Navigation

HEAS Data Platform · Materials Science Database

Mg9Si5

Alexandria ALEX

Alex-ID: agm005277696 · Space group: P1 (#1)

Basic Information

Formula
Mg9Si5
Alex-ID
agm005277696
Elements
2
Sites
28
Space group
P1 (#1)
Crystal system
triclinic
Volume
562.26
ų
Cell a
5.8420
Å
Cell b
7.4109
Å
Cell c
14.4402
Å
α angle
77.22
°
β angle
74.79
°
γ angle
70.42
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg9Si5
Mg
18.00 · 64.3%
Si
10.00 · 35.7%

Energy & Stability

Energy above hull
0.1548
eV/atom
Formation energy
0.0034
eV/atom
Corrected total energy
-82.8369
eV
Raw total energy
-82.8369
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1190
eV
DOS at Fermi level
9.0006
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A5B9_269_spg1

Decomposition

Mg2Si Si

Computed at

2023-05-11 19:16:46.421463

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: agm005277696).

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 agm005277696
data_agm005277696
_cell_length_a     5.84204
_cell_length_b     7.41087
_cell_length_c     14.44022
_cell_angle_alpha  77.22231
_cell_angle_beta   74.78893
_cell_angle_gamma  70.42155
_cell_volume       562.26340
_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 0.81946 0.95851 0.31509 1.00000
  Mg2 Mg 0.42674 0.87144 0.51467 1.00000
  Mg3 Mg 0.40854 0.74871 0.31370 1.00000
  Mg4 Mg 0.87578 0.14366 0.48742 1.00000
  Mg5 Mg 0.94151 0.50085 0.36293 1.00000
  Mg6 Mg 0.36949 0.44283 0.53053 1.00000
  Mg7 Mg 0.46961 0.88500 0.82197 1.00000
  Mg8 Mg 0.20928 0.60003 0.98834 1.00000
  Mg9 Mg 0.57252 0.18956 0.90301 1.00000
  Mg10 Mg 0.06442 0.07675 0.97054 1.00000
  Mg11 Mg 0.86859 0.50775 0.85009 1.00000
  Mg12 Mg 0.64191 0.74847 0.02750 1.00000
  Mg13 Mg 0.44532 0.58994 0.72462 1.00000
  Mg14 Mg 0.94991 0.30347 0.17345 1.00000
  Mg15 Mg 0.94626 0.18272 0.69612 1.00000
  Mg16 Mg 0.53486 0.06481 0.14815 1.00000
  Mg17 Mg 0.91122 0.77211 0.65991 1.00000
  Mg18 Mg 0.36391 0.48413 0.19125 1.00000
  Si1 Si 0.29253 0.27375 0.76981 1.00000
  Si2 Si 0.49000 0.08499 0.63904 1.00000
  Si3 Si 0.00969 0.75803 0.46878 1.00000
  Si4 Si 0.89186 0.70312 0.17590 1.00000
  Si5 Si 0.96416 0.85026 0.85357 1.00000
  Si6 Si 0.31099 0.14667 0.33661 1.00000
  Si7 Si 0.65569 0.36993 0.02806 1.00000
  Si8 Si 0.17820 0.89743 0.14638 1.00000
  Si9 Si 0.57981 0.33608 0.34440 1.00000
  Si10 Si 0.80758 0.50859 0.55847 1.00000
Get direct link