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Hf2Al5IrPd2

Alexandria ALEX

Alex-ID: agm005142914 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Hf2Al5IrPd2
Alex-ID
agm005142914
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
332.74
ų
Cell a
3.4544
Å
Cell b
9.8145
Å
Cell c
9.8145
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2Al5IrPd2
Hf
4.00 · 20.0%
Al
10.00 · 50.0%
Ir
2.00 · 10.0%
Pd
4.00 · 20.0%

Energy & Stability

Energy above hull
0.1985
eV/atom
Formation energy
-0.6028
eV/atom
Corrected total energy
-127.8182
eV
Raw total energy
-127.8182
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0079
eV
DOS at Fermi level
8.1744
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D5_48_spg127

Decomposition

Hf3(Al2Ir)4 Hf6Al16Pd7 Hf3Al3IrPd2 AlPd

Computed at

2022-07-14 11:22:22.107529

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: agm005142914).

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 agm005142914
data_agm005142914
_cell_length_a     3.45441
_cell_length_b     9.81449
_cell_length_c     9.81449
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       332.74322
_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
  Hf1 Hf 0.00000 0.68317 0.18317 1.00000
  Hf2 Hf 0.00000 0.31683 0.81683 1.00000
  Hf3 Hf 0.00000 0.18317 0.31683 1.00000
  Hf4 Hf 0.00000 0.81683 0.68317 1.00000
  Al1 Al 0.50000 0.19422 0.04730 1.00000
  Al2 Al 0.50000 0.80578 0.95270 1.00000
  Al3 Al 0.50000 0.04730 0.80578 1.00000
  Al4 Al 0.50000 0.69422 0.45270 1.00000
  Al5 Al 0.50000 0.95270 0.19422 1.00000
  Al6 Al 0.50000 0.30578 0.54730 1.00000
  Al7 Al 0.50000 0.54730 0.69422 1.00000
  Al8 Al 0.50000 0.45270 0.30578 1.00000
  Al9 Al 0.50000 0.50000 0.00000 1.00000
  Al10 Al 0.50000 0.00000 0.50000 1.00000
  Ir1 Ir 0.00000 0.00000 0.00000 1.00000
  Ir2 Ir 0.00000 0.50000 0.50000 1.00000
  Pd1 Pd 0.00000 0.12202 0.62202 1.00000
  Pd2 Pd 0.00000 0.87798 0.37798 1.00000
  Pd3 Pd 0.00000 0.62202 0.87798 1.00000
  Pd4 Pd 0.00000 0.37798 0.12202 1.00000
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