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In2Si2Ge

Alexandria ALEX

Alex-ID: agm002945752 · Space group: I4/mmm (#139)

Basic Information

Formula
In2Si2Ge
Alex-ID
agm002945752
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
108.58
ų
Cell a
3.4480
Å
Cell b
3.4480
Å
Cell c
9.4528
Å
α angle
79.49
°
β angle
79.49
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
In2Si2Ge
Ge
1.00 · 20.0%
Si
2.00 · 40.0%
In
2.00 · 40.0%

Energy & Stability

Energy above hull
0.3101
eV/atom
Formation energy
0.3101
eV/atom
Corrected total energy
-19.4520
eV
Raw total energy
-19.4520
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.7397
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_106_spg139

Decomposition

In Si Ge

Computed at

2023-03-26 19:39:39.616604

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: agm002945752).

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 agm002945752
data_agm002945752
_cell_length_a     3.44798
_cell_length_b     3.44798
_cell_length_c     9.45280
_cell_angle_alpha  79.49166
_cell_angle_beta   79.49166
_cell_angle_gamma  90.00000
_cell_volume       108.57791
_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
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
  Si1 Si 0.75000 0.25000 0.50000 1.00000
  Si2 Si 0.25000 0.75000 0.50000 1.00000
  In1 In 0.39055 0.39055 0.21890 1.00000
  In2 In 0.60945 0.60945 0.78110 1.00000
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