> loadamberparams 7b.frcmod
Loading parameters: ./7b.frcmod
Reading force field modification type file (frcmod)
Reading title:
remark goes here
> loadoff unk.lib
Loading library: ./unk.lib
> loadoff ZNA.lib
Loading library: ./ZNA.lib
> loadamberparams ./frcmod.zna
Loading parameters: ./frcmod.zna
Reading force field modification type file (frcmod)
Reading title:
This frcmod file is for ZNA (zinc 2+ ion)
> complex = loadpdb complex_pdbv.pdb
Loading PDB file: ./complex_pdbv.pdb
 (starting new molecule for chain B)
  Added missing heavy atom: .R<CHIE 380>.A<OXT 18>
  total atoms in file: 3019
  Leap added 2879 missing atoms according to residue templates:
       1 Heavy
       2878 H / lone pairs
> saveamberparm complex rec_7b.prmtop rec_7b.rst7    
Checking Unit.
WARNING: The unperturbed charge of the unit: -1.000000 is not zero.
WARNING: The perturbed charge: -1.000000 is not zero.

 -- ignoring the warnings.

Building topology.
Building atom parameters.
Building bond parameters.
Could not find bond parameter for: O2 - ZNA
Could not find bond parameter for: NB - ZNA
Could not find bond parameter for: O2 - ZNA
Building angle parameters.
Could not find angle parameter: O2 - ZNA - NB
Could not find angle parameter: O2 - ZNA - O2
Could not find angle parameter: C - O2 - ZNA
Could not find angle parameter: CR - NB - ZNA
Could not find angle parameter: NB - ZNA - O2
Could not find angle parameter: CC - NB - ZNA
Could not find angle parameter: C - O2 - ZNA
Building proper torsion parameters.
 ** No torsion terms for  O2-ZNA-NB-CC
 ** No torsion terms for  O2-ZNA-NB-CR
 ** No torsion terms for  O2-ZNA-O2-C
 ** No torsion terms for  O2-C-O2-ZNA
 ** No torsion terms for  C-O2-ZNA-NB
 ** No torsion terms for  C-O2-ZNA-O2
 ** No torsion terms for  CT-C-O2-ZNA
 ** No torsion terms for  CR-NB-ZNA-O2
 ** No torsion terms for  NB-ZNA-O2-C
 ** No torsion terms for  CC-NB-ZNA-O2
 ** No torsion terms for  O2-C-O2-ZNA
 ** No torsion terms for  CT-C-O2-ZNA
Building improper torsion parameters.
 total 1270 improper torsions applied
Building H-Bond parameters.
Incorporating Non-Bonded adjustments.
Parameter file was not saved.
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