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Ho5Al15Cu4Ag

Alexandria ALEX

Alex-ID: agm021229613 · Space group: I4mm (#107)

Basic Information

Formula
Ho5Al15Cu4Ag
Alex-ID
agm021229613
Elements
4
Sites
25
Space group
I4mm (#107)
Crystal system
tetragonal
Volume
462.92
ų
Cell a
27.0070
Å
Cell b
27.0070
Å
Cell c
27.0070
Å
α angle
171.18
°
β angle
171.18
°
γ angle
12.48
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho5Al15Cu4Ag
Ho
5.00 · 20.0%
Al
15.00 · 60.0%
Cu
4.00 · 16.0%
Ag
1.00 · 4.0%

Energy & Stability

Energy above hull
0.0048
eV/atom
Formation energy
-0.4052
eV/atom
Corrected total energy
-108.6978
eV
Raw total energy
-108.6978
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.4302
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C5D15_10_spg107

Decomposition

HoAl7Cu5 HoAl3 Ho3Al7Ag2 Ho3Al7Cu2

Computed at

2025-02-13 04:21:17.340865

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: agm021229613).

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 agm021229613
data_agm021229613
_cell_length_a     27.00697
_cell_length_b     27.00697
_cell_length_c     27.00697
_cell_angle_alpha  171.18174
_cell_angle_beta   171.18174
_cell_angle_gamma  12.48327
_cell_volume       462.92274
_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 0.00213 0.00213 0.00000 1.00000
  Ho2 Ho 0.60047 0.60047 0.00000 1.00000
  Ho3 Ho 0.19900 0.19900 0.00000 1.00000
  Ho4 Ho 0.79752 0.79752 0.00000 1.00000
  Ho5 Ho 0.39639 0.39639 0.00000 1.00000
  Al1 Al 0.05084 0.55084 0.50000 1.00000
  Al2 Al 0.64942 0.14942 0.50000 1.00000
  Al3 Al 0.24796 0.74796 0.50000 1.00000
  Al4 Al 0.84654 0.34654 0.50000 1.00000
  Al5 Al 0.45248 0.95248 0.50000 1.00000
  Al6 Al 0.55084 0.05084 0.50000 1.00000
  Al7 Al 0.14942 0.64942 0.50000 1.00000
  Al8 Al 0.74796 0.24796 0.50000 1.00000
  Al9 Al 0.34654 0.84654 0.50000 1.00000
  Al10 Al 0.95248 0.45248 0.50000 1.00000
  Al11 Al 0.08217 0.08217 0.00000 1.00000
  Al12 Al 0.68073 0.68073 0.00000 1.00000
  Al13 Al 0.27924 0.27924 0.00000 1.00000
  Al14 Al 0.87755 0.87755 0.00000 1.00000
  Al15 Al 0.48330 0.48330 0.00000 1.00000
  Cu1 Cu 0.52678 0.52678 1.00000 1.00000
  Cu2 Cu 0.12560 0.12560 1.00000 1.00000
  Cu3 Cu 0.72414 0.72414 1.00000 1.00000
  Cu4 Cu 0.32266 0.32266 1.00000 1.00000
  Ag1 Ag 0.92360 0.92360 1.00000 1.00000
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