Bi2I2N2
MatHub2d-1159-Bi2I2N2
Property |
Value |
Space group |
(59, 'Pmmn') |
Crystal system |
rectangular |
Magnetic |
No |
Band gap (PBE) (eV) |
0.00 |
Free energy (eV) |
-24.802 |
Free energy / atom (eV) |
-4.134 |
Lattice Parameters (basic)
a, b, c (Å): | 3.484 | 4.590 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 90.000 |
Lattice Parameters (computed)
a, b, c (Å): | 3.413 | 4.613 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 90.000 |
Property |
Value |
Band gap |
0.00 eV |
E-fermi |
-2.481 eV |
Vacuum level |
3.606 eV |
VBM |
-2.483 eV |
CBM |
-2.480 eV |
Work function |
6.086 eV |
Direct gap |
Yes |
Property |
Value |
Band gap |
0.00 eV |
E-fermi |
-2.481 eV |
Vacuum level |
3.606 eV |
VBM |
-2.483 eV |
CBM |
-2.480 eV |
Work function |
6.086 eV |
Cij (N/m) |
xx |
yy |
xy |
xx |
70.816 |
11.634 |
0.000 |
yy |
11.634 |
67.845 |
0.000 |
xy |
0.000 |
0.000 |
22.902 |
Phonon mode at Γ point (THz) |
-0.208 |
-0.161 |
-0.018 |
-0.009 |
0.023 |
0.820 |
0.999 |
1.046 |
1.198 |
2.602 |
2.691 |
4.032 |
5.491 |
12.338 |
13.653 |
13.780 |
13.875 |
13.976 |
Property |
Value |
from where |
c2db-46 |