From paithan@ecn.purdue.edu  Sun Nov 15 16:11:17 1992
Date: Sun, 15 Nov 92 21:11:17 -0500
From: paithan@ecn.purdue.edu (Dilip Y Paithankar)
Message-Id: <9211160211.AA04756@cn.ecn.purdue.edu>
To: CHEMISTRY@ccl.net
Subject: Construction of crystal structures



I am interested in constructing a collection of atoms in specific
symmetries such as icosahedral, cuboctahedral, octahedral, and
truncated octahedral. There are certain magic numbers of atoms for
which these structures from compact, closed-shell structures (and have
extra stability). Of course, these magic numbers are different for
different structural motifs.

Can someone direct me to programs that give the coordinates of atoms in
a magic number collection of atoms for the above structures?  I am
interested in constructing aggregates with large number of atoms
(greater than 1000).

I will summarize the replies to the list.

Thanks,

Dilip Paithankar
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E-Mail - paithan@ecn.purdue.edu
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