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Ho2Al4Ge2Pt3

Alexandria ALEX

Alex-ID: agm024753056 · Space group: Cmmm (#65)

Basic Information

Formula
Ho2Al4Ge2Pt3
Alex-ID
agm024753056
Elements
4
Sites
11
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
208.74
ų
Cell a
12.3478
Å
Cell b
12.3478
Å
Cell c
4.0608
Å
α angle
90.00
°
β angle
90.00
°
γ angle
160.30
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho2Al4Ge2Pt3
Ho
2.00 · 18.2%
Al
4.00 · 36.4%
Ge
2.00 · 18.2%
Pt
3.00 · 27.3%

Energy & Stability

Energy above hull
0.0136
eV/atom
Formation energy
-0.9520
eV/atom
Corrected total energy
-62.1103
eV
Raw total energy
-62.1103
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0868
eV
DOS at Fermi level
5.0312
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3D4_10_spg65

Decomposition

Ho5Al3Ge4Pt3 Ho3Ge4 HoGePt Al3Pt2

Computed at

2024-10-26 08:41:16.423782

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: agm024753056).

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 agm024753056
data_agm024753056
_cell_length_a     12.34778
_cell_length_b     12.34778
_cell_length_c     4.06080
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  160.29652
_cell_volume       208.74479
_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
  Ho1 Ho 0.32586 0.67414 0.50000 1.00000
  Ho2 Ho 0.67414 0.32586 0.50000 1.00000
  Al1 Al 0.06046 0.93954 0.50000 1.00000
  Al2 Al 0.93954 0.06046 0.50000 1.00000
  Al3 Al 0.43632 0.56368 0.00000 1.00000
  Al4 Al 0.56368 0.43632 0.00000 1.00000
  Ge1 Ge 0.22350 0.77650 0.00000 1.00000
  Ge2 Ge 0.77650 0.22350 0.00000 1.00000
  Pt1 Pt 0.12249 0.87751 0.00000 1.00000
  Pt2 Pt 0.87751 0.12249 0.00000 1.00000
  Pt3 Pt 0.50000 0.50000 0.50000 1.00000
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