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CaAl2Cu

Alexandria ALEX

Alex-ID: agm005683059 · Space group: Pnma (#62)

Basic Information

Formula
CaAl2Cu
Alex-ID
agm005683059
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
616.90
ų
Cell a
5.6455
Å
Cell b
7.0137
Å
Cell c
15.5799
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaAl2Cu
Ca
8.00 · 25.0%
Al
16.00 · 50.0%
Cu
8.00 · 25.0%

Energy & Stability

Energy above hull
0.0284
eV/atom
Formation energy
-0.2879
eV/atom
Corrected total energy
-118.4381
eV
Raw total energy
-118.4381
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0696
eV
DOS at Fermi level
11.3678
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_547_spg62

Decomposition

CaAl2Cu

Computed at

2023-07-11 19:36:39.794632

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: agm005683059).

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 agm005683059
data_agm005683059
_cell_length_a     5.64547
_cell_length_b     7.01374
_cell_length_c     15.57988
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       616.89827
_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
  Ca1 Ca 0.48086 0.25000 0.13735 1.00000
  Ca2 Ca 0.98086 0.75000 0.36265 1.00000
  Ca3 Ca 0.51914 0.75000 0.86265 1.00000
  Ca4 Ca 0.01914 0.25000 0.63735 1.00000
  Ca5 Ca 0.77781 0.25000 0.39504 1.00000
  Ca6 Ca 0.27781 0.75000 0.10496 1.00000
  Ca7 Ca 0.22219 0.75000 0.60496 1.00000
  Ca8 Ca 0.72219 0.25000 0.89504 1.00000
  Al1 Al 0.97715 0.05715 0.21258 1.00000
  Al2 Al 0.47715 0.94285 0.28742 1.00000
  Al3 Al 0.02285 0.55715 0.78742 1.00000
  Al4 Al 0.52285 0.44285 0.71258 1.00000
  Al5 Al 0.02285 0.94285 0.78742 1.00000
  Al6 Al 0.52285 0.05715 0.71258 1.00000
  Al7 Al 0.97715 0.44285 0.21258 1.00000
  Al8 Al 0.47715 0.55715 0.28742 1.00000
  Al9 Al 0.78598 0.55947 0.04093 1.00000
  Al10 Al 0.28598 0.44053 0.45907 1.00000
  Al11 Al 0.21402 0.05947 0.95907 1.00000
  Al12 Al 0.71402 0.94053 0.54093 1.00000
  Al13 Al 0.21402 0.44053 0.95907 1.00000
  Al14 Al 0.71402 0.55947 0.54093 1.00000
  Al15 Al 0.78598 0.94053 0.04093 1.00000
  Al16 Al 0.28598 0.05947 0.45907 1.00000
  Cu1 Cu 0.25282 0.25000 0.31757 1.00000
  Cu2 Cu 0.75282 0.75000 0.18243 1.00000
  Cu3 Cu 0.74718 0.75000 0.68243 1.00000
  Cu4 Cu 0.24718 0.25000 0.81757 1.00000
  Cu5 Cu 0.98672 0.25000 0.07223 1.00000
  Cu6 Cu 0.48672 0.75000 0.42777 1.00000
  Cu7 Cu 0.01328 0.75000 0.92777 1.00000
  Cu8 Cu 0.51328 0.25000 0.57223 1.00000
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