Br2Cu2Se2

MatHub2d-1177-Br2Cu2Se2

Property Value
Space group (59, 'Pmmn')
Crystal system rectangular
Magnetic Yes
Band gap (PBE) (eV) 0.00
Free energy (eV) -15.617
Free energy / atom (eV) -2.603

Lattice Parameters (basic)

a, b, c (Å): 3.591 4.815 30.000
α, β, γ (°): 90.000 90.000 90.000

Lattice Parameters (computed)

a, b, c (Å): 3.569 4.776 30.000
α, β, γ (°): 90.000 90.000 90.000
Br2Cu2Se2
Property Value
Band gap 0.00 eV
E-fermi -3.796 eV
Vacuum level 2.580 eV
VBM -3.796 eV
CBM -3.796 eV
Work function 6.376 eV
Direct gap Yes
Br2Cu2Se2



Br2Cu2Se2
Property Value
Band gap 0.00 eV
E-fermi -3.796 eV
Vacuum level 2.580 eV
VBM -3.796 eV
CBM -3.796 eV
Work function 6.376 eV
Cij (N/m) xx yy xy
xx 64.847 18.423 0.000
yy 18.423 24.026 0.000
xy 0.000 0.000 1.706
Phonon mode at Γ point (THz)
-0.592
-0.390
-0.035
-0.017
-0.002
1.182
1.229
1.260
1.732
2.327
2.713
4.178
4.307
4.389
5.948
5.950
6.137
6.246

Property Value
from where c2db-108