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MgSn2Te3

Alexandria ALEX

Alex-ID: agm005644669 · Space group: Fddd (#70)

Basic Information

Formula
MgSn2Te3
Alex-ID
agm005644669
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
741.92
ų
Cell a
7.6912
Å
Cell b
7.6912
Å
Cell c
14.0359
Å
α angle
100.48
°
β angle
100.48
°
γ angle
109.66
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgSn2Te3
Mg
4.00 · 16.7%
Sn
8.00 · 33.3%
Te
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0410
eV/atom
Formation energy
-0.4447
eV/atom
Corrected total energy
-86.7734
eV
Raw total energy
-86.7734
eV

Electronic Structure

Indirect band gap
0.4692
eV
Direct band gap
0.8446
eV
DOS at Fermi level
-0.1237
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

SnTe MgTe

Computed at

2023-08-22 17:41:40.680046

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: agm005644669).

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 agm005644669
data_agm005644669
_cell_length_a     7.69117
_cell_length_b     7.69117
_cell_length_c     14.03593
_cell_angle_alpha  100.47524
_cell_angle_beta   100.47525
_cell_angle_gamma  109.65847
_cell_volume       741.91936
_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 0.91629 0.91629 0.83258 1.00000
  Mg2 Mg 0.33371 0.83371 0.66742 1.00000
  Mg3 Mg 0.16629 0.66629 0.33258 1.00000
  Mg4 Mg 0.08371 0.08371 0.16742 1.00000
  Sn1 Sn 0.99974 0.49974 0.99948 1.00000
  Sn2 Sn 0.41769 0.41769 0.83538 1.00000
  Sn3 Sn 0.83231 0.33231 0.66462 1.00000
  Sn4 Sn 0.25026 0.25026 0.50052 1.00000
  Sn5 Sn 0.74974 0.74974 0.49948 1.00000
  Sn6 Sn 0.66769 0.16769 0.33538 1.00000
  Sn7 Sn 0.58231 0.58231 0.16462 1.00000
  Sn8 Sn 0.50026 0.00026 0.00052 1.00000
  Te1 Te 0.16420 0.67849 0.82678 1.00000
  Te2 Te 0.66258 0.14829 0.82678 1.00000
  Te3 Te 0.08580 0.07151 0.67322 1.00000
  Te4 Te 0.58742 0.60171 0.67322 1.00000
  Te5 Te 0.01890 0.51890 0.50000 1.00000
  Te6 Te 0.48110 0.98110 0.50000 1.00000
  Te7 Te 0.39829 0.41258 0.32678 1.00000
  Te8 Te 0.92849 0.91420 0.32678 1.00000
  Te9 Te 0.85171 0.33742 0.17322 1.00000
  Te10 Te 0.32151 0.83580 0.17322 1.00000
  Te11 Te 0.23110 0.23110 1.00000 1.00000
  Te12 Te 0.76890 0.76890 0.00000 1.00000
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