Navigation

HEAS Data Platform · Materials Science Database

HfH5Ir4

Alexandria ALEX

Alex-ID: agm006541908 · Space group: Pmmn (#59)

Alexandria Database API

Basic Information

Formula
HfH5Ir4
Alex-ID
agm006541908
Elements
3
Sites
20
Space group
Pmmn (#59)
Crystal system
orthorhombic
Volume
208.45
ų
Cell a
5.4285
Å
Cell b
5.3320
Å
Cell c
7.2018
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfH5Ir4
Hf
2.00 · 10.0%
H
10.00 · 50.0%
Ir
8.00 · 40.0%

Energy & Stability

Energy above hull
0.2621
eV/atom
Formation energy
-0.0604
eV/atom
Corrected total energy
-124.4009
eV
Raw total energy
-124.4008
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.7206
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C5_151_spg59

Decomposition

Hf2HIr6 Ir H2

Computed at

2024-02-27 23:34:50.548577

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: agm006541908).

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 agm006541908
data_agm006541908
_cell_length_a     5.42852
_cell_length_b     5.33196
_cell_length_c     7.20182
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       208.45390
_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 0.29518 0.00000 0.50000 1.00000
  Hf2 Hf 0.70482 0.50000 0.00000 1.00000
  H1 H 0.83419 0.78971 0.24974 1.00000
  H2 H 0.83419 0.21029 0.24974 1.00000
  H3 H 0.94859 0.50000 0.50000 1.00000
  H4 H 0.83419 0.78971 0.75026 1.00000
  H5 H 0.83419 0.21029 0.75026 1.00000
  H6 H 0.16581 0.71029 0.74974 1.00000
  H7 H 0.16581 0.28971 0.74974 1.00000
  H8 H 0.05141 0.00000 0.00000 1.00000
  H9 H 0.16581 0.28971 0.25026 1.00000
  H10 H 0.16581 0.71029 0.25026 1.00000
  Ir1 Ir 0.60464 0.00000 0.18553 1.00000
  Ir2 Ir 0.75010 0.76085 0.50000 1.00000
  Ir3 Ir 0.75010 0.23915 0.50000 1.00000
  Ir4 Ir 0.60464 0.00000 0.81447 1.00000
  Ir5 Ir 0.39536 0.50000 0.68553 1.00000
  Ir6 Ir 0.24990 0.73915 0.00000 1.00000
  Ir7 Ir 0.24990 0.26085 0.00000 1.00000
  Ir8 Ir 0.39536 0.50000 0.31447 1.00000
Get direct link