1	ICE	Iron-sulfur-molybdenum cluster with interstitial carbon	1.000
2	ICG	Iron-sulfur-molybdenum cluster with interstitial carbon with selenium incorporated	0.944
3	ICS	Iron-sulfur-molybdenum cluster with interstitial carbon	0.944
4	ICZ	Iron-sulfur-molybdenum cluster with interstitial carbon	0.941
5	8P8	C fe7 s8 V	0.889
6	CFM	Fe-mo-S cluster	0.889
7	CFN	Fe(7)-mo-S(9)-N cluster	0.842
8	S5Q	Fefe cofactor	0.842
9	D6N	Fev	0.789
10	ICH	Iron-sulfur-molybdenum cluster with interstitial carbon with selenium incorporated	0.750
11	BJ8	Double cubane cluster	0.700