code: def tags(self):
          
          if "RECIPROCAL" in self.config_dict:
              if self.small_system:
                  self.config_dict["CIF"] = "{}.cif".format(
                      self.structure.formula.replace(" ", ""))
                  self.config_dict["TARGET"] = self.atoms.center_index + 1
                  self.config_dict["COREHOLE"] = "RPA"
                  logger.warning("Setting COREHOLE = RPA for K-space calculation")
                  if not self.config_dict.get("KMESH", None):
                      abc = self.structure.lattice.abc
                      mult = (self.nkpts * abc[0] * abc[1] * abc[2]) ** (1 / 3)
                      self.config_dict["KMESH"] = [int(round(mult / l)) for l in abc]
              else:
                  logger.warning("Large system(>=14 atoms) or EXAFS calculation, \
                                  removing K-space settings")
                  del self.config_dict["RECIPROCAL"]
                  self.config_dict.pop("CIF", None)
                  self.config_dict.pop("TARGET", None)
                  self.config_dict.pop("KMESH", None)
                  self.config_dict.pop("STRFAC", None)
  
          return Tags(self.config_dict)
docs: FEFF job parameters.
  
          Returns:
              Tags