Crystal system |
hexagonal |
Space group number |
180 |
Hermann-Mauguin |
P6_222 |
Hall |
P 62 2c (0 0 1) |
Point group |
622 |
Normalized formula |
CrSi2 |
The number of formula units per unit cell |
3 |
The total number of atoms per unit cell |
9 |
The number of inequivalent sites per unit cell |
2 |
Structure search |
MP |
a (Å) |
4.4076 |
b (Å) |
4.4076 |
c (Å) |
6.3664 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
107.111 |
Density (g/cm3) |
5.031 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-360.8 meV/atom |
Formation energy above hull |
13.4 meV/atom |
DFT calculations (details) | |
---|---|
Magnetic ordering |
non-magnetic |
Total magnetic moment |
0.00 μB/cell |
Averaged magnetic moment |
0.00 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.00 T (= 0.0 emu/cm3) |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Cr | 3d | 0.500000 | 0.000000 | 0.500000 | 0.00 | . | . |
2 | Cr | 3d | 0.000000 | 0.500000 | 0.166667 | 0.00 | . | . |
3 | Cr | 3d | 0.500000 | 0.500000 | 0.833333 | 0.00 | . | . |
4 | Si | 6j | 0.166163 | 0.833837 | 0.833333 | -0.00 | . | . |
5 | Si | 6j | 0.332325 | 0.166163 | 0.166667 | -0.00 | . | . |
6 | Si | 6j | 0.833837 | 0.667675 | 0.500000 | -0.00 | . | . |
7 | Si | 6j | 0.833837 | 0.166163 | 0.833333 | -0.00 | . | . |
8 | Si | 6j | 0.667675 | 0.833837 | 0.166667 | -0.00 | . | . |
9 | Si | 6j | 0.166163 | 0.332325 | 0.500000 | -0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Cr | 3d | 2 | Cr | 3d | 3.06 | . |
1 | Cr | 3d | 3 | Cr | 3d | 3.06 | . |
1 | Cr | 3d | 4 | Si | 6j | 2.48 | . |
1 | Cr | 3d | 5 | Si | 6j | 2.48 | . |
1 | Cr | 3d | 6 | Si | 6j | 2.54 | . |
1 | Cr | 3d | 7 | Si | 6j | 2.48 | . |
1 | Cr | 3d | 8 | Si | 6j | 2.48 | . |
1 | Cr | 3d | 9 | Si | 6j | 2.54 | . |
2 | Cr | 3d | 3 | Cr | 3d | 3.06 | . |
2 | Cr | 3d | 4 | Si | 6j | 2.48 | . |
2 | Cr | 3d | 5 | Si | 6j | 2.54 | . |
2 | Cr | 3d | 6 | Si | 6j | 2.48 | . |
2 | Cr | 3d | 7 | Si | 6j | 2.48 | . |
2 | Cr | 3d | 8 | Si | 6j | 2.54 | . |
2 | Cr | 3d | 9 | Si | 6j | 2.48 | . |
3 | Cr | 3d | 4 | Si | 6j | 2.54 | . |
3 | Cr | 3d | 5 | Si | 6j | 2.48 | . |
3 | Cr | 3d | 6 | Si | 6j | 2.48 | . |
3 | Cr | 3d | 7 | Si | 6j | 2.54 | . |
3 | Cr | 3d | 8 | Si | 6j | 2.48 | . |
3 | Cr | 3d | 9 | Si | 6j | 2.48 | . |
4 | Si | 6j | 5 | Si | 6j | 2.47 | . |
4 | Si | 6j | 6 | Si | 6j | 2.47 | . |
4 | Si | 6j | 7 | Si | 6j | 2.54 | . |
4 | Si | 6j | 8 | Si | 6j | 3.05 | . |
4 | Si | 6j | 9 | Si | 6j | 3.05 | . |
5 | Si | 6j | 6 | Si | 6j | 3.05 | . |
5 | Si | 6j | 7 | Si | 6j | 3.05 | . |
5 | Si | 6j | 8 | Si | 6j | 2.54 | . |
5 | Si | 6j | 9 | Si | 6j | 2.47 | . |
6 | Si | 6j | 7 | Si | 6j | 3.05 | . |
6 | Si | 6j | 8 | Si | 6j | 2.47 | . |
6 | Si | 6j | 9 | Si | 6j | 2.54 | . |
7 | Si | 6j | 8 | Si | 6j | 2.47 | . |
7 | Si | 6j | 9 | Si | 6j | 2.47 | . |
8 | Si | 6j | 9 | Si | 6j | 3.05 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1222 |