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MgAs2

Alexandria ALEX

Alex-ID: agm005461045 · Space group: C2/m (#12)

Basic Information

Formula
MgAs2
Alex-ID
agm005461045
Elements
2
Sites
6
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
142.37
ų
Cell a
4.6905
Å
Cell b
4.6905
Å
Cell c
9.1848
Å
α angle
90.51
°
β angle
90.51
°
γ angle
44.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgAs2
Mg
2.00 · 33.3%
As
4.00 · 66.7%

Energy & Stability

Energy above hull
0.1831
eV/atom
Formation energy
-0.1834
eV/atom
Corrected total energy
-22.8880
eV
Raw total energy
-22.8880
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0402
eV
DOS at Fermi level
1.1367
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_2532_spg12

Decomposition

MgAs4 Mg3As2

Computed at

2023-03-21 11:47:51.930095

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: agm005461045).

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 agm005461045
data_agm005461045
_cell_length_a     4.69055
_cell_length_b     4.69055
_cell_length_c     9.18478
_cell_angle_alpha  90.50591
_cell_angle_beta   90.50591
_cell_angle_gamma  44.79367
_cell_volume       142.36784
_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
  Mg1 Mg 0.19668 0.19668 0.72695 1.00000
  Mg2 Mg 0.80332 0.80332 0.27305 1.00000
  As1 As 0.51360 0.51360 0.36785 1.00000
  As2 As 0.83783 0.83783 0.95361 1.00000
  As3 As 0.16217 0.16217 0.04639 1.00000
  As4 As 0.48640 0.48640 0.63215 1.00000
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