docs: def icohplist(self):
          """
          Returns: icohplist compatible with older version of this class
          """
          icohplist_new = {}
          for key, value in self._icohpcollection._icohplist.items():
              icohplist_new[key] = {"length": value._length, "number_of_bonds": value._num,
                                    "icohp": value._icohp, "translation": value._translation}
          return icohplist_new