Material:

CoS2

ID:

MMD-1452

Explore database:

Compounds with the same formula: CoS2 (4 entries found)
Compounds with the same elements: Co-S (12 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

trigonal

Space group number

166

Hermann-Mauguin

R-3m

Hall

-R 3 2"

Point group

-3m

Structure data:

Normalized formula

CoS2

The number of formula units per unit cell

3

The total number of atoms per unit cell

9

The number of inequivalent sites per unit cell

2

Structure search

MP

Lattice parameters:

a (Å)

3.2097

b (Å)

3.2097

c (Å)

21.3004

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

120.000

Volume (Å3)

190.044

Density (g/cm3)

3.226

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-262.3 meV/atom

Formation energy above hull

105.3 meV/atom

Phase diagram:

Phase diagram

Related structures:

Compounds with the same formula: CoS2

4 entries found

Compounds with the same elements: Co-S

12 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

0.54 μB/cell

Averaged magnetic moment

0.06 μB/atom

Magnetic polarization, Js = μ0Ms

0.03 T (= 23.9 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic easy axis

Magnetic hardness parameter, κ

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Co 3a 0.000000 0.000000 0.000000 0.14 . .
2 Co 3a 0.666667 0.333333 0.333333 0.13 . .
3 Co 3a 0.333333 0.666667 0.666667 0.13 . .
4 S 6c 0.333333 0.666667 0.059593 0.01 . .
5 S 6c 0.333333 0.666667 0.273740 0.01 . .
6 S 6c 0.000000 0.000000 0.392927 0.01 . .
7 S 6c 0.000000 0.000000 0.607073 0.01 . .
8 S 6c 0.666667 0.333333 0.726260 0.01 . .
9 S 6c 0.666667 0.333333 0.940407 0.01 . .
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 Co 3a 2 Co 3a 7.34 .
1 Co 3a 3 Co 3a 7.34 .
1 Co 3a 4 S 6c 2.25 .
1 Co 3a 5 S 6c 6.12 .
1 Co 3a 6 S 6c 8.37 .
1 Co 3a 7 S 6c 8.37 .
1 Co 3a 8 S 6c 6.12 .
1 Co 3a 9 S 6c 2.25 .
2 Co 3a 3 Co 3a 7.34 .
2 Co 3a 4 S 6c 6.12 .
2 Co 3a 5 S 6c 2.25 .
2 Co 3a 6 S 6c 2.25 .
2 Co 3a 7 S 6c 6.12 .
2 Co 3a 8 S 6c 8.37 .
2 Co 3a 9 S 6c 8.37 .
3 Co 3a 4 S 6c 8.37 .
3 Co 3a 5 S 6c 8.37 .
3 Co 3a 6 S 6c 6.12 .
3 Co 3a 7 S 6c 2.25 .
3 Co 3a 8 S 6c 2.25 .
3 Co 3a 9 S 6c 6.12 .
4 S 6c 5 S 6c 4.56 .
4 S 6c 6 S 6c 7.34 .
4 S 6c 7 S 6c 9.82 .
4 S 6c 8 S 6c 7.34 .
4 S 6c 9 S 6c 3.14 .
5 S 6c 6 S 6c 3.14 .
5 S 6c 7 S 6c 7.34 .
5 S 6c 8 S 6c 9.82 .
5 S 6c 9 S 6c 7.34 .
6 S 6c 7 S 6c 4.56 .
6 S 6c 8 S 6c 7.34 .
6 S 6c 9 S 6c 9.82 .
7 S 6c 8 S 6c 3.14 .
7 S 6c 9 S 6c 7.34 .
8 S 6c 9 S 6c 4.56 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
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Terms and conditions

Pair-resolved magnetic exchange parameters:


Diagram is not available for this entry.

Individual exchange parameters:


Diagram is not available for this entry.

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (None, None, None) 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: mvc-11233
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