Input options

The whole input file for NMR uses one block key NMR, with several (optional) sub keys, each having a series of options.

NMR
   Out  OutOptions
   Calc CalcOptions
   U1K  U1KOptions
   Nuc  NucOptions
   Atoms  AtomsOptions
   Ghosts  GhostsOptions
   Analysis  AnalysisOptions
End