Table 5 Table of energy, X@C80H20 means the particle is in the center of the cage, and X_C80H20 for the particle in the face of the cage (in units eV).

From: Predicting the new carbon nanocages, fullerynes: a DFT study

Cage + X

EX

ECage

Etotal

Eabs

Li@C80H20

− 203.84

− 83,209.81

− 83,413.63

− 0.02

Li_C80H20

− 203.84

− 83,209.81

− 83,413.34

− 0.31

Li+@C80H20

− 198.24

− 83,209.81

− 83,409.52

1.47

Li+_C80H20

− 198.24

− 83,209.81

− 83,410.55

2.50

H2@C80H20

− 31.43

− 83,209.81

− 83,241.24

− 0.00

H2_C80H20

− 31.43

− 83,209.81

− 83,241.07

− 0.17