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HEAS Data Platform · Materials Science Database

HoGa2Ni3

Alexandria ALEX

Alex-ID: agm005228070 · Space group: P-62m (#189)

Alexandria Database API

Basic Information

Formula
HoGa2Ni3
Alex-ID
agm005228070
Elements
3
Sites
18
Space group
P-62m (#189)
Crystal system
hexagonal
Volume
271.45
ų
Cell a
8.7604
Å
Cell b
8.7604
Å
Cell c
4.0842
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoGa2Ni3
Ho
3.00 · 16.7%
Ga
6.00 · 33.3%
Ni
9.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.5603
eV/atom
Corrected total energy
-94.0516
eV
Raw total energy
-94.0516
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
12.9129
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_54_spg191

Decomposition

HoGa2Ni3

Computed at

2023-05-07 14:56:49.575734

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: agm005228070).

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 agm005228070
data_agm005228070
_cell_length_a     8.76038
_cell_length_b     8.76038
_cell_length_c     4.08424
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       271.44898
_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 0.33333 0.66667 0.50000 1.00000
  Ho2 Ho 0.66667 0.33333 0.50000 1.00000
  Ho3 Ho 0.00000 0.00000 0.00000 1.00000
  Ga1 Ga 0.00000 0.52124 0.00000 1.00000
  Ga2 Ga 0.52124 0.00000 0.00000 1.00000
  Ga3 Ga 0.47876 0.47876 0.00000 1.00000
  Ga4 Ga 0.00000 0.27138 0.50000 1.00000
  Ga5 Ga 0.27138 0.00000 0.50000 1.00000
  Ga6 Ga 0.72862 0.72862 0.50000 1.00000
  Ni1 Ni 0.62539 0.79837 0.00000 1.00000
  Ni2 Ni 0.17298 0.37461 0.00000 1.00000
  Ni3 Ni 0.20163 0.82702 0.00000 1.00000
  Ni4 Ni 0.37461 0.17298 0.00000 1.00000
  Ni5 Ni 0.82702 0.20163 0.00000 1.00000
  Ni6 Ni 0.79837 0.62539 0.00000 1.00000
  Ni7 Ni 0.00000 0.70824 0.50000 1.00000
  Ni8 Ni 0.70824 0.00000 0.50000 1.00000
  Ni9 Ni 0.29176 0.29176 0.50000 1.00000
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