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CaMg4Ta

Alexandria ALEX

Alex-ID: agm005452801 · Space group: F-43m (#216)

Basic Information

Formula
CaMg4Ta
Alex-ID
agm005452801
Elements
3
Sites
6
Space group
F-43m (#216)
Crystal system
cubic
Volume
139.84
ų
Cell a
5.8261
Å
Cell b
5.8261
Å
Cell c
5.8261
Å
α angle
60.00
°
β angle
60.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaMg4Ta
Ca
1.00 · 16.7%
Mg
4.00 · 66.7%
Ta
1.00 · 16.7%

Energy & Stability

Energy above hull
0.4454
eV/atom
Formation energy
0.3884
eV/atom
Corrected total energy
-17.9027
eV
Raw total energy
-17.9027
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.3367
Total magnetisation
3.1095
μB

Additional Information

Prototype ID

ABC4_12_spg216

Decomposition

CaMg2 Mg Ta

Computed at

2023-03-21 11:26:26.508372

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: agm005452801).

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 agm005452801
data_agm005452801
_cell_length_a     5.82613
_cell_length_b     5.82613
_cell_length_c     5.82613
_cell_angle_alpha  60.00000
_cell_angle_beta   60.00000
_cell_angle_gamma  60.00000
_cell_volume       139.83819
_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 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.87103 0.37632 0.37632 1.00000
  Mg2 Mg 0.37632 0.37632 0.87103 1.00000
  Mg3 Mg 0.37632 0.87103 0.37632 1.00000
  Mg4 Mg 0.37632 0.37632 0.37632 1.00000
  Ta1 Ta 0.75000 0.75000 0.75000 1.00000
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