Crystal system |
hexagonal |
Space group number |
194 |
Hermann-Mauguin |
P6_3/mmc |
Hall |
-P 6c 2c |
Point group |
6/mmm |
Normalized formula |
Ti2Co3Si |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
12 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
MP |
a (Å) |
4.8309 |
b (Å) |
4.8309 |
c (Å) |
7.3675 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
148.904 |
Density (g/cm3) |
6.705 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-611.9 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: Ti2Co3Si |
1 entry found |
Compounds with the same elements: Ti-Co-Si |
6 entries found |
Binary compounds in Ti-Co system |
7 entries found |
Binary compounds in Ti-Si system |
No entries found |
Binary compounds in Co-Si system |
17 entries found |
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 | Ti | 4f | 0.333333 | 0.666667 | 0.941913 | 0.00 | . | . |
2 | Ti | 4f | 0.666667 | 0.333333 | 0.058087 | 0.00 | . | . |
3 | Ti | 4f | 0.666667 | 0.333333 | 0.441913 | 0.00 | . | . |
4 | Ti | 4f | 0.333333 | 0.666667 | 0.558087 | 0.00 | . | . |
5 | Co | 6h | 0.829031 | 0.170969 | 0.750000 | -0.00 | . | . |
6 | Co | 6h | 0.829031 | 0.658062 | 0.750000 | -0.00 | . | . |
7 | Co | 6h | 0.341938 | 0.170969 | 0.750000 | -0.00 | . | . |
8 | Co | 6h | 0.170969 | 0.829031 | 0.250000 | -0.00 | . | . |
9 | Co | 6h | 0.170969 | 0.341938 | 0.250000 | -0.00 | . | . |
10 | Co | 6h | 0.658062 | 0.829031 | 0.250000 | -0.00 | . | . |
11 | Si | 2a | 0.000000 | 0.000000 | 0.000000 | -0.00 | . | . |
12 | Si | 2a | 0.000000 | 0.000000 | 0.500000 | -0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Ti | 4f | 2 | Ti | 4f | 2.92 | . |
1 | Ti | 4f | 3 | Ti | 4f | 4.62 | . |
1 | Ti | 4f | 4 | Ti | 4f | 2.83 | . |
1 | Ti | 4f | 5 | Co | 6h | 2.80 | . |
1 | Ti | 4f | 6 | Co | 6h | 2.80 | . |
1 | Ti | 4f | 7 | Co | 6h | 2.80 | . |
1 | Ti | 4f | 8 | Co | 6h | 2.65 | . |
1 | Ti | 4f | 9 | Co | 6h | 2.65 | . |
1 | Ti | 4f | 10 | Co | 6h | 2.65 | . |
1 | Ti | 4f | 11 | Si | 2a | 2.82 | . |
1 | Ti | 4f | 12 | Si | 2a | 4.29 | . |
2 | Ti | 4f | 3 | Ti | 4f | 2.83 | . |
2 | Ti | 4f | 4 | Ti | 4f | 4.62 | . |
2 | Ti | 4f | 5 | Co | 6h | 2.65 | . |
2 | Ti | 4f | 6 | Co | 6h | 2.65 | . |
2 | Ti | 4f | 7 | Co | 6h | 2.65 | . |
2 | Ti | 4f | 8 | Co | 6h | 2.80 | . |
2 | Ti | 4f | 9 | Co | 6h | 2.80 | . |
2 | Ti | 4f | 10 | Co | 6h | 2.80 | . |
2 | Ti | 4f | 11 | Si | 2a | 2.82 | . |
2 | Ti | 4f | 12 | Si | 2a | 4.29 | . |
3 | Ti | 4f | 4 | Ti | 4f | 2.92 | . |
3 | Ti | 4f | 5 | Co | 6h | 2.65 | . |
3 | Ti | 4f | 6 | Co | 6h | 2.65 | . |
3 | Ti | 4f | 7 | Co | 6h | 2.65 | . |
3 | Ti | 4f | 8 | Co | 6h | 2.80 | . |
3 | Ti | 4f | 9 | Co | 6h | 2.80 | . |
3 | Ti | 4f | 10 | Co | 6h | 2.80 | . |
3 | Ti | 4f | 11 | Si | 2a | 4.29 | . |
3 | Ti | 4f | 12 | Si | 2a | 2.82 | . |
4 | Ti | 4f | 5 | Co | 6h | 2.80 | . |
4 | Ti | 4f | 6 | Co | 6h | 2.80 | . |
4 | Ti | 4f | 7 | Co | 6h | 2.80 | . |
4 | Ti | 4f | 8 | Co | 6h | 2.65 | . |
4 | Ti | 4f | 9 | Co | 6h | 2.65 | . |
4 | Ti | 4f | 10 | Co | 6h | 2.65 | . |
4 | Ti | 4f | 11 | Si | 2a | 4.29 | . |
4 | Ti | 4f | 12 | Si | 2a | 2.82 | . |
5 | Co | 6h | 6 | Co | 6h | 2.35 | . |
5 | Co | 6h | 7 | Co | 6h | 2.35 | . |
5 | Co | 6h | 8 | Co | 6h | 4.60 | . |
5 | Co | 6h | 9 | Co | 6h | 3.95 | . |
5 | Co | 6h | 10 | Co | 6h | 3.95 | . |
5 | Co | 6h | 11 | Si | 2a | 2.33 | . |
5 | Co | 6h | 12 | Si | 2a | 2.33 | . |
6 | Co | 6h | 7 | Co | 6h | 2.35 | . |
6 | Co | 6h | 8 | Co | 6h | 3.95 | . |
6 | Co | 6h | 9 | Co | 6h | 4.60 | . |
6 | Co | 6h | 10 | Co | 6h | 3.95 | . |
6 | Co | 6h | 11 | Si | 2a | 2.33 | . |
6 | Co | 6h | 12 | Si | 2a | 2.33 | . |
7 | Co | 6h | 8 | Co | 6h | 3.95 | . |
7 | Co | 6h | 9 | Co | 6h | 3.95 | . |
7 | Co | 6h | 10 | Co | 6h | 4.60 | . |
7 | Co | 6h | 11 | Si | 2a | 2.33 | . |
7 | Co | 6h | 12 | Si | 2a | 2.33 | . |
8 | Co | 6h | 9 | Co | 6h | 2.35 | . |
8 | Co | 6h | 10 | Co | 6h | 2.35 | . |
8 | Co | 6h | 11 | Si | 2a | 2.33 | . |
8 | Co | 6h | 12 | Si | 2a | 2.33 | . |
9 | Co | 6h | 10 | Co | 6h | 2.35 | . |
9 | Co | 6h | 11 | Si | 2a | 2.33 | . |
9 | Co | 6h | 12 | Si | 2a | 2.33 | . |
10 | Co | 6h | 11 | Si | 2a | 2.33 | . |
10 | Co | 6h | 12 | Si | 2a | 2.33 | . |
11 | Si | 2a | 12 | Si | 2a | 3.68 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1217162 |