Crystal system |
hexagonal |
Space group number |
194 |
Hermann-Mauguin |
P6_3/mmc |
Hall |
-P 6c 2c |
Point group |
6/mmm |
Normalized formula |
CrCoN2 |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
8 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
MP |
a (Å) |
2.7551 |
b (Å) |
2.7551 |
c (Å) |
9.8795 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
64.944 |
Density (g/cm3) |
7.105 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
6.1 meV/atom |
Formation energy above hull |
|
Compounds with the same formula: CrCoN2 |
1 entry found |
Compounds with the same elements: Cr-Co-N |
5 entries found |
Binary compounds in Cr-Co system |
7 entries found |
Binary compounds in Cr-N system |
85 entries found |
Binary compounds in Co-N system |
183 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 | Cr | 2c | 0.333333 | 0.666667 | 0.250000 | 0.00 | . | . |
2 | Cr | 2c | 0.666667 | 0.333333 | 0.750000 | 0.00 | . | . |
3 | Co | 2a | 0.000000 | 0.000000 | 0.000000 | 0.00 | . | . |
4 | Co | 2a | 0.000000 | 0.000000 | 0.500000 | 0.00 | . | . |
5 | N | 4f | 0.666667 | 0.333333 | 0.126143 | -0.00 | . | . |
6 | N | 4f | 0.333333 | 0.666667 | 0.873857 | -0.00 | . | . |
7 | N | 4f | 0.333333 | 0.666667 | 0.626143 | -0.00 | . | . |
8 | N | 4f | 0.666667 | 0.333333 | 0.373857 | -0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Cr | 2c | 2 | Cr | 2c | 5.19 | . |
1 | Cr | 2c | 3 | Co | 2a | 2.94 | . |
1 | Cr | 2c | 4 | Co | 2a | 2.94 | . |
1 | Cr | 2c | 5 | N | 4f | 2.01 | . |
1 | Cr | 2c | 6 | N | 4f | 3.72 | . |
1 | Cr | 2c | 7 | N | 4f | 3.72 | . |
1 | Cr | 2c | 8 | N | 4f | 2.01 | . |
2 | Cr | 2c | 3 | Co | 2a | 2.94 | . |
2 | Cr | 2c | 4 | Co | 2a | 2.94 | . |
2 | Cr | 2c | 5 | N | 4f | 3.72 | . |
2 | Cr | 2c | 6 | N | 4f | 2.01 | . |
2 | Cr | 2c | 7 | N | 4f | 2.01 | . |
2 | Cr | 2c | 8 | N | 4f | 3.72 | . |
3 | Co | 2a | 4 | Co | 2a | 4.94 | . |
3 | Co | 2a | 5 | N | 4f | 2.02 | . |
3 | Co | 2a | 6 | N | 4f | 2.02 | . |
3 | Co | 2a | 7 | N | 4f | 4.02 | . |
3 | Co | 2a | 8 | N | 4f | 4.02 | . |
4 | Co | 2a | 5 | N | 4f | 4.02 | . |
4 | Co | 2a | 6 | N | 4f | 4.02 | . |
4 | Co | 2a | 7 | N | 4f | 2.02 | . |
4 | Co | 2a | 8 | N | 4f | 2.02 | . |
5 | N | 4f | 6 | N | 4f | 2.96 | . |
5 | N | 4f | 7 | N | 4f | 5.19 | . |
5 | N | 4f | 8 | N | 4f | 2.45 | . |
6 | N | 4f | 7 | N | 4f | 2.45 | . |
6 | N | 4f | 8 | N | 4f | 5.19 | . |
7 | N | 4f | 8 | N | 4f | 2.96 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1247540 |