| DBNDDBND a b
This command breaks the bond between atoms a and b
and fills the valency of each with a hydrogen, directed
along the broken bond. This inevitably gives a rather strained
structure
 
 
 
 
 
 
 Acca and Acca documentation:
© 1996,1997 J M Goodman, Cambridge.
 Acca documentation may not be copied
without the written permission of the author.
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