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Sr4Al4GeSe12

Alexandria ALEX

Alex-ID: agm021072136 · Space group: P-42_1c (#114)

Basic Information

Formula
Sr4Al4GeSe12
Alex-ID
agm021072136
Elements
4
Sites
42
Space group
P-42_1c (#114)
Crystal system
tetragonal
Volume
1,151.20
ų
Cell a
13.4536
Å
Cell b
13.4536
Å
Cell c
6.3603
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr4Al4GeSe12
Sr
8.00 · 19.0%
Al
8.00 · 19.0%
Ge
2.00 · 4.8%
Se
24.00 · 57.1%

Energy & Stability

Energy above hull
0.0192
eV/atom
Formation energy
-1.2615
eV/atom
Corrected total energy
-189.4708
eV
Raw total energy
-189.4708
eV

Electronic Structure

Indirect band gap
1.8695
eV
Direct band gap
1.9002
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C4D12_7_spg114

Decomposition

Sr2GeSe4 Sr(AlSe2)2

Computed at

2024-12-02 19:53:15

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: agm021072136).

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 agm021072136
data_agm021072136
_cell_length_a     13.45357
_cell_length_b     13.45357
_cell_length_c     6.36030
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1151.20478
_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
  Sr1 Sr 0.48293 0.18989 0.54205 1.00000
  Sr2 Sr 0.01707 0.68989 0.95795 1.00000
  Sr3 Sr 0.51707 0.81011 0.54205 1.00000
  Sr4 Sr 0.98293 0.31011 0.95795 1.00000
  Sr5 Sr 0.18989 0.51707 0.45795 1.00000
  Sr6 Sr 0.68989 0.98293 0.04205 1.00000
  Sr7 Sr 0.81011 0.48293 0.45795 1.00000
  Sr8 Sr 0.31011 0.01707 0.04205 1.00000
  Al1 Al 0.76040 0.14230 0.53522 1.00000
  Al2 Al 0.73960 0.64230 0.96478 1.00000
  Al3 Al 0.23960 0.85770 0.53522 1.00000
  Al4 Al 0.26040 0.35770 0.96478 1.00000
  Al5 Al 0.14230 0.23960 0.46478 1.00000
  Al6 Al 0.64230 0.26040 0.03522 1.00000
  Al7 Al 0.85770 0.76040 0.46478 1.00000
  Al8 Al 0.35770 0.73960 0.03522 1.00000
  Ge1 Ge 0.50000 0.50000 0.00000 1.00000
  Ge2 Ge 0.00000 0.00000 0.50000 1.00000
  Se1 Se 0.40281 0.40501 0.75496 1.00000
  Se2 Se 0.09719 0.90501 0.74504 1.00000
  Se3 Se 0.59719 0.59499 0.75496 1.00000
  Se4 Se 0.90281 0.09499 0.74504 1.00000
  Se5 Se 0.40501 0.59719 0.24504 1.00000
  Se6 Se 0.90501 0.90281 0.25496 1.00000
  Se7 Se 0.59499 0.40281 0.24504 1.00000
  Se8 Se 0.09499 0.09719 0.25496 1.00000
  Se9 Se 0.69242 0.29525 0.67802 1.00000
  Se10 Se 0.80758 0.79525 0.82198 1.00000
  Se11 Se 0.30758 0.70475 0.67802 1.00000
  Se12 Se 0.19242 0.20475 0.82198 1.00000
  Se13 Se 0.29525 0.30758 0.32198 1.00000
  Se14 Se 0.79525 0.19242 0.17802 1.00000
  Se15 Se 0.70475 0.69242 0.32198 1.00000
  Se16 Se 0.20475 0.80758 0.17802 1.00000
  Se17 Se 0.35808 0.98747 0.53922 1.00000
  Se18 Se 0.14192 0.48747 0.96078 1.00000
  Se19 Se 0.64192 0.01253 0.53922 1.00000
  Se20 Se 0.85808 0.51253 0.96078 1.00000
  Se21 Se 0.98747 0.64192 0.46078 1.00000
  Se22 Se 0.48747 0.85808 0.03922 1.00000
  Se23 Se 0.01253 0.35808 0.46078 1.00000
  Se24 Se 0.51253 0.14192 0.03922 1.00000
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