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Mg4Si3

Alexandria ALEX

Alex-ID: agm005239462 · Space group: P1 (#1)

Basic Information

Formula
Mg4Si3
Alex-ID
agm005239462
Elements
2
Sites
14
Space group
P1 (#1)
Crystal system
triclinic
Volume
269.33
ų
Cell a
5.0864
Å
Cell b
7.5191
Å
Cell c
8.2435
Å
α angle
118.09
°
β angle
89.34
°
γ angle
103.04
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg4Si3
Mg
8.00 · 57.1%
Si
6.00 · 42.9%

Energy & Stability

Energy above hull
0.1784
eV/atom
Formation energy
0.0438
eV/atom
Corrected total energy
-44.6822
eV
Raw total energy
-44.6822
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1073
eV
DOS at Fermi level
3.7467
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B4_279_spg1

Decomposition

Mg2Si Si

Computed at

2023-05-06 17:30:16.456084

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: agm005239462).

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 agm005239462
data_agm005239462
_cell_length_a     5.08644
_cell_length_b     7.51913
_cell_length_c     8.24348
_cell_angle_alpha  118.08631
_cell_angle_beta   89.34237
_cell_angle_gamma  103.03702
_cell_volume       269.32941
_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 0.64630 0.52507 0.78373 1.00000
  Mg2 Mg 0.02476 0.94232 0.18828 1.00000
  Mg3 Mg 0.08611 0.22447 0.62763 1.00000
  Mg4 Mg 0.42850 0.43167 0.31270 1.00000
  Mg5 Mg 0.56139 0.94282 0.63784 1.00000
  Mg6 Mg 0.95498 0.41128 0.04494 1.00000
  Mg7 Mg 0.99637 0.74827 0.43420 1.00000
  Mg8 Mg 0.54336 0.98028 0.02133 1.00000
  Si1 Si 0.53128 0.13323 0.42368 1.00000
  Si2 Si 0.47711 0.75617 0.22212 1.00000
  Si3 Si 0.18386 0.61658 0.67549 1.00000
  Si4 Si 0.90421 0.35109 0.36799 1.00000
  Si5 Si 0.39063 0.25369 0.92951 1.00000
  Si6 Si 0.02120 0.93301 0.83046 1.00000
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