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Al(GaH3)2

Alexandria ALEX

Alex-ID: agm071474427 · Space group: P2_1 (#4)

Basic Information

Formula
Al(GaH3)2
Alex-ID
agm071474427
Elements
3
Sites
36
Space group
P2_1 (#4)
Crystal system
monoclinic
Volume
385.99
ų
Cell a
6.1570
Å
Cell b
8.0569
Å
Cell c
7.7903
Å
α angle
90.01
°
β angle
90.01
°
γ angle
92.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Al(GaH3)2
Al
4.00 · 11.1%
Ga
8.00 · 22.2%
H
24.00 · 66.7%

Energy & Stability

Energy above hull
0.1436
eV/atom
Formation energy
0.0807
eV/atom
Corrected total energy
-114.0650
eV
Raw total energy
-114.0650
eV

Electronic Structure

Indirect band gap
0.9308
eV
Direct band gap
1.1977
eV
DOS at Fermi level
-0.0278
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C6_6464_spg4

Decomposition

AlH9 Ga AlH3

Computed at

2025-05-27 01:01:00

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: agm071474427).

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 agm071474427
data_agm071474427
_cell_length_a     6.15697
_cell_length_b     8.05695
_cell_length_c     7.79030
_cell_angle_alpha  90.01402
_cell_angle_beta   90.00566
_cell_angle_gamma  92.78584
_cell_volume       385.99204
_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
  Al1 Al 0.29271 0.47785 0.37806 1.00000
  Al2 Al 0.04038 0.97037 0.59961 1.00000
  Al3 Al 0.52886 0.17932 0.87813 1.00000
  Al4 Al 0.78110 0.68657 0.09940 1.00000
  Ga1 Ga 0.56296 0.56657 0.75430 1.00000
  Ga2 Ga 0.74628 0.27619 0.25241 1.00000
  Ga3 Ga 0.25854 0.08976 0.25462 1.00000
  Ga4 Ga 0.07518 0.38074 0.75220 1.00000
  Ga5 Ga 0.29800 0.61523 0.99847 1.00000
  Ga6 Ga 0.00539 0.03858 0.00875 1.00000
  Ga7 Ga 0.81612 0.61838 0.50855 1.00000
  Ga8 Ga 0.52330 0.04115 0.49864 1.00000
  H1 H 0.01222 0.75234 0.59281 1.00000
  H2 H 0.17970 0.27660 0.33062 1.00000
  H3 H 0.80918 0.90472 0.09272 1.00000
  H4 H 0.64256 0.38019 0.83043 1.00000
  H5 H 0.50187 0.71565 0.12158 1.00000
  H6 H 0.98057 0.47861 0.42406 1.00000
  H7 H 0.84142 0.17860 0.92429 1.00000
  H8 H 0.31955 0.94116 0.62192 1.00000
  H9 H 0.56923 0.19003 0.64328 1.00000
  H10 H 0.25195 0.46678 0.14345 1.00000
  H11 H 0.03690 0.93064 0.82671 1.00000
  H12 H 0.78475 0.72646 0.32655 1.00000
  H13 H 0.31845 0.67778 0.39389 1.00000
  H14 H 0.01106 0.17650 0.63137 1.00000
  H15 H 0.81041 0.48049 0.13132 1.00000
  H16 H 0.50338 0.97943 0.89381 1.00000
  H17 H 0.76715 0.67255 0.88273 1.00000
  H18 H 0.05399 0.98447 0.38291 1.00000
  H19 H 0.51186 0.23254 0.09723 1.00000
  H20 H 0.31005 0.42501 0.59743 1.00000
  H21 H 0.26577 0.23600 0.85505 1.00000
  H22 H 0.73306 0.93394 0.55876 1.00000
  H23 H 0.55597 0.42137 0.35510 1.00000
  H24 H 0.08849 0.72293 0.05856 1.00000
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