NbC
Traditional Materials TRAMP-ID: mp-1009459 · Space group: Pm-3m (#221)
Basic Information
Formula
NbC
MP-ID
mp-1009459
Elements
2
Sites
2
Density
7.8819
g/cm³
Volume
22.10
ų
Cell a
2.8064
Å
Cell b
2.8064
Å
Cell c
2.8064
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Pm-3m
Point Group
m-3m
Crystal System
Cubic
Bravais Lattice
cP
Stability
No
Packing Fraction
0.5236
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 |
|---|---|---|---|
| 31.89 | 2.8064 | 90.4 | (1,0,0) |
| 45.72 | 1.9845 | 100.0 | (1,1,0) |
| 56.82 | 1.6203 | 23.7 | (1,1,1) |
| 66.65 | 1.4032 | 15.3 | (2,0,0) |
| 75.79 | 1.2551 | 30.0 | (2,1,0) |
| 84.58 | 1.1457 | 31.3 | (2,1,1) |
Energy Properties
Formation Energy/atom
0.39323
eV/atom
Energy/atom
-16.94743
eV/atom
Energy above Hull
0.9589
eV/atom
Uncorrected Energy
-9.2053
eV/atom
Volume/atom
11.05
ų
c/a Ratio
1.0000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
No
Total Mag. Moment
0.0003
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000010
μB/ų
Elastic Properties
KVRH
275.894
GPa
GVRH
7.781
GPa
Young's Modulus E
23.126
GPa
Poisson Ratio ν
0.486
Pugh Ratio K/G
35.457
Vickers Hardness Est.
-
GPa
Ductility
Brittle
Anisotropy
-11.732
Lame λ
270.707
GPa
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Nb · 0.500
Element Family
N/A
Solute Fraction
0.500
Interstitial Fraction
0.500
Traditional Material Features
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.634
Family
Binary Alloy
Matrix Element
Nb · 0.500
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1009459
Reference Citation
The crystal structure and related material properties of NbC were obtained from the Materials Project database (MP-ID: mp-1009459, 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_NbC
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 2.80643300
_cell_length_b 2.80643300
_cell_length_c 2.80643300
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural NbC
_chemical_formula_sum 'Nb1 C1'
_cell_volume 22.10365205
_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
Nb Nb0 1 0.00000000 0.00000000 0.00000000 1.0
C C1 1 0.50000000 0.50000000 0.50000000 1.0
