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CaAl6Cu7

Alexandria ALEX

Alex-ID: agm023947394 · Space group: Ibam (#72)

Basic Information

Formula
CaAl6Cu7
Alex-ID
agm023947394
Elements
3
Sites
28
Space group
Ibam (#72)
Crystal system
orthorhombic
Volume
418.23
ų
Cell a
8.4139
Å
Cell b
8.4139
Å
Cell c
8.1146
Å
α angle
61.17
°
β angle
118.83
°
γ angle
118.39
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaAl6Cu7
Ca
2.00 · 7.1%
Al
12.00 · 42.9%
Cu
14.00 · 50.0%

Energy & Stability

Energy above hull
0.0045
eV/atom
Formation energy
-0.2754
eV/atom
Corrected total energy
-114.9002
eV
Raw total energy
-114.9002
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0369
eV
DOS at Fermi level
9.8561
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB6C7_22_spg72

Decomposition

CaAl6Cu7

Computed at

2024-12-02 19:55:30

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: agm023947394).

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 agm023947394
data_agm023947394
_cell_length_a     8.41389
_cell_length_b     8.41389
_cell_length_c     8.11456
_cell_angle_alpha  61.17158
_cell_angle_beta   118.82842
_cell_angle_gamma  118.38734
_cell_volume       418.22576
_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 0.74996 0.74996 0.75000 1.00000
  Ca2 Ca 0.25004 0.25004 0.25000 1.00000
  Al1 Al 0.94780 0.44779 0.81162 1.00000
  Al2 Al 0.05220 0.55221 0.18838 1.00000
  Al3 Al 0.44779 0.94780 0.68838 1.00000
  Al4 Al 0.55221 0.05220 0.31162 1.00000
  Al5 Al 0.44422 0.68775 0.30241 1.00000
  Al6 Al 0.55578 0.31225 0.69759 1.00000
  Al7 Al 0.81225 0.05584 0.95410 1.00000
  Al8 Al 0.68775 0.44422 0.19759 1.00000
  Al9 Al 0.18775 0.94416 0.04590 1.00000
  Al10 Al 0.31225 0.55578 0.80241 1.00000
  Al11 Al 0.05584 0.81225 0.54590 1.00000
  Al12 Al 0.94416 0.18775 0.45410 1.00000
  Cu1 Cu 0.71596 0.21604 0.56792 1.00000
  Cu2 Cu 0.28404 0.78396 0.43208 1.00000
  Cu3 Cu 0.21604 0.71596 0.93208 1.00000
  Cu4 Cu 0.78396 0.28404 0.06792 1.00000
  Cu5 Cu 0.71671 0.56829 0.44795 1.00000
  Cu6 Cu 0.28329 0.43171 0.55205 1.00000
  Cu7 Cu 0.93157 0.78330 0.20041 1.00000
  Cu8 Cu 0.56829 0.71671 0.05205 1.00000
  Cu9 Cu 0.06843 0.21670 0.79959 1.00000
  Cu10 Cu 0.43171 0.28329 0.94795 1.00000
  Cu11 Cu 0.78330 0.93157 0.29959 1.00000
  Cu12 Cu 0.21670 0.06843 0.70041 1.00000
  Cu13 Cu 0.00000 0.50000 0.50000 1.00000
  Cu14 Cu 0.50000 0.00000 0.00000 1.00000
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