Si2

MatHub2d-1076-Si2

Property Value
Space group (164, 'P-3m1')
Crystal system hexagonal
Magnetic No
Band gap (PBE) (eV) 0.00
Free energy (eV) -9.570
Free energy / atom (eV) -4.785

Lattice Parameters (basic)

a, b, c (Å): 3.873 3.873 30.000
α, β, γ (°): 90.000 90.000 120.000

Lattice Parameters (computed)

a, b, c (Å): 3.866 3.866 30.000
α, β, γ (°): 90.000 90.000 120.000
Si2
Property Value
Band gap 0.00 eV
E-fermi -3.494 eV
Vacuum level 1.046 eV
VBM -3.494 eV
CBM -3.494 eV
Work function 4.540 eV
Direct gap Yes
Si2
Property Value
Band gap 0.00 eV
E-fermi -3.494 eV
Vacuum level 1.046 eV
VBM -3.494 eV
CBM -3.494 eV
Work function 4.540 eV
Cij (N/m) xx yy xy
xx 68.417 21.226 -0.000
yy 21.226 68.417 -0.000
xy -0.000 -0.000 23.596
Phonon mode at Γ point (THz)
0.000
0.000
0.000
5.650
16.561
16.561

Property Value
from where c2db-708