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Ac2Al5Cu4

Alexandria ALEX

Alex-ID: agm005652856 · Space group: Fmmm (#69)

Basic Information

Formula
Ac2Al5Cu4
Alex-ID
agm005652856
Elements
3
Sites
11
Space group
Fmmm (#69)
Crystal system
orthorhombic
Volume
216.35
ų
Cell a
5.7290
Å
Cell b
5.7686
Å
Cell c
8.0678
Å
α angle
79.85
°
β angle
69.20
°
γ angle
60.23
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2Al5Cu4
Ac
2.00 · 18.2%
Al
5.00 · 45.5%
Cu
4.00 · 36.4%

Energy & Stability

Energy above hull
0.0585
eV/atom
Formation energy
-0.2913
eV/atom
Corrected total energy
-46.7882
eV
Raw total energy
-46.7882
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.9012
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B4C5_154_spg69

Decomposition

AcAl3Cu2 AcAlCu2

Computed at

2023-06-21 09:52:30.677719

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: agm005652856).

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 agm005652856
data_agm005652856
_cell_length_a     5.72899
_cell_length_b     5.76862
_cell_length_c     8.06781
_cell_angle_alpha  79.84531
_cell_angle_beta   69.20338
_cell_angle_gamma  60.22700
_cell_volume       216.35421
_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 0.86469 0.00000 0.27062 1.00000
  Ac2 Ac 0.13531 0.00000 0.72938 1.00000
  Al1 Al 0.50000 0.00000 0.00000 1.00000
  Al2 Al 0.00000 0.50000 0.00000 1.00000
  Al3 Al 0.50000 0.50000 0.00000 1.00000
  Al4 Al 0.25000 0.50000 0.50000 1.00000
  Al5 Al 0.75000 0.50000 0.50000 1.00000
  Cu1 Cu 0.77942 0.70903 0.73212 1.00000
  Cu2 Cu 0.22058 0.29097 0.26788 1.00000
  Cu3 Cu 0.51155 0.70903 0.26788 1.00000
  Cu4 Cu 0.48845 0.29097 0.73212 1.00000
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