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Ho2Al6Ni2Ge3

Alexandria ALEX

Alex-ID: agm009184597 · Space group: I4mm (#107)

Basic Information

Formula
Ho2Al6Ni2Ge3
Alex-ID
agm009184597
Elements
4
Sites
13
Space group
I4mm (#107)
Crystal system
tetragonal
Volume
231.23
ų
Cell a
14.3374
Å
Cell b
14.3374
Å
Cell c
14.3374
Å
α angle
163.73
°
β angle
163.73
°
γ angle
23.09
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho2Al6Ni2Ge3
Ho
2.00 · 15.4%
Al
6.00 · 46.2%
Ni
2.00 · 15.4%
Ge
3.00 · 23.1%

Energy & Stability

Energy above hull
0.1001
eV/atom
Formation energy
-0.4439
eV/atom
Corrected total energy
-62.8213
eV
Raw total energy
-62.8213
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0549
eV
DOS at Fermi level
4.9049
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3D6_7_spg107

Decomposition

Ho2AlGe3 Ho2Al6NiGe4 HoAlGe Al3Ni2

Computed at

2024-05-02 03:26:11.893296

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: agm009184597).

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 agm009184597
data_agm009184597
_cell_length_a     14.33740
_cell_length_b     14.33740
_cell_length_c     14.33740
_cell_angle_alpha  163.73182
_cell_angle_beta   163.73182
_cell_angle_gamma  23.08531
_cell_volume       231.23383
_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 0.14465 0.14465 0.00000 1.00000
  Ho2 Ho 0.85262 0.85262 0.00000 1.00000
  Al1 Al 0.05578 0.55578 0.50000 1.00000
  Al2 Al 0.55578 0.05578 0.50000 1.00000
  Al3 Al 0.95811 0.45811 0.50000 1.00000
  Al4 Al 0.45811 0.95811 0.50000 1.00000
  Al5 Al 0.24356 0.74356 0.50000 1.00000
  Al6 Al 0.74356 0.24356 0.50000 1.00000
  Ni1 Ni 0.00305 0.00305 0.00000 1.00000
  Ni2 Ni 0.60325 0.60325 0.00000 1.00000
  Ge1 Ge 0.39574 0.39574 0.00000 1.00000
  Ge2 Ge 0.68408 0.68408 0.00000 1.00000
  Ge3 Ge 0.30169 0.30169 0.00000 1.00000
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