I obtained parts of it from 
http://stackoverflow.com/questions/20741484/calculating-distance-betwe
+en-atoms-by-atomic-coordinates?rq=1

[download]
. <> Replaced. I got error messages with  print ....., as well as  print......, ; as well as their printf deviations. Updated original post with corrections. The getting stuck part makes sense, however. Thanks.

In reply to Re^2: XYZ Manipulation by jcklasseter
in thread XYZ Manipulation by jcklasseter

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