. 2013 May 23;3:1882. doi: 10.1038/srep01882

Table 2. Ca binding energy (E_Ca), adsorbed H-H bond length (d_HH) and energy (E_b) for H₂ on six- and five- membered rings.

	C₆H₆	C₄H₄N₂	C₅H₆B	C₄H₆B₂	C₃H₆B₃	C₄H₄O	C₄H₄S	C₄H₅N
E_Ca (eV)	0.07	0.73	3.02	3.13	4.80	0.19	0.11	0.25
E_b (eV)	0.11	0.15	0.01	0.35	0.02	0.20	0.27	0.35
d_HH (Å)	0.785	0.774	0.753	0.805	0.755	3.778	3.846	3.680

Table 2. Ca binding energy (ECa), adsorbed H-H bond length (dHH) and energy (Eb) for H2 on six- and five- membered rings.