C2F2Nb3

MatHub2d-332-C2F2Nb3

Property Value
Space group (187, 'P-6m2')
Crystal system hexagonal
Magnetic No
Band gap (PBE) (eV) 0.01
Free energy (eV) -55.946
Free energy / atom (eV) -7.992

Lattice Parameters (basic)

a, b, c (Å): 3.176 3.176 30.000
α, β, γ (°): 90.000 90.000 120.000

Lattice Parameters (computed)

a, b, c (Å): 3.202 3.202 30.000
α, β, γ (°): 90.000 90.000 120.000
C2F2Nb3
Property Value
Band gap 0.01 eV
E-fermi 0.041 eV
Vacuum level 4.666 eV
VBM 0.036 eV
CBM 0.048 eV
Work function 4.626 eV
Direct gap No
C2F2Nb3
Property Value
Band gap 0.01 eV
E-fermi 0.041 eV
Vacuum level 4.666 eV
VBM 0.036 eV
CBM 0.048 eV
Work function 4.626 eV
Cij (N/m) xx yy xy
xx 249.866 46.328 0.000
yy 46.328 249.866 0.000
xy 0.000 0.000 101.769
Phonon mode at Γ point (THz)
-0.022
-0.022
-0.005
3.105
3.105
4.056
4.056
4.198
4.198
4.593
5.106
5.106
6.804
11.932
12.186
12.247
16.771
16.771
17.791
17.800
17.800

Property Value
from where c2db-1417