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HEAS Data Platform · Materials Science Database

Mg5Si9

Alexandria ALEX

Alex-ID: agm005249476 · Space group: P1 (#1)

Basic Information

Formula
Mg5Si9
Alex-ID
agm005249476
Elements
2
Sites
28
Space group
P1 (#1)
Crystal system
triclinic
Volume
508.14
ų
Cell a
7.3580
Å
Cell b
7.5849
Å
Cell c
10.0094
Å
α angle
93.90
°
β angle
100.61
°
γ angle
110.72
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg5Si9
Mg
10.00 · 35.7%
Si
18.00 · 64.3%

Energy & Stability

Energy above hull
0.2327
eV/atom
Formation energy
0.1486
eV/atom
Corrected total energy
-109.3995
eV
Raw total energy
-109.3995
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0759
eV
DOS at Fermi level
8.1225
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A5B9_224_spg1

Decomposition

Mg2Si Si

Computed at

2023-05-11 18:05:29.384863

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: agm005249476).

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 agm005249476
data_agm005249476
_cell_length_a     7.35796
_cell_length_b     7.58492
_cell_length_c     10.00942
_cell_angle_alpha  93.90472
_cell_angle_beta   100.60661
_cell_angle_gamma  110.72064
_cell_volume       508.13999
_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 0.52456 0.94316 0.50474 1.00000
  Mg2 Mg 0.93609 0.13601 0.45218 1.00000
  Mg3 Mg 0.19054 0.56426 0.56832 1.00000
  Mg4 Mg 0.76427 0.43446 0.33954 1.00000
  Mg5 Mg 0.81163 0.73636 0.58131 1.00000
  Mg6 Mg 0.40437 0.28515 0.49503 1.00000
  Mg7 Mg 0.70169 0.00006 0.06367 1.00000
  Mg8 Mg 0.59360 0.23201 0.80955 1.00000
  Mg9 Mg 0.88200 0.57781 0.07404 1.00000
  Mg10 Mg 0.09688 0.30694 0.97063 1.00000
  Si1 Si 0.10747 0.05551 0.23291 1.00000
  Si2 Si 0.48676 0.58300 0.07931 1.00000
  Si3 Si 0.07293 0.79766 0.37413 1.00000
  Si4 Si 0.20800 0.26128 0.71172 1.00000
  Si5 Si 0.08411 0.36934 0.25607 1.00000
  Si6 Si 0.85542 0.08608 0.71654 1.00000
  Si7 Si 0.28599 0.74144 0.19140 1.00000
  Si8 Si 0.97823 0.57719 0.82027 1.00000
  Si9 Si 0.73325 0.78523 0.28201 1.00000
  Si10 Si 0.23453 0.96285 0.62615 1.00000
  Si11 Si 0.30395 0.81661 0.82907 1.00000
  Si12 Si 0.85668 0.83556 0.85966 1.00000
  Si13 Si 0.46288 0.09130 0.26003 1.00000
  Si14 Si 0.51497 0.63385 0.84774 1.00000
  Si15 Si 0.18629 0.95992 0.01471 1.00000
  Si16 Si 0.49042 0.25932 0.05883 1.00000
  Si17 Si 0.79717 0.37586 0.60834 1.00000
  Si18 Si 0.43488 0.59169 0.37183 1.00000
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