mol="B51" Charge="0"
lab="S1"	NH="0" 
lab="FE1"	NH="0" 
lab="S2"	NH="0" 
lab="S3"	NH="0" 
lab="FE2"	NH="0" 
lab="FE3"	NH="0" 
lab="S4"	NH="0" 
lab="NI1"	NH="0" 
