IrC
传统材料 TRAMP-ID: mp-1001824 · Space group: Fm-3m (#225)
Basic Information
Formula
IrC
MP-ID
mp-1001824
Elements
2
Sites
2
Density
15.8514
g/cm³
Volume
21.39
ų
Cell a
3.1161
Å
Cell b
3.1161
Å
Cell c
3.1161
Å
α Angle
60.00
°
β Angle
60.00
°
γ Angle
60.00
°
Space Group
Fm-3m
Point Group
m-3m
Crystal System
Cubic
Bravais Lattice
cF
Stability
No
Packing Fraction
0.7405
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 6)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 35.28 | 2.5442 | 100.0 | (1,1,1) |
| 40.96 | 2.2034 | 62.1 | (1,1,0) |
| 59.31 | 1.5580 | 41.7 | (2,1,1) |
| 70.93 | 1.3287 | 41.7 | (2,2,1) |
| 74.60 | 1.2721 | 14.2 | (2,2,2) |
| 88.82 | 1.1017 | 7.1 | (2,2,0) |
Energy Properties
Formation Energy/atom
1.42451
eV/atom
Energy/atom
-29.72879
eV/atom
Energy above Hull
1.4245
eV/atom
Uncorrected Energy
-7.6090
eV/atom
Volume/atom
10.70
ų
c/a Ratio
1.0000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
0.5131
μB
Mag. Ordering
FM
Mag. Sites
1
Magnetization/Volume
0.023980
μB/ų
Elastic Properties
KVRH
313.324
GPa
GVRH
-669.869
GPa
Young's Modulus E
-
GPa
Poisson Ratio ν
-
Pugh Ratio K/G
-0.468
Vickers Hardness Est.
-
GPa
Ductility
Ductile
Anisotropy
-4.868
Lame λ
759.903
GPa
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Ir · 0.500
Element Family
N/A
Solute Fraction
0.500
Interstitial Fraction
0.500
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.424
Family
Binary Alloy
Matrix Element
Ir · 0.500
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1001824
Reference Citation
The crystal structure and related material properties of IrC were obtained from the Materials Project database (MP-ID: mp-1001824, 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
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Raw CIF Data
# generated using pymatgen
data_IrC
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 3.11604705
_cell_length_b 3.11604705
_cell_length_c 3.11604705
_cell_angle_alpha 60.00000000
_cell_angle_beta 60.00000000
_cell_angle_gamma 60.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural IrC
_chemical_formula_sum 'Ir1 C1'
_cell_volume 21.39424782
_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
Ir Ir0 1 0.00000000 0.00000000 0.00000000 1.0
C C1 1 0.50000000 0.50000000 0.50000000 1.0
