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Ac2Al2H5

Alexandria ALEX

Alex-ID: agm007347736 · Space group: C2/m (#12)

Basic Information

Formula
Ac2Al2H5
Alex-ID
agm007347736
Elements
3
Sites
9
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
140.49
ų
Cell a
4.7911
Å
Cell b
4.7906
Å
Cell c
7.8619
Å
α angle
63.99
°
β angle
63.99
°
γ angle
65.97
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2Al2H5
Ac
2.00 · 22.2%
Al
2.00 · 22.2%
H
5.00 · 55.6%

Energy & Stability

Energy above hull
0.2294
eV/atom
Formation energy
-0.3129
eV/atom
Corrected total energy
-34.7223
eV
Raw total energy
-34.7223
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.8032
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C5_1490_spg12

Decomposition

AcAl4 AcH3 Al

Computed at

2024-02-10 13:36:18

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: agm007347736).

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 agm007347736
data_agm007347736
_cell_length_a     4.79108
_cell_length_b     4.79057
_cell_length_c     7.86194
_cell_angle_alpha  63.98537
_cell_angle_beta   63.98753
_cell_angle_gamma  65.97005
_cell_volume       140.48549
_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
  Ac1 Ac 0.00000 0.00000 0.00000 1.00000
  Ac2 Ac 0.00000 0.00000 0.50000 1.00000
  Al1 Al 0.47035 0.47031 0.26101 1.00000
  Al2 Al 0.52965 0.52969 0.73899 1.00000
  H1 H 0.41120 0.89265 0.17545 1.00000
  H2 H 0.58880 0.10735 0.82455 1.00000
  H3 H 0.50000 0.50000 0.50000 1.00000
  H4 H 0.89264 0.41118 0.17546 1.00000
  H5 H 0.10736 0.58882 0.82454 1.00000
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