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Short helpfile for action DIHCOR
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The input trajectory can be in any of the following formats: 

                  ATOMS - the set of 8 atoms that are being used each of the dihedral 
                          correlation values. For more information on how to specify lists of 
                          atoms see \ref Group 

The following options are available

                  NOPBC - ( default=off ) ignore the periodic boundary conditions 
                          when calculating distances 

