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Ca3MgAl2

Alexandria ALEX

Alex-ID: agm005678085 · Space group: P2_1/c (#14)

Basic Information

Formula
Ca3MgAl2
Alex-ID
agm005678085
Elements
3
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
675.57
ų
Cell a
9.9591
Å
Cell b
10.6854
Å
Cell c
7.2439
Å
α angle
90.00
°
β angle
118.79
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca3MgAl2
Ca
12.00 · 50.0%
Mg
4.00 · 16.7%
Al
8.00 · 33.3%

Energy & Stability

Energy above hull
0.1156
eV/atom
Formation energy
-0.0893
eV/atom
Corrected total energy
-62.5109
eV
Raw total energy
-62.5109
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0420
eV
DOS at Fermi level
10.3385
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2604_spg14

Decomposition

Ca8Al3 CaMg2 CaAl2

Computed at

2023-08-22 16:18:57.623270

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: agm005678085).

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 agm005678085
data_agm005678085
_cell_length_a     9.95913
_cell_length_b     10.68542
_cell_length_c     7.24395
_cell_angle_alpha  90.00000
_cell_angle_beta   118.79406
_cell_angle_gamma  89.99999
_cell_volume       675.56878
_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 0.21155 0.88442 0.99612 1.00000
  Ca2 Ca 0.28845 0.38442 0.50388 1.00000
  Ca3 Ca 0.78845 0.11558 0.00388 1.00000
  Ca4 Ca 0.71155 0.61558 0.49612 1.00000
  Ca5 Ca 0.38341 0.44167 0.12056 1.00000
  Ca6 Ca 0.11659 0.94167 0.37944 1.00000
  Ca7 Ca 0.61659 0.55833 0.87944 1.00000
  Ca8 Ca 0.88341 0.05833 0.62056 1.00000
  Ca9 Ca 0.97581 0.63717 0.32173 1.00000
  Ca10 Ca 0.52419 0.13717 0.17827 1.00000
  Ca11 Ca 0.02419 0.36283 0.67827 1.00000
  Ca12 Ca 0.47581 0.86283 0.82173 1.00000
  Mg1 Mg 0.56324 0.87628 0.45750 1.00000
  Mg2 Mg 0.93676 0.37628 0.04250 1.00000
  Mg3 Mg 0.43676 0.12372 0.54250 1.00000
  Mg4 Mg 0.06324 0.62372 0.95750 1.00000
  Al1 Al 0.76175 0.86901 0.24976 1.00000
  Al2 Al 0.73825 0.36901 0.25024 1.00000
  Al3 Al 0.23825 0.13099 0.75024 1.00000
  Al4 Al 0.26175 0.63099 0.74976 1.00000
  Al5 Al 0.32748 0.67841 0.41174 1.00000
  Al6 Al 0.17252 0.17841 0.08826 1.00000
  Al7 Al 0.67252 0.32159 0.58826 1.00000
  Al8 Al 0.82748 0.82159 0.91174 1.00000
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