RESIDUE   XCC      9
CONECT      FE1    3 S2   S4   S3  
CONECT      FE2    1 S3  
CONECT      FE3    3 S1   S2   S4  
CONECT      FE4    3 S1   S2   S3  
CONECT      S1     3 FE3  FE4  NI  
CONECT      S2     3 FE1  FE3  FE4 
CONECT      S4     2 FE1  FE3 
CONECT      S3     3 FE1  FE2  FE4 
CONECT      NI     1 S1  
END   
HET    XCC              9
HETSYN     XCC C CLUSTER
HETNAM     XCC FE(4)-NI(1)-S(4) CLUSTER
FORMUL      XCC    Fe4 Ni1 S4