Algorithms for 2D to 3D conversion of rings



Dear CCLers
 Does anybody has any idea of any free source code in C
 or FORTRAN for converting connectivity table of
 structures containing rings (fused, bridged etc) to 3D
 coordinates using simple rules and without molecular
 mechanics.
 sincerely
 Suman
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 Suman K. Chakravarti
 Chemistry Department
 Case Western Reserve University
 Cleveland, OH 44106, USA
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