Navigation

HEAS Data Platform · Materials Science Database

UFeSi2Ir

Alexandria ALEX

Alex-ID: agm005019096 · Space group: I-4m2 (#119)

Basic Information

Formula
UFeSi2Ir
Alex-ID
agm005019096
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
78.22
ų
Cell a
4.0082
Å
Cell b
4.0082
Å
Cell c
5.6337
Å
α angle
110.84
°
β angle
110.84
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
UFeSi2Ir
U
1.00 · 20.0%
Fe
1.00 · 20.0%
Si
2.00 · 40.0%
Ir
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0093
eV/atom
Formation energy
-0.6495
eV/atom
Corrected total energy
-42.7052
eV
Raw total energy
-42.7052
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0073
eV
DOS at Fermi level
6.3333
Total magnetisation
1.5753
μB

Additional Information

Prototype ID

ABCD2_49_spg119

Decomposition

U(SiIr)2 U(FeSi)2

Computed at

2022-08-04 17:50:36.426300

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: agm005019096).

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 agm005019096
data_agm005019096
_cell_length_a     4.00819
_cell_length_b     4.00819
_cell_length_c     5.63366
_cell_angle_alpha  110.83853
_cell_angle_beta   110.83853
_cell_angle_gamma  90.00000
_cell_volume       78.22029
_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
  U1 U 0.00000 0.00000 0.00000 1.00000
  Fe1 Fe 0.75000 0.25000 0.50000 1.00000
  Si1 Si 0.62220 0.62220 0.24439 1.00000
  Si2 Si 0.37780 0.37780 0.75561 1.00000
  Ir1 Ir 0.25000 0.75000 0.50000 1.00000
Get direct link