Crystal system |
tetragonal |
Space group number |
139 |
Hermann-Mauguin |
I4/mmm |
Hall |
-I 4 2 |
Point group |
4/mmm |
Normalized formula |
CrSi2 |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
6 |
The number of inequivalent sites per unit cell |
2 |
Structure search |
MP |
a (Å) |
3.0824 |
b (Å) |
3.0824 |
c (Å) |
7.5342 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
71.581 |
Density (g/cm3) |
5.019 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-374.2 meV/atom |
Formation energy above hull |
0 meV, (stable) |
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 | 2a | 0.000000 | 0.000000 | 0.000000 | -0.00 | . | . |
2 | Cr | 2a | 0.500000 | 0.500000 | 0.500000 | 0.00 | . | . |
3 | Si | 4e | 0.500000 | 0.500000 | 0.162951 | 0.00 | . | . |
4 | Si | 4e | 0.000000 | 0.000000 | 0.337049 | 0.00 | . | . |
5 | Si | 4e | 0.000000 | 0.000000 | 0.662951 | 0.00 | . | . |
6 | Si | 4e | 0.500000 | 0.500000 | 0.837049 | 0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Cr | 2a | 2 | Cr | 2a | 4.35 | . |
1 | Cr | 2a | 3 | Si | 4e | 2.50 | . |
1 | Cr | 2a | 4 | Si | 4e | 2.54 | . |
1 | Cr | 2a | 5 | Si | 4e | 2.54 | . |
1 | Cr | 2a | 6 | Si | 4e | 2.50 | . |
2 | Cr | 2a | 3 | Si | 4e | 2.54 | . |
2 | Cr | 2a | 4 | Si | 4e | 2.50 | . |
2 | Cr | 2a | 5 | Si | 4e | 2.50 | . |
2 | Cr | 2a | 6 | Si | 4e | 2.54 | . |
3 | Si | 4e | 4 | Si | 4e | 2.54 | . |
3 | Si | 4e | 5 | Si | 4e | 4.35 | . |
3 | Si | 4e | 6 | Si | 4e | 2.46 | . |
4 | Si | 4e | 5 | Si | 4e | 2.46 | . |
4 | Si | 4e | 6 | Si | 4e | 4.35 | . |
5 | Si | 4e | 6 | Si | 4e | 2.54 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-8937 |