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. 2023 Jan 16;16(3):e202201821. doi: 10.1002/cssc.202201821

Table 8.

Oxygen adsorption energies E ad on Mg(0001), Mg(101 0)A, and Mg(101 1) calculated with ReaxFF and DFT using Equation (7).

Surface

Adsorption site

E ad [eV]

ReaxFF

DFT

Mg(0001)

fcc

−4.01

−4.03

hcp

−4.02

tet‐1

−4.36

−4.42

tet‐2

−4.33

−4.30

tet‐3[a]

−3.79

oct

−4.64

−3.92

sub‐tet‐1

−4.44

−4.26

sub‐tet‐2

−4.45

−4.28

sub‐oct

−4.66

−4.05

Mg(101 0)A

fcc

−4.04

−4.07

hcp

−3.96

tet

−4.53

−4.43

bdg

−4.14

oct

−4.69

−4.09

Mg(101 1)

fcc

−3.93

−4.21

hcp

−3.94

tet‐1

−4.45

−4.31

tet‐2

−4.36

−4.20

tet‐3

−4.46

−4.34

tet‐4[a]

−3.90

oct

−4.62

−3.94

hlw

−4.44

−4.25

[a] Adsorption site is metastable.