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HEAS Data Platform · Materials Science Database

MP-ID: mp-10025 · Space group: Pnma (#62)

Basic Information

Formula
SiRu2
MP-ID
mp-10025
Elements
2
Sites
12
Density
9.7746
g/cm³
Volume
156.45
ų
Cell a
4.0101
Å
Cell b
5.2736
Å
Cell c
7.3978
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Pnma
Point Group
mmm
Crystal System
Orthorhombic
Bravais Lattice
oP
Stability
No
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
20.68 4.2942 4.2 (0,1,1)
25.26 3.5255 18.5 (1,0,1)
29.50 3.0283 13.1 (0,1,2)
30.50 2.9309 41.8 (1,1,1)
34.00 2.6368 1.7 (0,2,0)
36.17 2.4837 3.1 (0,2,1)
37.21 2.4166 43.4 (1,1,2)
40.38 2.2338 22.1 (0,1,3)
40.96 2.2032 43.2 (1,2,0)
42.08 2.1471 46.2 (0,2,2)
42.83 2.1115 86.9 (1,2,1)
43.06 2.1006 100.0 (1,0,3)
45.22 2.0051 58.0 (2,0,0)
46.54 1.9515 7.1 (1,1,3)
48.07 1.8929 9.0 (1,2,2)
50.69 1.8010 19.4 (0,2,3)
52.43 1.7452 5.7 (0,1,4)
53.59 1.7102 12.6 (0,3,1)
54.92 1.6718 4.6 (2,1,2)
57.60 1.6003 2.8 (1,1,4)
59.23 1.5601 1.4 (2,2,1)
61.21 1.5141 5.4 (0,2,4)
62.22 1.4921 12.0 (2,1,3)
63.48 1.4654 26.6 (2,2,2)
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Energy Properties

Formation Energy/atom
-0.39937
eV/atom
Energy/atom
-20.27365
eV/atom
Energy above Hull
0.0370
eV/atom
Uncorrected Energy
-20.2737
eV/atom
Volume/atom
13.04
ų
c/a Ratio
1.8448

Electronic Properties

Metallic
Metal
Band Gap
0
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
256.319
GPa
GVRH
102.364
GPa
Young's Modulus E
271.014
GPa
Poisson Ratio ν
0.324
Pugh Ratio K/G
2.504
Vickers Hardness Est.
7.246
GPa
Ductility
Brittle
Anisotropy
0.230
Lame λ
188.076
GPa

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Ru · 0.667
Element Family
4d-TM
Solute Fraction
0.333
Interstitial Fraction
0.333
Elastic Modulus Comparison (GPa)
Elastic Features
Elastic Anisotropy AU
0.2300
Homogeneous Poisson ν
0.3240
Debye Temperature
458.5
K
Sound Velocity
3,625.8
m/s
Homogeneity
0.3240

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-10025
Reference Citation

The crystal structure and related material properties of SiRu2 were obtained from the Materials Project database (MP-ID: mp-10025, 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_SiRu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.01013555
_cell_length_b   5.27355362
_cell_length_c   7.39776210
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiRu2
_chemical_formula_sum   'Si4 Ru8'
_cell_volume   156.44539350
_cell_formula_units_Z   4
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  0.79963970  0.40225402  1.0
  Si  Si1  1  0.75000000  0.20036030  0.59774598  1.0
  Si  Si2  1  0.25000000  0.29963970  0.09774598  1.0
  Si  Si3  1  0.75000000  0.70036030  0.90225402  1.0
  Ru  Ru4  1  0.75000000  0.01386223  0.28778136  1.0
  Ru  Ru5  1  0.25000000  0.98613777  0.71221864  1.0
  Ru  Ru6  1  0.75000000  0.51386223  0.21221864  1.0
  Ru  Ru7  1  0.25000000  0.48613777  0.78778136  1.0
  Ru  Ru8  1  0.25000000  0.33350832  0.43467162  1.0
  Ru  Ru9  1  0.75000000  0.66649168  0.56532838  1.0
  Ru  Ru10  1  0.25000000  0.83350832  0.06532838  1.0
  Ru  Ru11  1  0.75000000  0.16649168  0.93467162  1.0
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