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HEAS Data Platform · Materials Science Database

HoNi5Ir

Alexandria ALEX

Alex-ID: agm005774402 · Space group: Pnma (#62)

Basic Information

Formula
HoNi5Ir
Alex-ID
agm005774402
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
377.79
ų
Cell a
4.8482
Å
Cell b
7.8783
Å
Cell c
9.8910
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoNi5Ir
Ho
4.00 · 14.3%
Ni
20.00 · 71.4%
Ir
4.00 · 14.3%

Energy & Stability

Energy above hull
0.0520
eV/atom
Formation energy
-0.2658
eV/atom
Corrected total energy
-176.8773
eV
Raw total energy
-176.8773
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0086
eV
DOS at Fermi level
38.2216
Total magnetisation
9.5423
μB

Additional Information

Prototype ID

ABC5_91_spg62

Decomposition

HoNi5 Ni HoIr2

Computed at

2023-07-14 15:40:19.690121

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: agm005774402).

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 agm005774402
data_agm005774402
_cell_length_a     4.84816
_cell_length_b     7.87828
_cell_length_c     9.89095
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       377.78643
_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 0.25000 0.24412 0.94018 1.00000
  Ho2 Ho 0.75000 0.25588 0.44018 1.00000
  Ho3 Ho 0.25000 0.74412 0.55982 1.00000
  Ho4 Ho 0.75000 0.75588 0.05982 1.00000
  Ni1 Ni 0.25000 0.59977 0.02061 1.00000
  Ni2 Ni 0.75000 0.90023 0.52061 1.00000
  Ni3 Ni 0.25000 0.09977 0.47939 1.00000
  Ni4 Ni 0.75000 0.40023 0.97939 1.00000
  Ni5 Ni 0.75000 0.31842 0.74169 1.00000
  Ni6 Ni 0.25000 0.18158 0.24169 1.00000
  Ni7 Ni 0.75000 0.81842 0.75831 1.00000
  Ni8 Ni 0.25000 0.68158 0.25831 1.00000
  Ni9 Ni 0.25000 0.93969 0.09206 1.00000
  Ni10 Ni 0.75000 0.56031 0.59206 1.00000
  Ni11 Ni 0.25000 0.43969 0.40794 1.00000
  Ni12 Ni 0.75000 0.06031 0.90794 1.00000
  Ni13 Ni 0.99442 0.43251 0.19151 1.00000
  Ni14 Ni 0.00558 0.06749 0.69151 1.00000
  Ni15 Ni 0.50558 0.93251 0.30849 1.00000
  Ni16 Ni 0.49442 0.56749 0.80849 1.00000
  Ni17 Ni 0.00558 0.56749 0.80849 1.00000
  Ni18 Ni 0.99442 0.93251 0.30849 1.00000
  Ni19 Ni 0.49442 0.06749 0.69151 1.00000
  Ni20 Ni 0.50558 0.43251 0.19151 1.00000
  Ir1 Ir 0.25000 0.85282 0.85173 1.00000
  Ir2 Ir 0.75000 0.64718 0.35173 1.00000
  Ir3 Ir 0.25000 0.35282 0.64827 1.00000
  Ir4 Ir 0.75000 0.14718 0.14827 1.00000
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