Crystal system |
monoclinic |
Space group number |
6 |
Hermann-Mauguin |
Pm |
Hall |
P -2y |
Point group |
m |
Normalized formula |
Fe3NiAs4 |
The number of formula units per unit cell |
1 |
The total number of atoms per unit cell |
8 |
The number of inequivalent sites per unit cell |
8 |
Structure search |
MP |
a (Å) |
5.2628 |
b (Å) |
3.4686 |
c (Å) |
5.9230 |
α (deg.) |
90.000 |
β (deg.) |
90.224 |
γ (deg.) |
90.000 |
Volume (Å3) |
108.119 |
Density (g/cm3) |
8.077 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-213.9 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: Fe3NiAs4 |
1 entry found |
Compounds with the same elements: Fe-Ni-As |
5 entries found |
Binary compounds in Fe-Ni system |
17 entries found |
Binary compounds in Fe-As system |
4 entries found |
Binary compounds in Ni-As system |
9 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 | 1b | 0.999621 | 0.500000 | 0.799899 | 0.01 | . | . |
2 | Fe | 1a | 0.496668 | 0.000000 | 0.293397 | -0.01 | . | . |
3 | Fe | 1a | 0.997218 | 0.000000 | 0.200728 | -0.01 | . | . |
4 | Ni | 1b | 0.502836 | 0.500000 | 0.700674 | 0.00 | . | . |
5 | As | 1b | 0.707465 | 0.500000 | 0.091826 | 0.00 | . | . |
6 | As | 1b | 0.195961 | 0.500000 | 0.413092 | 0.00 | . | . |
7 | As | 1a | 0.291702 | 0.000000 | 0.920596 | 0.00 | . | . |
8 | As | 1a | 0.808528 | 0.000000 | 0.579789 | 0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Fe | 1b | 2 | Fe | 1a | 4.28 | . |
1 | Fe | 1b | 3 | Fe | 1a | 2.94 | . |
1 | Fe | 1b | 4 | Ni | 1b | 2.68 | . |
1 | Fe | 1b | 5 | As | 1b | 2.32 | . |
1 | Fe | 1b | 6 | As | 1b | 2.52 | . |
1 | Fe | 1b | 7 | As | 1a | 2.42 | . |
1 | Fe | 1b | 8 | As | 1a | 2.39 | . |
2 | Fe | 1a | 3 | Fe | 1a | 2.68 | . |
2 | Fe | 1a | 4 | Ni | 1b | 2.97 | . |
2 | Fe | 1a | 5 | As | 1b | 2.38 | . |
2 | Fe | 1a | 6 | As | 1b | 2.45 | . |
2 | Fe | 1a | 7 | As | 1a | 2.45 | . |
2 | Fe | 1a | 8 | As | 1a | 2.36 | . |
3 | Fe | 1a | 4 | Ni | 1b | 4.30 | . |
3 | Fe | 1a | 5 | As | 1b | 2.40 | . |
3 | Fe | 1a | 6 | As | 1b | 2.38 | . |
3 | Fe | 1a | 7 | As | 1a | 2.27 | . |
3 | Fe | 1a | 8 | As | 1a | 2.46 | . |
4 | Ni | 1b | 5 | As | 1b | 2.55 | . |
4 | Ni | 1b | 6 | As | 1b | 2.34 | . |
4 | Ni | 1b | 7 | As | 1a | 2.44 | . |
4 | Ni | 1b | 8 | As | 1a | 2.47 | . |
5 | As | 1b | 6 | As | 1b | 3.19 | . |
5 | As | 1b | 7 | As | 1a | 2.97 | . |
5 | As | 1b | 8 | As | 1a | 3.41 | . |
6 | As | 1b | 7 | As | 1a | 3.43 | . |
6 | As | 1b | 8 | As | 1a | 2.86 | . |
7 | As | 1a | 8 | As | 1a | 3.24 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1224770 |