Hf2I2Se2

MatHub2d-1490-Hf2I2Se2

Property Value
Space group (59, 'Pmmn')
Crystal system rectangular
Magnetic No
Band gap (PBE) (eV) 0.00
Free energy (eV) -36.481
Free energy / atom (eV) -6.080

Lattice Parameters (basic)

a, b, c (Å): 3.863 5.268 30.000
α, β, γ (°): 90.000 90.000 90.000

Lattice Parameters (computed)

a, b, c (Å): 3.864 5.253 30.000
α, β, γ (°): 90.000 90.000 90.000
Hf2I2Se2
Property Value
Band gap 0.00 eV
E-fermi -1.793 eV
Vacuum level 2.508 eV
VBM -1.798 eV
CBM -1.787 eV
Work function 4.301 eV
Direct gap No
Hf2I2Se2



Hf2I2Se2
Property Value
Band gap 0.00 eV
E-fermi -1.793 eV
Vacuum level 2.508 eV
VBM -1.798 eV
CBM -1.787 eV
Work function 4.301 eV
Cij (N/m) xx yy xy
xx 59.896 3.915 0.000
yy 3.915 137.333 0.000
xy 0.000 0.000 17.120
Phonon mode at Γ point (THz)
-0.003
-0.001
-0.001
1.275
1.453
2.138
2.167
2.225
2.775
3.003
4.136
4.207
4.799
5.135
5.461
5.730
6.775
6.803

Property Value
from where c2db-158