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HEAS Data Platform · Materials Science Database

MP-ID: mp-1018065 · Space group: Amm2 (#38)

Basic Information

Formula
DyFeC2
MP-ID
mp-1018065
Elements
3
Sites
4
Density
8.2547
g/cm³
Volume
48.76
ų
Cell a
3.6123
Å
Cell b
3.7435
Å
Cell c
3.7435
Å
α Angle
105.61
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Amm2
Point Group
mm2
Crystal System
Orthorhombic
Bravais Lattice
oC
Stability
Yes
Packing Fraction
-

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
24.65 3.6123 15.6 (1,0,0)
24.69 3.6055 33.3 (0,1,0)
24.69 3.6055 33.3 (0,0,1)
29.97 2.9820 46.2 (0,1,-1)
35.17 2.5519 100.0 (1,1,0)
35.17 2.5519 100.0 (1,0,1)
39.17 2.2996 45.4 (1,1,-1)
39.83 2.2631 35.2 (0,1,1)
47.40 1.9178 11.5 (1,1,1)
50.12 1.8202 15.4 (0,2,-1)
50.12 1.8202 15.4 (0,1,-2)
50.53 1.8061 21.9 (2,0,0)
50.64 1.8027 14.6 (0,2,0)
50.64 1.8027 14.6 (0,0,2)
56.62 1.6255 12.6 (1,2,-1)
56.62 1.6255 12.6 (1,1,-2)
57.03 1.6149 7.3 (2,1,0)
57.03 1.6149 7.3 (2,0,1)
57.10 1.6130 12.2 (1,2,0)
57.10 1.6130 12.2 (1,0,2)
59.87 1.5449 13.8 (2,1,-1)
62.27 1.4910 3.7 (0,2,-2)
63.62 1.4627 3.3 (0,2,1)
63.62 1.4627 3.3 (0,1,2)
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Energy Properties

Formation Energy/atom
-0.26032
eV/atom
Energy/atom
-8.14791
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-16.8647
eV/atom
Volume/atom
12.19
ų
c/a Ratio
1.0363

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
1.7515
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.035920
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
C · 0.500
Element Family
Metalloid-Nonmetal
Solute Fraction
0.500
Interstitial Fraction
0.500
Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.0397
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
8.6442
J/mol·K
Ω Parameter
0.9627
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
35.717%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.5560
smaller = more stable mixing
VEC
6.500
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-25.000
kJ/mol; negative = exothermic mixing
Entropy Norm
0.9464
SS Former
0
Phase Tendency
AM

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1018065
Reference Citation

The crystal structure and related material properties of DyFeC2 were obtained from the Materials Project database (MP-ID: mp-1018065, database version v2026.04.13).

Literature Citation

Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_DyFeC2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.61228757
_cell_length_b   3.74350273
_cell_length_c   3.74349988
_cell_angle_alpha   105.60853648
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   DyFeC2
_chemical_formula_sum   'Dy1 Fe1 C2'
_cell_volume   48.75507386
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Dy  Dy0  1  -0.00000000  0.99166946  0.00832954  1.0
  Fe  Fe1  1  0.50000000  0.39185361  0.60814639  1.0
  C  C2  1  0.50000000  0.85625061  0.45477468  1.0
  C  C3  1  0.50000000  0.54522532  0.14375039  1.0
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