1	8P8	C fe7 s8 V	1.000
2	D6N	Fev	0.889
3	ICE	Iron-sulfur-molybdenum cluster with interstitial carbon	0.889
4	ICG	Iron-sulfur-molybdenum cluster with interstitial carbon with selenium incorporated	0.842
5	ICS	Iron-sulfur-molybdenum cluster with interstitial carbon	0.842
6	S5Q	Fefe cofactor	0.842
7	ICZ	Iron-sulfur-molybdenum cluster with interstitial carbon	0.833
8	CFM	Fe-mo-S cluster	0.789
9	BJ8	Double cubane cluster	0.700