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Mg3Si2Pt

Alexandria ALEX

Alex-ID: agm005673133 · Space group: P2_1/c (#14)

Basic Information

Formula
Mg3Si2Pt
Alex-ID
agm005673133
Elements
3
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
431.76
ų
Cell a
7.6931
Å
Cell b
7.4936
Å
Cell c
7.9476
Å
α angle
90.00
°
β angle
109.55
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg3Si2Pt
Mg
12.00 · 50.0%
Si
8.00 · 33.3%
Pt
4.00 · 16.7%

Energy & Stability

Energy above hull
0.1310
eV/atom
Formation energy
-0.3226
eV/atom
Corrected total energy
-94.6146
eV
Raw total energy
-94.6146
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0700
eV
DOS at Fermi level
5.8418
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2602_spg14

Decomposition

Mg3Si3Pt2 Mg2Si Mg2SiPt

Computed at

2023-08-22 15:58:22.301072

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: agm005673133).

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 agm005673133
data_agm005673133
_cell_length_a     7.69307
_cell_length_b     7.49365
_cell_length_c     7.94756
_cell_angle_alpha  90.00000
_cell_angle_beta   109.55025
_cell_angle_gamma  90.00000
_cell_volume       431.75575
_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 0.21116 0.87803 0.11840 1.00000
  Mg2 Mg 0.28884 0.37803 0.38160 1.00000
  Mg3 Mg 0.78884 0.12197 0.88160 1.00000
  Mg4 Mg 0.71116 0.62197 0.61840 1.00000
  Mg5 Mg 0.31144 0.52012 0.01510 1.00000
  Mg6 Mg 0.18856 0.02012 0.48490 1.00000
  Mg7 Mg 0.68856 0.47988 0.98490 1.00000
  Mg8 Mg 0.81144 0.97988 0.51510 1.00000
  Mg9 Mg 0.98949 0.64440 0.36743 1.00000
  Mg10 Mg 0.51051 0.14440 0.13257 1.00000
  Mg11 Mg 0.01051 0.35560 0.63257 1.00000
  Mg12 Mg 0.48949 0.85560 0.86743 1.00000
  Si1 Si 0.81579 0.92018 0.17300 1.00000
  Si2 Si 0.68421 0.42018 0.32700 1.00000
  Si3 Si 0.18421 0.07982 0.82700 1.00000
  Si4 Si 0.31579 0.57982 0.67300 1.00000
  Si5 Si 0.37227 0.73925 0.43031 1.00000
  Si6 Si 0.12773 0.23925 0.06969 1.00000
  Si7 Si 0.62773 0.26075 0.56969 1.00000
  Si8 Si 0.87227 0.76075 0.93031 1.00000
  Pt1 Pt 0.58606 0.74128 0.25402 1.00000
  Pt2 Pt 0.91394 0.24128 0.24598 1.00000
  Pt3 Pt 0.41394 0.25872 0.74598 1.00000
  Pt4 Pt 0.08606 0.75872 0.75402 1.00000
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