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SiC

Elasticity Data ELA

MP-ID: mp-8062 · Space group: F-43m (#216)

Basic Information

Formula
SiC
MP-ID
mp-8062
Elements
2
Sites
2
Density
3.2266
g/cm³
Volume
20.63
ų
Cell a
3.0787
Å
Cell b
3.0787
Å
Cell c
3.0787
Å
α Angle
60.00
°
β Angle
60.00
°
γ Angle
60.00
°
Space Group
F-43m
Point Group
-43m
Crystal System
Cubic
Bravais Lattice
Cubic F
Stability
No
Packing Fraction
0.7400

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 16)
2θd (Å)Ihkl
35.72 2.5138 50.0 (1,0,0)
35.72 2.5138 50.0 (0,0,1)
35.72 2.5138 100.0 (1,1,1)
41.48 2.1770 36.0 (1,1,0)
60.11 1.5394 15.2 (1,0,-1)
60.11 1.5394 30.5 (2,1,1)
60.11 1.5394 30.5 (1,1,2)
60.11 1.5394 15.2 (1,2,1)
71.92 1.3128 5.8 (2,1,0)
71.92 1.3128 17.5 (1,-1,-1)
71.92 1.3128 11.7 (1,1,-1)
71.92 1.3128 17.5 (1,0,2)
71.92 1.3128 17.5 (1,2,0)
75.67 1.2569 2.5 (2,0,0)
75.67 1.2569 2.5 (0,0,2)
75.67 1.2569 5.1 (2,2,2)
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Energy Properties

Formation Energy/atom
-0.30578
eV/atom
Energy/atom
-9.66628
eV/atom
Energy above Hull
0.0002
eV/atom
Uncorrected Energy
-9.6663
eV/atom
Volume/atom
10.32
ų
c/a Ratio
-

Electronic Properties

Metallic
Non-metal
Band Gap
1.371
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
0.0000
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

KVRH
212.682
GPa
GVRH
187.246
GPa
Young's Modulus E
434.288
GPa
Poisson Ratio ν
0.160
Pugh Ratio K/G
1.136
Vickers Hardness Est.
33.785
GPa
Ductility
Ductile
Anisotropy
0.492
Lame λ
87.851
GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Si · 0.500
Element Family
Metalloid-Nonmetal
Solute Fraction
0.500
Interstitial Fraction
1.000

Elasticity Features

Elastic Modulus Comparison (GPa)
Elastic Features
Elastic Anisotropy AU
0.4920
Homogeneous Poisson ν
0.1600
Debye Temperature
1,145.0
K
Sound Velocity
8,374.9
m/s
Homogeneity
0.1600

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-8062
Reference Citation

The crystal structure and related material properties of SiC were obtained from the Materials Project database (MP-ID: mp-8062, 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

BibTeX
@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_SiC
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.07873852
_cell_length_b   3.07873726
_cell_length_c   3.07873800
_cell_angle_alpha   60.00000279
_cell_angle_beta   60.00001634
_cell_angle_gamma   60.00000969
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiC
_chemical_formula_sum   'Si1 C1'
_cell_volume   20.63494246
_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
  Si  Si0  1  0.25000000  0.25000000  0.25000000  1.0
  C  C1  1  0.00000000  -0.00000000  -0.00000000  1.0
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