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Al3FeGe2

Alexandria ALEX

Alex-ID: agm019852215 · Space group: Pnma (#62)

Basic Information

Formula
Al3FeGe2
Alex-ID
agm019852215
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
396.49
ų
Cell a
3.8180
Å
Cell b
9.7629
Å
Cell c
10.6372
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Al3FeGe2
Al
12.00 · 50.0%
Fe
4.00 · 16.7%
Ge
8.00 · 33.3%

Energy & Stability

Energy above hull
0.1372
eV/atom
Formation energy
-0.0843
eV/atom
Corrected total energy
-117.7601
eV
Raw total energy
-117.7601
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0301
eV
DOS at Fermi level
9.0588
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_1909_spg14

Decomposition

Al2Fe Al13Fe4 Ge

Computed at

2025-04-13 12:45:37

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: agm019852215).

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 agm019852215
data_agm019852215
_cell_length_a     3.81796
_cell_length_b     9.76286
_cell_length_c     10.63720
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       396.49301
_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
  Al1 Al 0.75000 0.41610 0.37913 1.00000
  Al2 Al 0.25000 0.58390 0.62087 1.00000
  Al3 Al 0.25000 0.08390 0.87913 1.00000
  Al4 Al 0.75000 0.91610 0.12087 1.00000
  Al5 Al 0.75000 0.23076 0.72910 1.00000
  Al6 Al 0.25000 0.76924 0.27090 1.00000
  Al7 Al 0.25000 0.26924 0.22910 1.00000
  Al8 Al 0.75000 0.73076 0.77090 1.00000
  Al9 Al 0.75000 0.10719 0.48584 1.00000
  Al10 Al 0.25000 0.89281 0.51416 1.00000
  Al11 Al 0.25000 0.39281 0.98584 1.00000
  Al12 Al 0.75000 0.60719 0.01416 1.00000
  Fe1 Fe 0.75000 0.39807 0.14824 1.00000
  Fe2 Fe 0.25000 0.60193 0.85176 1.00000
  Fe3 Fe 0.25000 0.10193 0.64824 1.00000
  Fe4 Fe 0.75000 0.89807 0.35176 1.00000
  Ge1 Ge 0.75000 0.96804 0.70800 1.00000
  Ge2 Ge 0.25000 0.03196 0.29200 1.00000
  Ge3 Ge 0.25000 0.53196 0.20800 1.00000
  Ge4 Ge 0.75000 0.46804 0.79200 1.00000
  Ge5 Ge 0.75000 0.18707 0.03200 1.00000
  Ge6 Ge 0.25000 0.81293 0.96800 1.00000
  Ge7 Ge 0.25000 0.31293 0.53200 1.00000
  Ge8 Ge 0.75000 0.68707 0.46800 1.00000
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