Metallocene Error
-     Checker searches for incorrect metallocene representations. 
-     Fixer offers converting to a valid structure: aromatizing the rings, inserting coordination bonds, and fixing charge values (fixmetallocene). 
Example :
| Metallocene Error Checker (metallocene) | Warning: | Fix | 
| Fix Multiple Metallocenes (fixmetallocene) | ||
| Detect Metallcoene |      |      | 
 
            