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Ca8MgAl2

Alexandria ALEX

Alex-ID: agm005909232 · Space group: Immm (#71)

Basic Information

Formula
Ca8MgAl2
Alex-ID
agm005909232
Elements
3
Sites
11
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
365.62
ų
Cell a
5.3178
Å
Cell b
8.9433
Å
Cell c
9.2827
Å
α angle
118.80
°
β angle
106.64
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca8MgAl2
Ca
8.00 · 72.7%
Mg
1.00 · 9.1%
Al
2.00 · 18.2%

Energy & Stability

Energy above hull
0.0544
eV/atom
Formation energy
-0.0670
eV/atom
Corrected total energy
-25.8391
eV
Raw total energy
-25.8391
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
7.4235
Total magnetisation
0.0011
μB

Additional Information

Prototype ID

AB2C8_280_spg71

Decomposition

Ca8Al3 CaMg2 Ca

Computed at

2023-09-27 01:47:18

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: agm005909232).

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 agm005909232
data_agm005909232
_cell_length_a     5.31776
_cell_length_b     8.94333
_cell_length_c     9.28266
_cell_angle_alpha  118.79825
_cell_angle_beta   106.64468
_cell_angle_gamma  89.99999
_cell_volume       365.61920
_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 0.66087 0.87116 0.32175 1.00000
  Ca2 Ca 0.33912 0.54941 0.67824 1.00000
  Ca3 Ca 0.14526 0.14525 0.29052 1.00000
  Ca4 Ca 0.00000 0.31672 0.00001 1.00000
  Ca5 Ca 0.85474 0.85475 0.70948 1.00000
  Ca6 Ca 0.66088 0.45059 0.32176 1.00000
  Ca7 Ca 0.33913 0.12884 0.67825 1.00000
  Ca8 Ca 1.00000 0.68328 0.99999 1.00000
  Mg1 Mg 0.50000 0.00000 0.00000 1.00000
  Al1 Al 0.19579 0.69580 0.39158 1.00000
  Al2 Al 0.80421 0.30420 0.60842 1.00000
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