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Mg2TiAs2

Alexandria ALEX

Alex-ID: agm002287635 · Space group: P-3m1 (#164)

Basic Information

Formula
Mg2TiAs2
Alex-ID
agm002287635
Elements
3
Sites
5
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
101.50
ų
Cell a
4.2845
Å
Cell b
4.2845
Å
Cell c
6.3844
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2TiAs2
As
2.00 · 40.0%
Mg
2.00 · 40.0%
Ti
1.00 · 20.0%

Energy & Stability

Energy above hull
0.2647
eV/atom
Formation energy
-0.4619
eV/atom
Corrected total energy
-22.6928
eV
Raw total energy
-22.6928
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0086
eV
DOS at Fermi level
4.7719
Total magnetisation
1.8057
μB

Additional Information

Prototype ID

AB2C2_7_spg164

Decomposition

Ti12As7 Mg3As2 Ti4As3

Computed at

2019-01-12 02:15:56

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: agm002287635).

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 agm002287635
data_agm002287635
_cell_length_a     4.28453
_cell_length_b     4.28453
_cell_length_c     6.38442
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       101.49825
_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 0.66667 0.33333 0.78133 1.00000
  As2 As 0.33333 0.66667 0.21867 1.00000
  Mg1 Mg 0.33333 0.66667 0.65380 1.00000
  Mg2 Mg 0.66667 0.33333 0.34620 1.00000
  Ti1 Ti 0.00000 0.00000 0.00000 1.00000
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