Figure 6. (a) Definition of six moieties for the adsorbed *NxHy
on various TM2@sitex (x = 1, 2, 3, 4)
systems. (b)-(h) charge variation of the six moieties for
Mn2@site1,
Ru2@site1,
Co2@site2,
W2@site2,
Os2@site3,
V2@site4, and
Cr2@site4, respectively.