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Ho2Al2CuNi5

Alexandria ALEX

Alex-ID: agm005138908 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Ho2Al2CuNi5
Alex-ID
agm005138908
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
300.94
ų
Cell a
3.1843
Å
Cell b
9.7214
Å
Cell c
9.7214
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho2Al2CuNi5
Ho
4.00 · 20.0%
Al
4.00 · 20.0%
Cu
2.00 · 10.0%
Ni
10.00 · 50.0%

Energy & Stability

Energy above hull
0.2545
eV/atom
Formation energy
-0.2688
eV/atom
Corrected total energy
-104.8304
eV
Raw total energy
-104.8304
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0073
eV
DOS at Fermi level
11.9116
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D5_6_spg127

Decomposition

HoCu5 HoAlNi4 Ho3(AlNi3)2 AlNi

Computed at

2022-07-14 09:23:02.018367

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: agm005138908).

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 agm005138908
data_agm005138908
_cell_length_a     3.18435
_cell_length_b     9.72143
_cell_length_c     9.72143
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       300.94084
_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 0.00000 0.67410 0.17410 1.00000
  Ho2 Ho 0.00000 0.32590 0.82590 1.00000
  Ho3 Ho 0.00000 0.17410 0.32590 1.00000
  Ho4 Ho 0.00000 0.82590 0.67410 1.00000
  Al1 Al 0.00000 0.12601 0.62601 1.00000
  Al2 Al 0.00000 0.87399 0.37399 1.00000
  Al3 Al 0.00000 0.62601 0.87399 1.00000
  Al4 Al 0.00000 0.37399 0.12601 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
  Cu2 Cu 0.00000 0.50000 0.50000 1.00000
  Ni1 Ni 0.50000 0.19495 0.05418 1.00000
  Ni2 Ni 0.50000 0.80505 0.94582 1.00000
  Ni3 Ni 0.50000 0.05418 0.80505 1.00000
  Ni4 Ni 0.50000 0.69495 0.44582 1.00000
  Ni5 Ni 0.50000 0.94582 0.19495 1.00000
  Ni6 Ni 0.50000 0.30505 0.55418 1.00000
  Ni7 Ni 0.50000 0.55418 0.69495 1.00000
  Ni8 Ni 0.50000 0.44582 0.30505 1.00000
  Ni9 Ni 0.50000 0.50000 0.00000 1.00000
  Ni10 Ni 0.50000 0.00000 0.50000 1.00000
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