Table. 2 Total energy and magnetization and separate magnetic moments of Mn dimer embedded in C2N. Two spin configurations (FM and AFM) were tested.

From: Magnetic single atom catalyst in C2N to induce adsorption selectivity toward oxidizing gases

Spin Configuration

ETOT (eV)

MTOT (μB)

M/Mn-atom: Mn1, Mn2 (μB)

Mn–Mn Distance

Favored Coupling

FM

− 1210.504

7.010

3.099, 3.101

2.207

No

AFM

− 1211.099

0.000

3.458, − 3.458

2.178

Yes