to send the paper by post 
 . You may have the additional trouble of converting it  into electronic 
form. I hope it would be acceptable.
	Thanking you,
	Yours truly,
       S.K.Balasubramanian)
	 
	


