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HoMg3Ga2

Alexandria ALEX

Alex-ID: agm071660992 · Space group: P6/mmm (#191)

Basic Information

Formula
HoMg3Ga2
Alex-ID
agm071660992
Elements
3
Sites
6
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
131.32
ų
Cell a
5.8288
Å
Cell b
5.8288
Å
Cell c
4.4632
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoMg3Ga2
Ho
1.00 · 16.7%
Mg
3.00 · 50.0%
Ga
2.00 · 33.3%

Energy & Stability

Energy above hull
0.1398
eV/atom
Formation energy
-0.1787
eV/atom
Corrected total energy
-16.4932
eV
Raw total energy
-16.4932
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.4488
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_237_spg164

Decomposition

HoGa2 Mg5Ga2 HoMgGa

Computed at

2024-09-13 13:21:51.058844

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: agm071660992).

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 agm071660992
data_agm071660992
_cell_length_a     5.82880
_cell_length_b     5.82880
_cell_length_c     4.46322
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       131.32171
_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 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.50000 0.00000 0.50000 1.00000
  Mg2 Mg 0.50000 0.50000 0.50000 1.00000
  Mg3 Mg 0.00000 0.50000 0.50000 1.00000
  Ga1 Ga 0.66667 0.33333 0.00000 1.00000
  Ga2 Ga 0.33333 0.66667 0.00000 1.00000
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