Material:

ScNiC2

ID:

MMD-3118

Explore database:

Compounds with the same formula: ScNiC2 (1 entry found)
Compounds with the same elements: Sc-Ni-C (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

tetragonal

Space group number

129

Hermann-Mauguin

P4/nmm

Hall

P 4ab 2ab -1ab

Point group

4/mmm

Structure data:

Normalized formula

ScNiC2

The number of formula units per unit cell

2

The total number of atoms per unit cell

8

The number of inequivalent sites per unit cell

4

Structure search

MP


Lattice parameters:

a (Å)

3.3734

b (Å)

3.3734

c (Å)

7.2526

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

82.533

Density (g/cm3)

5.137

Crystal structure visualization:


Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-355.2 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: ScNiC2

1 entry found

Compounds with the same elements: Sc-Ni-C

2 entries found

Binary compounds in Sc-Ni system

7 entries found

Binary compounds in Sc-C system

No entries found

Binary compounds in Ni-C system

1 entry 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 Sc 2c 0.000000 0.500000 0.657202 -0.00 . .
2 Sc 2c 0.500000 0.000000 0.342798 -0.00 . .
3 Ni 2a 0.000000 0.000000 0.000000 0.00 . .
4 Ni 2a 0.500000 0.500000 0.000000 0.00 . .
5 C 2c 0.000000 0.500000 0.163949 0.00 . .
6 C 2c 0.500000 0.000000 0.836051 0.00 . .
7 C 2c 0.000000 0.500000 0.353512 0.00 . .
8 C 2c 0.500000 0.000000 0.646488 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.)

Site-resolved magnetic moments:

Local magnetic moments

Pair-wise magnetic data:

site i site j distance (Å) Jij (meV)
1 Sc 2c 2 Sc 2c 3.30 .
1 Sc 2c 3 Ni 2a 3.00 .
1 Sc 2c 4 Ni 2a 3.00 .
1 Sc 2c 5 C 2c 3.58 .
1 Sc 2c 6 C 2c 2.72 .
1 Sc 2c 7 C 2c 2.20 .
1 Sc 2c 8 C 2c 2.39 .
2 Sc 2c 3 Ni 2a 3.00 .
2 Sc 2c 4 Ni 2a 3.00 .
2 Sc 2c 5 C 2c 2.72 .
2 Sc 2c 6 C 2c 3.58 .
2 Sc 2c 7 C 2c 2.39 .
2 Sc 2c 8 C 2c 2.20 .
3 Ni 2a 4 Ni 2a 2.39 .
3 Ni 2a 5 C 2c 2.06 .
3 Ni 2a 6 C 2c 2.06 .
3 Ni 2a 7 C 2c 3.07 .
3 Ni 2a 8 C 2c 3.07 .
4 Ni 2a 5 C 2c 2.06 .
4 Ni 2a 6 C 2c 2.06 .
4 Ni 2a 7 C 2c 3.07 .
4 Ni 2a 8 C 2c 3.07 .
5 C 2c 6 C 2c 3.37 .
5 C 2c 7 C 2c 1.37 .
5 C 2c 8 C 2c 4.24 .
6 C 2c 7 C 2c 4.24 .
6 C 2c 8 C 2c 1.37 .
7 C 2c 8 C 2c 3.19 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
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-1086667


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