Material:

Mn2CoAs

ID:

MMD-2455

Explore database:

Compounds with the same formula: Mn2CoAs (1 entry found)
Compounds with the same elements: Mn-Co-As (2 entries found)
Navigation:
Space group | Lattice parameters | Thermodynamic properties | Phase diagram | Magnetic properties | Atomic positions and site-specific magnetic data | Pair-wise magnetic data | Methods | References

Space group:

Crystal system

cubic

Space group number

216

Hermann-Mauguin

F-43m

Hall

F -4 2 3

Point group

-43m

Structure data:

Normalized formula

Mn2CoAs

The number of formula units per unit cell

4

The total number of atoms per unit cell

16

The number of inequivalent sites per unit cell

4

Structure search

MP

Lattice parameters:

a (Å)

5.7460

b (Å)

5.7460

c (Å)

5.7460

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

189.708

Density (g/cm3)

8.534

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-43.7 meV/atom

Formation energy above hull

Phase diagram:

Phase diagram
The convex hull is temporarily not available while we perform maintenance.

Related structures:

Compounds with the same formula: Mn2CoAs

1 entry found

Compounds with the same elements: Mn-Co-As

2 entries found

Binary compounds in Mn-Co system

4 entries found

Binary compounds in Mn-As system

10 entries found

Binary compounds in Co-As system

9 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

16.00 μB/cell

Averaged magnetic moment

1.00 μB/atom

Magnetic polarization, Js = μ0Ms

0.98 T (= 779.9 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Kd-a

-0.00 MJ/m3 (= -0.00 meV/cell)

Magnetic easy axis

<111>

Magnetic hardness parameter, κ

0.04

Atomic positions (fractional coordinates) and site-specific magnetic data:

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Mn 4a 0.000000 0.000000 0.000000 0.01 . .
2 Mn 4a 0.750000 0.250000 0.750000 2.79 . .
3 Mn 4a 0.000000 0.500000 0.500000 0.01 . .
4 Mn 4a 0.750000 0.750000 0.250000 2.79 . .
5 Mn 4c 0.500000 0.000000 0.500000 0.01 . .
6 Mn 4c 0.250000 0.250000 0.250000 2.79 . .
7 Mn 4c 0.500000 0.500000 0.000000 0.01 . .
8 Mn 4c 0.250000 0.750000 0.750000 2.79 . .
9 Co 4b 0.000000 0.000000 0.500000 1.09 . .
10 Co 4b 0.000000 0.500000 0.000000 1.09 . .
11 Co 4b 0.500000 0.000000 0.000000 1.09 . .
12 Co 4b 0.500000 0.500000 0.500000 1.09 . .
13 As 4d 0.750000 0.750000 0.750000 0.04 . .
14 As 4d 0.750000 0.250000 0.250000 0.04 . .
15 As 4d 0.250000 0.750000 0.250000 0.04 . .
16 As 4d 0.250000 0.250000 0.750000 0.04 . .
w: site multiplicity (the number of equivalent positions) and Wyckoff letter (a label for site symmetry)
m: local magnetic moment
Esoc100 (001): Spin-orbit coupling energy for the magnetization oriented along the crystallographic a (c) axis
(Individual Esoc values are temporarily not available while we perform maintenance.)
Terms and conditions

Site-resolved magnetic moments:

Local magnetic moments

Pair-wise magnetic data:

