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HEAS Data Platform · Materials Science Database

Mg2Si

Alexandria ALEX

Alex-ID: agm005226380 · Space group: P-1 (#2)

Basic Information

Formula
Mg2Si
Alex-ID
agm005226380
Elements
2
Sites
12
Space group
P-1 (#2)
Crystal system
triclinic
Volume
237.48
ų
Cell a
5.3708
Å
Cell b
5.8897
Å
Cell c
8.0876
Å
α angle
104.16
°
β angle
104.26
°
γ angle
94.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2Si
Mg
8.00 · 66.7%
Si
4.00 · 33.3%

Energy & Stability

Energy above hull
0.1756
eV/atom
Formation energy
0.0186
eV/atom
Corrected total energy
-34.2254
eV
Raw total energy
-34.2254
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0358
eV
DOS at Fermi level
3.5756
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_3308_spg2

Decomposition

Mg2Si

Computed at

2023-04-21 15:55:35.517454

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm005226380).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm005226380
data_agm005226380
_cell_length_a     5.37080
_cell_length_b     5.88972
_cell_length_c     8.08761
_cell_angle_alpha  104.16333
_cell_angle_beta   104.25644
_cell_angle_gamma  94.93552
_cell_volume       237.48423
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Mg1 Mg 0.04097 0.75238 0.98432 1.00000
  Mg2 Mg 0.96907 0.18152 0.37270 1.00000
  Mg3 Mg 0.41688 0.33462 0.82037 1.00000
  Mg4 Mg 0.03093 0.81848 0.62730 1.00000
  Mg5 Mg 0.95903 0.24762 0.01568 1.00000
  Mg6 Mg 0.50000 0.50000 0.50000 1.00000
  Mg7 Mg 0.50000 0.00000 0.50000 1.00000
  Mg8 Mg 0.58312 0.66538 0.17963 1.00000
  Si1 Si 0.46854 0.15231 0.12910 1.00000
  Si2 Si 0.53146 0.84769 0.87090 1.00000
  Si3 Si 0.10356 0.65940 0.30029 1.00000
  Si4 Si 0.89644 0.34060 0.69971 1.00000
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