Ge2I2S2

MatHub2d-1483-Ge2I2S2

Property Value
Space group (59, 'Pmmn')
Crystal system rectangular
Magnetic No
Band gap (PBE) (eV) 0.00
Free energy (eV) -21.288
Free energy / atom (eV) -3.548

Lattice Parameters (basic)

a, b, c (Å): 3.753 5.097 30.000
α, β, γ (°): 90.000 90.000 90.000

Lattice Parameters (computed)

a, b, c (Å): 3.747 5.095 30.000
α, β, γ (°): 90.000 90.000 90.000
Ge2I2S2
Property Value
Band gap 0.00 eV
E-fermi -2.794 eV
Vacuum level 2.661 eV
VBM -2.796 eV
CBM -2.793 eV
Work function 5.455 eV
Direct gap No
Ge2I2S2
Property Value
Band gap 0.00 eV
E-fermi -2.794 eV
Vacuum level 2.661 eV
VBM -2.796 eV
CBM -2.793 eV
Work function 5.455 eV
Cij (N/m) xx yy xy
xx 57.235 23.948 0.000
yy 23.948 59.124 0.000
xy 0.000 0.000 14.445
Phonon mode at Γ point (THz)
-0.028
-0.011
-0.003
1.116
1.178
1.386
1.571
2.201
2.412
2.609
2.655
4.411
4.559
4.659
5.350
6.927
7.097
7.244

Property Value
from where c2db-146