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Si2Te

Alexandria ALEX

Alex-ID: agm005450073 · Space group: P4/nmm (#129)

Basic Information

Formula
Si2Te
Alex-ID
agm005450073
Elements
2
Sites
6
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
141.27
ų
Cell a
4.5035
Å
Cell b
4.5035
Å
Cell c
6.9653
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Si2Te
Si
4.00 · 66.7%
Te
2.00 · 33.3%

Energy & Stability

Energy above hull
0.2678
eV/atom
Formation energy
0.2462
eV/atom
Corrected total energy
-26.4984
eV
Raw total energy
-26.4984
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0220
eV
DOS at Fermi level
1.3531
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_364_spg129

Decomposition

SiTe2 Si

Computed at

2023-03-21 22:28:23.465764

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: agm005450073).

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 agm005450073
data_agm005450073
_cell_length_a     4.50352
_cell_length_b     4.50352
_cell_length_c     6.96530
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       141.26814
_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
  Si1 Si 0.00000 0.00000 0.00000 1.00000
  Si2 Si 0.50000 0.50000 0.00000 1.00000
  Si3 Si 0.50000 0.00000 0.13920 1.00000
  Si4 Si 0.00000 0.50000 0.86080 1.00000
  Te1 Te 0.50000 0.00000 0.51075 1.00000
  Te2 Te 0.00000 0.50000 0.48925 1.00000
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