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Mg9Si5

Alexandria ALEX

Alex-ID: agm005283240 · Space group: P1 (#1)

Basic Information

Formula
Mg9Si5
Alex-ID
agm005283240
Elements
2
Sites
28
Space group
P1 (#1)
Crystal system
triclinic
Volume
566.93
ų
Cell a
6.0887
Å
Cell b
7.2676
Å
Cell c
13.8184
Å
α angle
79.59
°
β angle
81.57
°
γ angle
71.26
°

Composition

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

Energy & Stability

Energy above hull
0.1400
eV/atom
Formation energy
-0.0114
eV/atom
Corrected total energy
-83.2516
eV
Raw total energy
-83.2516
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0588
eV
DOS at Fermi level
8.1142
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A5B9_270_spg1

Decomposition

Mg2Si Si

Computed at

2023-05-11 19:50:09.522340

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: agm005283240).

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 agm005283240
data_agm005283240
_cell_length_a     6.08873
_cell_length_b     7.26763
_cell_length_c     13.81843
_cell_angle_alpha  79.58595
_cell_angle_beta   81.57049
_cell_angle_gamma  71.25793
_cell_volume       566.93365
_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 0.89365 0.95698 0.31474 1.00000
  Mg2 Mg 0.60644 0.88098 0.52346 1.00000
  Mg3 Mg 0.46546 0.76426 0.33186 1.00000
  Mg4 Mg 0.04912 0.11836 0.47710 1.00000
  Mg5 Mg 0.02539 0.51057 0.35553 1.00000
  Mg6 Mg 0.47037 0.42082 0.52633 1.00000
  Mg7 Mg 0.40187 0.87861 0.80714 1.00000
  Mg8 Mg 0.20079 0.59319 0.98187 1.00000
  Mg9 Mg 0.53390 0.19666 0.90299 1.00000
  Mg10 Mg 0.05787 0.06832 0.97743 1.00000
  Mg11 Mg 0.84185 0.51245 0.84434 1.00000
  Mg12 Mg 0.63320 0.76002 0.02097 1.00000
  Mg13 Mg 0.93680 0.46194 0.60397 1.00000
  Mg14 Mg 0.00012 0.31387 0.16704 1.00000
  Mg15 Mg 0.73878 0.12845 0.68981 1.00000
  Mg16 Mg 0.57126 0.07416 0.14748 1.00000
  Mg17 Mg 0.13558 0.76729 0.66965 1.00000
  Mg18 Mg 0.41878 0.49703 0.19048 1.00000
  Si1 Si 0.25262 0.33259 0.75395 1.00000
  Si2 Si 0.28790 0.12172 0.63228 1.00000
  Si3 Si 0.08401 0.73780 0.48002 1.00000
  Si4 Si 0.94708 0.72421 0.16467 1.00000
  Si5 Si 0.89512 0.87211 0.85304 1.00000
  Si6 Si 0.41476 0.17088 0.33642 1.00000
  Si7 Si 0.67221 0.37537 0.02535 1.00000
  Si8 Si 0.23161 0.90295 0.15794 1.00000
  Si9 Si 0.69505 0.34260 0.34568 1.00000
  Si10 Si 0.53825 0.51539 0.71878 1.00000
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