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HfFeIr2

Alexandria ALEX

Alex-ID: agm002829886 · Space group: I-42d (#122)

Basic Information

Formula
HfFeIr2
Alex-ID
agm002829886
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
135.91
ų
Cell a
3.9532
Å
Cell b
3.9532
Å
Cell c
9.1349
Å
α angle
77.50
°
β angle
77.50
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfFeIr2
Ir
4.00 · 50.0%
Hf
2.00 · 25.0%
Fe
2.00 · 25.0%

Energy & Stability

Energy above hull
0.7158
eV/atom
Formation energy
0.0629
eV/atom
Corrected total energy
-71.7729
eV
Raw total energy
-71.7729
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0105
eV
DOS at Fermi level
7.5880
Total magnetisation
4.5343
μB

Additional Information

Prototype ID

ABC2_234_spg122

Decomposition

HfIr2 Fe

Computed at

2023-03-25 13:03:03.870484

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: agm002829886).

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 agm002829886
data_agm002829886
_cell_length_a     3.95315
_cell_length_b     3.95315
_cell_length_c     9.13494
_cell_angle_alpha  77.50377
_cell_angle_beta   77.50377
_cell_angle_gamma  90.00000
_cell_volume       135.90756
_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
  Ir1 Ir 0.58647 0.12500 0.25000 1.00000
  Ir2 Ir 0.16353 0.62500 0.25000 1.00000
  Ir3 Ir 0.37500 0.41353 0.75000 1.00000
  Ir4 Ir 0.87500 0.83647 0.75000 1.00000
  Hf1 Hf 0.00000 0.00000 0.00000 1.00000
  Hf2 Hf 0.75000 0.25000 0.50000 1.00000
  Fe1 Fe 0.50000 0.50000 0.00000 1.00000
  Fe2 Fe 0.25000 0.75000 0.50000 1.00000
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