site i site j distance (Å) Jij (meV)
1 Mn 4a 2 Mn 4a 2.49 .
1 Mn 4a 3 Mn 4a 4.06 .
1 Mn 4a 4 Mn 4a 2.49 .
1 Mn 4a 5 Mn 4c 4.06 .
1 Mn 4a 6 Mn 4c 2.49 .
1 Mn 4a 7 Mn 4c 4.06 .
1 Mn 4a 8 Mn 4c 2.49 .
1 Mn 4a 9 Co 4b 2.87 .
1 Mn 4a 10 Co 4b 2.87 .
1 Mn 4a 11 Co 4b 2.87 .
1 Mn 4a 12 Co 4b 4.98 .
1 Mn 4a 13 As 4d 2.49 .
1 Mn 4a 14 As 4d 2.49 .
1 Mn 4a 15 As 4d 2.49 .
1 Mn 4a 16 As 4d 2.49 .
2 Mn 4a 3 Mn 4a 2.49 .
2 Mn 4a 4 Mn 4a 4.06 .
2 Mn 4a 5 Mn 4c 2.49 .
2 Mn 4a 6 Mn 4c 4.06 .
2 Mn 4a 7 Mn 4c 2.49 .
2 Mn 4a 8 Mn 4c 4.06 .
2 Mn 4a 9 Co 4b 2.49 .
2 Mn 4a 10 Co 4b 2.49 .
2 Mn 4a 11 Co 4b 2.49 .
2 Mn 4a 12 Co 4b 2.49 .
2 Mn 4a 13 As 4d 2.87 .
2 Mn 4a 14 As 4d 2.87 .
2 Mn 4a 15 As 4d 4.98 .
2 Mn 4a 16 As 4d 2.87 .
3 Mn 4a 4 Mn 4a 2.49 .
3 Mn 4a 5 Mn 4c 4.06 .
3 Mn 4a 6 Mn 4c 2.49 .
3 Mn 4a 7 Mn 4c 4.06 .
3 Mn 4a 8 Mn 4c 2.49 .
3 Mn 4a 9 Co 4b 2.87 .
3 Mn 4a 10 Co 4b 2.87 .
3 Mn 4a 11 Co 4b 4.98 .
3 Mn 4a 12 Co 4b 2.87 .
3 Mn 4a 13 As 4d 2.49 .
3 Mn 4a 14 As 4d 2.49 .
3 Mn 4a 15 As 4d 2.49 .
3 Mn 4a 16 As 4d 2.49 .
4 Mn 4a 5 Mn 4c 2.49 .
4 Mn 4a 6 Mn 4c 4.06 .
4 Mn 4a 7 Mn 4c 2.49 .
4 Mn 4a 8 Mn 4c 4.06 .
4 Mn 4a 9 Co 4b 2.49 .
4 Mn 4a 10 Co 4b 2.49 .
4 Mn 4a 11 Co 4b 2.49 .
4 Mn 4a 12 Co 4b 2.49 .
4 Mn 4a 13 As 4d 2.87 .
4 Mn 4a 14 As 4d 2.87 .
4 Mn 4a 15 As 4d 2.87 .
4 Mn 4a 16 As 4d 4.98 .
5 Mn 4c 6 Mn 4c 2.49 .
5 Mn 4c 7 Mn 4c 4.06 .
5 Mn 4c 8 Mn 4c 2.49 .
5 Mn 4c 9 Co 4b 2.87 .
5 Mn 4c 10 Co 4b 4.98 .
5 Mn 4c 11 Co 4b 2.87 .
5 Mn 4c 12 Co 4b 2.87 .
5 Mn 4c 13 As 4d 2.49 .
5 Mn 4c 14 As 4d 2.49 .
5 Mn 4c 15 As 4d 2.49 .
5 Mn 4c 16 As 4d 2.49 .
6 Mn 4c 7 Mn 4c 2.49 .
6 Mn 4c 8 Mn 4c 4.06 .
6 Mn 4c 9 Co 4b 2.49 .
6 Mn 4c 10 Co 4b 2.49 .
6 Mn 4c 11 Co 4b 2.49 .
6 Mn 4c 12 Co 4b 2.49 .
6 Mn 4c 13 As 4d 4.98 .
6 Mn 4c 14 As 4d 2.87 .
6 Mn 4c 15 As 4d 2.87 .
6 Mn 4c 16 As 4d 2.87 .
7 Mn 4c 8 Mn 4c 2.49 .
7 Mn 4c 9 Co 4b 4.98 .
7 Mn 4c 10 Co 4b 2.87 .
7 Mn 4c 11 Co 4b 2.87 .
7 Mn 4c 12 Co 4b 2.87 .
7 Mn 4c 13 As 4d 2.49 .
7 Mn 4c 14 As 4d 2.49 .
7 Mn 4c 15 As 4d 2.49 .
7 Mn 4c 16 As 4d 2.49 .
8 Mn 4c 9 Co 4b 2.49 .
8 Mn 4c 10 Co 4b 2.49 .
8 Mn 4c 11 Co 4b 2.49 .
8 Mn 4c 12 Co 4b 2.49 .
8 Mn 4c 13 As 4d 2.87 .
8 Mn 4c 14 As 4d 4.98 .
8 Mn 4c 15 As 4d 2.87 .
8 Mn 4c 16 As 4d 2.87 .
9 Co 4b 10 Co 4b 4.06 .
9 Co 4b 11 Co 4b 4.06 .
9 Co 4b 12 Co 4b 4.06 .
9 Co 4b 13 As 4d 2.49 .
9 Co 4b 14 As 4d 2.49 .
9 Co 4b 15 As 4d 2.49 .
9 Co 4b 16 As 4d 2.49 .
10 Co 4b 11 Co 4b 4.06 .
10 Co 4b 12 Co 4b 4.06 .
10 Co 4b 13 As 4d 2.49 .
10 Co 4b 14 As 4d 2.49 .
10 Co 4b 15 As 4d 2.49 .
10 Co 4b 16 As 4d 2.49 .
11 Co 4b 12 Co 4b 4.06 .
11 Co 4b 13 As 4d 2.49 .
11 Co 4b 14 As 4d 2.49 .
11 Co 4b 15 As 4d 2.49 .
11 Co 4b 16 As 4d 2.49 .
12 Co 4b 13 As 4d 2.49 .
12 Co 4b 14 As 4d 2.49 .
12 Co 4b 15 As 4d 2.49 .
12 Co 4b 16 As 4d 2.49 .
13 As 4d 14 As 4d 4.06 .
13 As 4d 15 As 4d 4.06 .
13 As 4d 16 As 4d 4.06 .
14 As 4d 15 As 4d 4.06 .
14 As 4d 16 As 4d 4.06 .
15 As 4d 16 As 4d 4.06 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
Export data (under construction)
  • csv
  • json
  • yaml
Terms and conditions

Pair-resolved magnetic exchange parameters:

Exchange coupling parameters

Individual exchange parameters:

Exchange coupling parameters

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (10, 10, 10) for magnetic anisotropy calculations
  • package: QE (v6.3)

LMTO-GF calculations

  • k-point grid: (kx, ky, kz) =
  • energy mesh: 41 points on an elliptical contour
  • package: Questaal (v7)

References:

References

Materials Project: mp-1017515
You can download and use the data of this database for your scientific work, provided that you express proper acknowledgements: