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Ho5Hf5(Fe2Si5)4

Alexandria ALEX

Alex-ID: agm019727116 · Space group: Amm2 (#38)

Basic Information

Formula
Ho5Hf5(Fe2Si5)4
Alex-ID
agm019727116
Elements
4
Sites
38
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
594.72
ų
Cell a
12.2137
Å
Cell b
12.2137
Å
Cell c
3.9867
Å
α angle
90.00
°
β angle
90.00
°
γ angle
89.86
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho5Hf5(Fe2Si5)4
Ho
5.00 · 13.2%
Hf
5.00 · 13.2%
Fe
8.00 · 21.1%
Si
20.00 · 52.6%

Energy & Stability

Energy above hull
0.0285
eV/atom
Formation energy
-0.6717
eV/atom
Corrected total energy
-274.3455
eV
Raw total energy
-274.3455
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
21.6894
Total magnetisation
0.0034
μB

Additional Information

Prototype ID

A5B5C8D20_1_spg38

Decomposition

Ho5(Fe2Si7)2 Ho2Fe3Si5 FeSi2 HfSi

Computed at

2024-12-04 13:18:19

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: agm019727116).

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 agm019727116
data_agm019727116
_cell_length_a     12.21374
_cell_length_b     12.21374
_cell_length_c     3.98673
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  89.85618
_cell_volume       594.72040
_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 0.38696 0.38696 0.50000 1.00000
  Ho2 Ho 0.88147 0.11216 0.50000 1.00000
  Ho3 Ho 0.11216 0.88147 0.50000 1.00000
  Ho4 Ho 0.49840 0.99890 0.00000 1.00000
  Ho5 Ho 0.99890 0.49840 0.00000 1.00000
  Hf1 Hf 0.82024 0.82024 0.50000 1.00000
  Hf2 Hf 0.17283 0.17283 0.50000 1.00000
  Hf3 Hf 0.68145 0.33259 0.50000 1.00000
  Hf4 Hf 0.33259 0.68145 0.50000 1.00000
  Hf5 Hf 0.61598 0.61598 0.50000 1.00000
  Fe1 Fe 0.47659 0.75126 0.00000 1.00000
  Fe2 Fe 0.52223 0.24849 0.00000 1.00000
  Fe3 Fe 0.02612 0.25250 0.00000 1.00000
  Fe4 Fe 0.97389 0.74430 0.00000 1.00000
  Fe5 Fe 0.25250 0.02612 0.00000 1.00000
  Fe6 Fe 0.74430 0.97389 0.00000 1.00000
  Fe7 Fe 0.75126 0.47659 0.00000 1.00000
  Fe8 Fe 0.24849 0.52223 0.00000 1.00000
  Si1 Si 0.92770 0.92770 0.00000 1.00000
  Si2 Si 0.06709 0.06709 0.00000 1.00000
  Si3 Si 0.56979 0.43289 0.00000 1.00000
  Si4 Si 0.43289 0.56979 0.00000 1.00000
  Si5 Si 0.30314 0.84191 0.00000 1.00000
  Si6 Si 0.69456 0.15783 0.00000 1.00000
  Si7 Si 0.19793 0.34193 0.00000 1.00000
  Si8 Si 0.80068 0.65599 0.00000 1.00000
  Si9 Si 0.34193 0.19793 0.00000 1.00000
  Si10 Si 0.65599 0.80068 0.00000 1.00000
  Si11 Si 0.84191 0.30314 0.00000 1.00000
  Si12 Si 0.15783 0.69456 0.00000 1.00000
  Si13 Si 0.50862 0.82824 0.50000 1.00000
  Si14 Si 0.52290 0.16873 0.50000 1.00000
  Si15 Si 0.99889 0.32786 0.50000 1.00000
  Si16 Si 0.99109 0.66513 0.50000 1.00000
  Si17 Si 0.32786 0.99889 0.50000 1.00000
  Si18 Si 0.66513 0.99109 0.50000 1.00000
  Si19 Si 0.82824 0.50862 0.50000 1.00000
  Si20 Si 0.16873 0.52290 0.50000 1.00000
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