Material:

CrN2

ID:

MMD-3592

Explore database:

Compounds with the same formula: CrN2 (63 entries found)
Compounds with the same elements: Cr-N (85 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

orthorhombic

Space group number

60

Hermann-Mauguin

Pbcn

Hall

-P 2n 2ab

Point group

mmm

Structure data:

Normalized formula

CrN2

The number of formula units per unit cell

4

The total number of atoms per unit cell

12

The number of inequivalent sites per unit cell

2

Structure search

MP

Lattice parameters:

a (Å)

4.4052

b (Å)

5.5764

c (Å)

4.8177

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

118.349

Density (g/cm3)

4.490

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

257.3 meV/atom

Formation energy above hull

611.1 meV/atom

Phase diagram:

Phase diagram

Related structures:

Compounds with the same formula: CrN2

63 entries found

Compounds with the same elements: Cr-N

85 entries found

Magnetic properties:

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)
Data for the Curie temperature are not available for this entry.
Data for the magnetic anisotropy are not available for this entry.

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Cr 4c 0.000000 0.250000 0.916700 -0.00 . .
2 Cr 4c 0.500000 0.750000 0.583300 -0.00 . .
3 Cr 4c 0.000000 0.750000 0.083300 -0.00 . .
4 Cr 4c 0.500000 0.250000 0.416700 -0.00 . .
5 N 8d 0.280256 0.424744 0.636462 0.00 . .
6 N 8d 0.219744 0.924744 0.863538 0.00 . .
7 N 8d 0.780256 0.575256 0.863538 0.00 . .
8 N 8d 0.719744 0.075256 0.636462 0.00 . .
9 N 8d 0.719744 0.575256 0.363538 0.00 . .
10 N 8d 0.780256 0.075256 0.136462 0.00 . .
11 N 8d 0.219744 0.424744 0.136462 0.00 . .
12 N 8d 0.280256 0.924744 0.363538 0.00 . .
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 Cr 4c 2 Cr 4c 3.90 .
1 Cr 4c 3 Cr 4c 2.90 .
1 Cr 4c 4 Cr 4c 3.26 .
1 Cr 4c 5 N 8d 2.07 .
1 Cr 4c 6 N 8d 2.07 .
1 Cr 4c 7 N 8d 2.07 .
1 Cr 4c 8 N 8d 2.07 .
1 Cr 4c 9 N 8d 3.07 .
1 Cr 4c 10 N 8d 1.73 .
1 Cr 4c 11 N 8d 1.73 .
1 Cr 4c 12 N 8d 3.07 .
2 Cr 4c 3 Cr 4c 3.26 .
2 Cr 4c 4 Cr 4c 2.90 .
2 Cr 4c 5 N 8d 2.07 .
2 Cr 4c 6 N 8d 2.07 .
2 Cr 4c 7 N 8d 2.07 .
2 Cr 4c 8 N 8d 2.07 .
2 Cr 4c 9 N 8d 1.73 .
2 Cr 4c 10 N 8d 3.07 .
2 Cr 4c 11 N 8d 3.07 .
2 Cr 4c 12 N 8d 1.73 .
3 Cr 4c 4 Cr 4c 3.90 .
3 Cr 4c 5 N 8d 3.07 .
3 Cr 4c 6 N 8d 1.73 .
3 Cr 4c 7 N 8d 1.73 .
3 Cr 4c 8 N 8d 3.07 .
3 Cr 4c 9 N 8d 2.07 .
3 Cr 4c 10 N 8d 2.07 .
3 Cr 4c 11 N 8d 2.07 .
3 Cr 4c 12 N 8d 2.07 .
4 Cr 4c 5 N 8d 1.73 .
4 Cr 4c 6 N 8d 3.07 .
4 Cr 4c 7 N 8d 3.07 .
4 Cr 4c 8 N 8d 1.73 .
4 Cr 4c 9 N 8d 2.07 .
4 Cr 4c 10 N 8d 2.07 .
4 Cr 4c 11 N 8d 2.07 .
4 Cr 4c 12 N 8d 2.07 .
5 N 8d 6 N 8d 3.01 .
5 N 8d 7 N 8d 2.60 .
5 N 8d 8 N 8d 2.75 .
5 N 8d 9 N 8d 2.49 .
5 N 8d 10 N 8d 3.80 .
5 N 8d 11 N 8d 2.42 .
5 N 8d 12 N 8d 3.08 .
6 N 8d 7 N 8d 2.75 .
6 N 8d 8 N 8d 2.60 .
6 N 8d 9 N 8d 3.80 .
6 N 8d 10 N 8d 2.49 .
6 N 8d 11 N 8d 3.08 .
6 N 8d 12 N 8d 2.42 .
7 N 8d 8 N 8d 3.01 .
7 N 8d 9 N 8d 2.42 .
7 N 8d 10 N 8d 3.08 .
7 N 8d 11 N 8d 2.49 .
7 N 8d 12 N 8d 3.80 .
8 N 8d 9 N 8d 3.08 .
8 N 8d 10 N 8d 2.42 .
8 N 8d 11 N 8d 3.80 .
8 N 8d 12 N 8d 2.49 .
9 N 8d 10 N 8d 3.01 .
9 N 8d 11 N 8d 2.60 .
9 N 8d 12 N 8d 2.75 .
10 N 8d 11 N 8d 2.75 .
10 N 8d 12 N 8d 2.60 .
11 N 8d 12 N 8d 3.01 .
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: mp-1015582
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