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Mg2Si3

Traditional Materials TRA

MP-ID: mp-1073308 · Space group: P-1 (#2)

Basic Information

Formula
Mg2Si3
MP-ID
mp-1073308
Elements
2
Sites
10
Density
2.3713
g/cm³
Volume
186.08
ų
Cell a
4.2584
Å
Cell b
5.5385
Å
Cell c
8.4939
Å
α Angle
77.90
°
β Angle
82.46
°
γ Angle
72.27
°
Space Group
P-1
Point Group
-1
Crystal System
Triclinic
Bravais Lattice
Triclinic P
Stability
No
Packing Fraction
0.5240

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
10.68 8.2834 7.5 (0,0,1)
17.09 5.1895 3.6 (0,1,0)
18.47 4.8032 2.6 (0,1,1)
21.45 4.1417 2.1 (0,0,2)
23.71 3.7528 8.5 (1,1,0)
23.77 3.7434 3.4 (1,0,1)
24.98 3.5645 14.9 (0,1,2)
29.73 3.0046 15.4 (1,0,2)
29.92 2.9860 12.9 (0,1,-2)
31.69 2.8232 100.0 (1,-1,0)
32.02 2.7948 18.5 (1,0,-2)
32.43 2.7611 19.7 (0,0,3)
33.03 2.7117 21.0 (1,-1,-1)
33.92 2.6425 15.0 (0,1,3)
34.31 2.6137 1.8 (0,2,1)
34.57 2.5947 17.0 (0,2,0)
34.59 2.5932 28.6 (1,2,1)
35.30 2.5428 11.5 (1,1,-2)
35.36 2.5386 48.8 (1,2,0)
36.40 2.4683 20.2 (1,1,3)
37.22 2.4155 38.0 (1,2,2)
37.45 2.4016 15.6 (0,2,2)
37.70 2.3859 3.8 (1,-1,-2)
38.11 2.3615 17.7 (1,0,3)
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Energy Properties

Formation Energy/atom
0.16637
eV/atom
Energy/atom
-3.74101
eV/atom
Energy above Hull
0.2315
eV/atom
Uncorrected Energy
-3.7836
eV/atom
Volume/atom
18.61
ų
c/a Ratio
-

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0015
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000010
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Si · 0.600
Element Family
N/A
Solute Fraction
0.400
Interstitial Fraction
0.600

Traditional Material Features

ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.512
Family
Binary Alloy
Matrix Element
Si · 0.600

Related Tasks

Related computation task IDs (2)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1073308
Reference Citation

The crystal structure and related material properties of Mg2Si3 were obtained from the Materials Project database (MP-ID: mp-1073308, 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_Mg2Si3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.25838700
_cell_length_b   5.53847412
_cell_length_c   8.49390429
_cell_angle_alpha   77.89677246
_cell_angle_beta   82.46148230
_cell_angle_gamma   72.26875824
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2Si3
_chemical_formula_sum   'Mg4 Si6'
_cell_volume   186.08218895
_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
  Mg  Mg0  1  0.34418500  0.81877400  0.92692000  1.0
  Mg  Mg1  1  0.65581500  0.18122600  0.07308000  1.0
  Mg  Mg2  1  0.72785000  0.20276200  0.69884200  1.0
  Mg  Mg3  1  0.27215000  0.79723800  0.30115800  1.0
  Si  Si4  1  0.45286500  0.84481200  0.61199100  1.0
  Si  Si5  1  0.96853100  0.38552200  0.38256900  1.0
  Si  Si6  1  0.03146900  0.61447800  0.61743100  1.0
  Si  Si7  1  0.54713500  0.15518800  0.38800900  1.0
  Si  Si8  1  0.12848000  0.37384800  0.89075000  1.0
  Si  Si9  1  0.87152000  0.62615200  0.10925000  1.0
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