SrC2

Elasticity Data ELA

MP-ID: mp-10497 · Space group: C2/c (#15)

Materials Project API

Basic Information

Formula

SrC2

MP-ID

mp-10497

Elements

Sites

Density

3.1974

g/cm³

Volume

115.96

Å³

Cell a

4.1671

Cell b

4.1671

Cell c

7.7887

α Angle

74.97

β Angle

74.97

γ Angle

64.25

Space Group

C2/c

Point Group

2/m

Crystal System

Monoclinic

Bravais Lattice

Stability

Yes

Packing Fraction

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
24.00	3.7072	71.8	(0,0,2)
24.06	3.6995	37.5	(1,0,0)
25.02	3.5587	97.6	(1,0,1)
26.53	3.3595	49.5	(1,1,0)
28.73	3.1075	85.2	(1,0,-1)
28.73	3.1075	85.2	(0,1,-1)
29.93	2.9857	100.0	(1,1,2)
31.14	2.8720	14.5	(1,0,2)
37.11	2.4224	10.7	(1,0,-2)
37.11	2.4224	10.7	(0,1,-2)
40.32	2.2367	58.9	(1,0,3)
40.72	2.2158	13.3	(1,-1,0)
41.43	2.1793	33.0	(1,1,-2)
42.58	2.1231	18.0	(1,-1,-1)
42.58	2.1231	18.0	(1,-1,1)
43.55	2.0780	53.2	(2,1,1)
45.27	2.0030	8.9	(2,1,2)
45.37	1.9989	9.9	(2,1,0)
47.57	1.9116	25.6	(1,0,-3)
47.82	1.9020	6.0	(1,-1,-2)
47.82	1.9020	6.0	(1,-1,2)
48.27	1.8855	14.2	(1,1,4)
48.68	1.8703	19.7	(2,0,1)
49.15	1.8536	16.9	(0,0,4)

Get direct link

Energy Properties

Formation Energy/atom

-0.12732

eV/atom

Energy/atom

-11.80737

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-11.8074

eV/atom

Volume/atom

19.33

Å³

c/a Ratio

1.8691

Electronic Properties

Metallic

Non-metal

Band Gap

2.292

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

0.0000

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.000000

μB/Å³

Elastic Properties

K_VRH

49.739

GPa

G_VRH

21.069

GPa

Young's Modulus E

55.387

GPa

Poisson Ratio ν

0.314

Pugh Ratio K/G

2.361

Vickers Hardness Est.

1.354

GPa

Ductility

Brittle

Anisotropy

2.531

Lame λ

35.693

GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

C · 0.667

Element Family

Metalloid-Nonmetal

Solute Fraction

0.333

Interstitial Fraction

0.667

Elasticity Features

Elastic Modulus Comparison (GPa)

Elastic Features

Elastic Anisotropy A^U

2.5310

Homogeneous Poisson ν

0.3140

Debye Temperature

531.7

Sound Velocity

2,872.6

m/s

Homogeneity

0.3140

Related Tasks

Related computation task IDs (5)

aaadmtin aaaemlty aaaenlpf aaafafaj aaafdgzf

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-10497

Reference Citation

The crystal structure and related material properties of SrC2 were obtained from the Materials Project database (MP-ID: mp-10497, 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 | Drag to rotate · Scroll to zoom · Right-click to pan

Raw CIF Data

# generated using pymatgen
data_SrC2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.16709652
_cell_length_b   4.16709637
_cell_length_c   7.78868954
_cell_angle_alpha   74.96647536
_cell_angle_beta   74.96648333
_cell_angle_gamma   64.24693224
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrC2
_chemical_formula_sum   'Sr2 C4'
_cell_volume   115.96070070
_cell_formula_units_Z   2
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
  Sr  Sr0  1  0.82116904  0.17883096  0.25000000  1.0
  Sr  Sr1  1  0.17883096  0.82116904  0.75000000  1.0
  C  C2  1  0.12839460  0.42226771  0.44239133  1.0
  C  C3  1  0.57773229  0.87160540  0.05760867  1.0
  C  C4  1  0.42226771  0.12839460  0.94239133  1.0
  C  C5  1  0.87160540  0.57773229  0.55760867  1.0

Get direct link