RESIDUE   R2U     14
CONECT      O3     2 RU1  H1  
CONECT      O4     2 RU2  H2  
CONECT      O5     2 RU1  H3  
CONECT      O6     2 RU2  H4  
CONECT      O7     2 RU1  H5  
CONECT      O8     2 RU2  H6  
CONECT      RU1    4 O3   O5   O7   RU2 
CONECT      RU2    4 O4   O6   O8   RU1 
CONECT      H1     1 O3  
CONECT      H2     1 O4  
CONECT      H3     1 O5  
CONECT      H4     1 O6  
CONECT      H5     1 O7  
CONECT      H6     1 O8  
END   
HET    R2U             14
HETNAM     R2U Ru2-(OH)6 cluster
FORMUL      R2U    H6 O6 Ru2