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LiAlH4

Alexandria ALEX

Alex-ID: agm003233183 · Space group: P2_1/c (#14)

Basic Information

Formula
LiAlH4
Alex-ID
agm003233183
Elements
3
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
257.79
ų
Cell a
7.6127
Å
Cell b
4.7173
Å
Cell c
7.4135
Å
α angle
75.54
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LiAlH4
Al
4.00 · 16.7%
H
16.00 · 66.7%
Li
4.00 · 16.7%

Energy & Stability

Energy above hull
0.0142
eV/atom
Formation energy
-0.2379
eV/atom
Corrected total energy
-80.1817
eV
Raw total energy
-80.1817
eV

Electronic Structure

Indirect band gap
4.7109
eV
Direct band gap
4.7541
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_470_spg14

Decomposition

Li3AlH6 AlH3

Computed at

2021-12-10 20:39:33.224670

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: agm003233183).

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 agm003233183
data_agm003233183
_cell_length_a     7.61268
_cell_length_b     4.71735
_cell_length_c     7.41352
_cell_angle_alpha  75.53670
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       257.79456
_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 0.79994 0.80382 0.07223 1.00000
  Al2 Al 0.29994 0.69618 0.42777 1.00000
  Al3 Al 0.20006 0.19618 0.92777 1.00000
  Al4 Al 0.70006 0.30382 0.57223 1.00000
  H1 H 0.90552 0.58870 0.24211 1.00000
  H2 H 0.40552 0.91130 0.25789 1.00000
  H3 H 0.09448 0.41130 0.75789 1.00000
  H4 H 0.59448 0.08870 0.74211 1.00000
  H5 H 0.62383 0.63176 0.02752 1.00000
  H6 H 0.12383 0.86824 0.47248 1.00000
  H7 H 0.37617 0.36824 0.97248 1.00000
  H8 H 0.87617 0.13176 0.52752 1.00000
  H9 H 0.91941 0.88852 0.88535 1.00000
  H10 H 0.41941 0.61148 0.61465 1.00000
  H11 H 0.08059 0.11148 0.11465 1.00000
  H12 H 0.58059 0.38852 0.38535 1.00000
  H13 H 0.74138 0.09503 0.13532 1.00000
  H14 H 0.24138 0.40497 0.36468 1.00000
  H15 H 0.25862 0.90497 0.86468 1.00000
  H16 H 0.75862 0.59503 0.63532 1.00000
  Li1 Li 0.52969 0.26042 0.17781 1.00000
  Li2 Li 0.02969 0.23958 0.32219 1.00000
  Li3 Li 0.47031 0.73958 0.82219 1.00000
  Li4 Li 0.97031 0.76042 0.67781 1.00000
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