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Ca4La2Mg

Alexandria ALEX

Alex-ID: agm017395093 · Space group: I4/mmm (#139)

Basic Information

Formula
Ca4La2Mg
Alex-ID
agm017395093
Elements
3
Sites
7
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
269.25
ų
Cell a
17.3654
Å
Cell b
17.3654
Å
Cell c
17.3654
Å
α angle
166.89
°
β angle
166.89
°
γ angle
18.58
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4La2Mg
Ca
4.00 · 57.1%
La
2.00 · 28.6%
Mg
1.00 · 14.3%

Energy & Stability

Energy above hull
0.0311
eV/atom
Formation energy
-0.0012
eV/atom
Corrected total energy
-19.4661
eV
Raw total energy
-19.4661
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0432
eV
DOS at Fermi level
9.7818
Total magnetisation
-0.0018
μB

Additional Information

Prototype ID

AB2C4_2510_spg71

Decomposition

LaMg Ca La

Computed at

2025-05-20 09:05:05

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: agm017395093).

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 agm017395093
data_agm017395093
_cell_length_a     17.36542
_cell_length_b     17.36542
_cell_length_c     17.36542
_cell_angle_alpha  166.89357
_cell_angle_beta   166.89357
_cell_angle_gamma  18.57615
_cell_volume       269.24823
_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 0.21090 0.21090 0.00000 1.00000
  Ca2 Ca 0.78910 0.78910 0.00000 1.00000
  Ca3 Ca 0.36688 0.36688 0.00000 1.00000
  Ca4 Ca 0.63312 0.63312 0.00000 1.00000
  La1 La 0.05511 0.05511 0.00000 1.00000
  La2 La 0.94489 0.94489 0.00000 1.00000
  Mg1 Mg 0.50000 0.50000 0.00000 1.00000
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