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Mg2CdAs2

Alexandria ALEX

Alex-ID: agm002931008 · Space group: I4/mmm (#139)

Basic Information

Formula
Mg2CdAs2
Alex-ID
agm002931008
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
115.83
ų
Cell a
4.8600
Å
Cell b
4.8600
Å
Cell c
5.9882
Å
α angle
66.06
°
β angle
66.06
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2CdAs2
As
2.00 · 40.0%
Mg
2.00 · 40.0%
Cd
1.00 · 20.0%

Energy & Stability

Energy above hull
0.1728
eV/atom
Formation energy
-0.2814
eV/atom
Corrected total energy
-14.8188
eV
Raw total energy
-14.8188
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.3139
eV
DOS at Fermi level
0.1418
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_5_spg139

Decomposition

Cd3As2 Mg3As2

Computed at

2017-06-17 18:12:17

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: agm002931008).

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 agm002931008
data_agm002931008
_cell_length_a     4.85999
_cell_length_b     4.85999
_cell_length_c     5.98819
_cell_angle_alpha  66.05884
_cell_angle_beta   66.05884
_cell_angle_gamma  90.00000
_cell_volume       115.82858
_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
  As1 As 0.37415 0.37415 0.25169 1.00000
  As2 As 0.62585 0.62585 0.74831 1.00000
  Mg1 Mg 0.75000 0.25000 0.50000 1.00000
  Mg2 Mg 0.25000 0.75000 0.50000 1.00000
  Cd1 Cd 0.00000 0.00000 0.00000 1.00000
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