Fe2I2Se2

MatHub2d-1468-Fe2I2Se2

Property Value
Space group (59, 'Pmmn')
Crystal system rectangular
Magnetic Yes
Band gap (PBE) (eV) 0.00
Free energy (eV) -21.986
Free energy / atom (eV) -3.664

Lattice Parameters (basic)

a, b, c (Å): 3.689 4.942 30.000
α, β, γ (°): 90.000 90.000 90.000

Lattice Parameters (computed)

a, b, c (Å): 3.718 5.168 30.000
α, β, γ (°): 90.000 90.000 90.000
Fe2I2Se2
Property Value
Band gap 0.00 eV
E-fermi -2.950 eV
Vacuum level 2.599 eV
VBM -2.950 eV
CBM -2.950 eV
Work function 5.549 eV
Direct gap No
Fe2I2Se2



Fe2I2Se2
Property Value
Band gap 0.00 eV
E-fermi -2.950 eV
Vacuum level 2.599 eV
VBM -2.950 eV
CBM -2.950 eV
Work function 5.549 eV
Cij (N/m) xx yy xy
xx 36.794 3.096 0.000
yy 3.096 19.495 0.000
xy 0.000 0.000 14.926
Phonon mode at Γ point (THz)
-3.771
-3.732
-0.009
-0.001
0.002
1.357
1.370
1.841
1.949
1.981
2.100
2.710
2.728
3.124
3.164
3.876
4.073
4.569

Property Value
from where c2db-130