Crystal system |
trigonal |
Space group number |
164 |
Hermann-Mauguin |
P-3m1 |
Hall |
-P 3 2" |
Point group |
-3m |
Normalized formula |
Fe2CuN2 |
The number of formula units per unit cell |
1 |
The total number of atoms per unit cell |
5 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
MP |
a (Å) |
2.9753 |
b (Å) |
2.9753 |
c (Å) |
6.8938 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
52.849 |
Density (g/cm3) |
6.386 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
102.8 meV/atom |
Formation energy above hull |
|
Compounds with the same formula: Fe2CuN2 |
2 entries found |
Compounds with the same elements: Fe-Cu-N |
3 entries found |
Binary compounds in Fe-Cu system |
7 entries found |
Binary compounds in Fe-N system |
38 entries found |
Binary compounds in Cu-N system |
No 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 | Fe | 2d | 0.333333 | 0.666667 | 0.159904 | 0.00 | . | . |
2 | Fe | 2d | 0.666667 | 0.333333 | 0.840096 | 0.00 | . | . |
3 | Cu | 1b | 0.000000 | 0.000000 | 0.500000 | 0.00 | . | . |
4 | N | 2c | 0.000000 | 0.000000 | 0.772594 | -0.00 | . | . |
5 | N | 2c | 0.000000 | 0.000000 | 0.227406 | -0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Fe | 2d | 2 | Fe | 2d | 2.79 | . |
1 | Fe | 2d | 3 | Cu | 1b | 2.91 | . |
1 | Fe | 2d | 4 | N | 2c | 3.17 | . |
1 | Fe | 2d | 5 | N | 2c | 1.78 | . |
2 | Fe | 2d | 3 | Cu | 1b | 2.91 | . |
2 | Fe | 2d | 4 | N | 2c | 1.78 | . |
2 | Fe | 2d | 5 | N | 2c | 3.17 | . |
3 | Cu | 1b | 4 | N | 2c | 1.88 | . |
3 | Cu | 1b | 5 | N | 2c | 1.88 | . |
4 | N | 2c | 5 | N | 2c | 3.14 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1246758 |