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Sr2Al4Ge3Pt

Alexandria ALEX

Alex-ID: agm004507570 · Space group: P-4m2 (#115)

Basic Information

Formula
Sr2Al4Ge3Pt
Alex-ID
agm004507570
Elements
4
Sites
10
Space group
P-4m2 (#115)
Crystal system
tetragonal
Volume
214.49
ų
Cell a
4.5355
Å
Cell b
4.5355
Å
Cell c
10.4270
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr2Al4Ge3Pt
Sr
2.00 · 20.0%
Al
4.00 · 40.0%
Ge
3.00 · 30.0%
Pt
1.00 · 10.0%

Energy & Stability

Energy above hull
0.1280
eV/atom
Formation energy
-0.4678
eV/atom
Corrected total energy
-42.9792
eV
Raw total energy
-42.9792
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0184
eV
DOS at Fermi level
4.0830
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D4_52_spg115

Decomposition

SrAl8GePt4 Sr3(AlGe2)2 SrAl4Ge2Pt

Computed at

2022-06-21 01:30:03.474342

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: agm004507570).

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 agm004507570
data_agm004507570
_cell_length_a     4.53546
_cell_length_b     4.53546
_cell_length_c     10.42703
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       214.48808
_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 0.50000 0.00000 0.26059 1.00000
  Sr2 Sr 0.00000 0.50000 0.73941 1.00000
  Al1 Al 0.50000 0.50000 0.00000 1.00000
  Al2 Al 0.00000 0.00000 0.00000 1.00000
  Al3 Al 0.50000 0.00000 0.61477 1.00000
  Al4 Al 0.00000 0.50000 0.38523 1.00000
  Ge1 Ge 0.00000 0.00000 0.50000 1.00000
  Ge2 Ge 0.50000 0.00000 0.86833 1.00000
  Ge3 Ge 0.00000 0.50000 0.13167 1.00000
  Pt1 Pt 0.50000 0.50000 0.50000 1.00000
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