Navigation

HEAS Data Platform · Materials Science Database

Sr3Al7Ir2

Alexandria ALEX

Alex-ID: agm024243002 · Space group: R-3m (#166)

Basic Information

Formula
Sr3Al7Ir2
Alex-ID
agm024243002
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
256.75
ų
Cell a
9.3987
Å
Cell b
9.3987
Å
Cell c
9.3987
Å
α angle
36.02
°
β angle
36.02
°
γ angle
36.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr3Al7Ir2
Sr
3.00 · 25.0%
Al
7.00 · 58.3%
Ir
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1545
eV/atom
Formation energy
-0.4035
eV/atom
Corrected total energy
-53.8508
eV
Raw total energy
-53.8508
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.9420
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_3_spg166

Decomposition

Sr3(Al3Ir)4 Sr7Al10 Sr

Computed at

2025-05-15 09:55:22

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: agm024243002).

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 agm024243002
data_agm024243002
_cell_length_a     9.39868
_cell_length_b     9.39868
_cell_length_c     9.39868
_cell_angle_alpha  36.01521
_cell_angle_beta   36.01521
_cell_angle_gamma  36.01521
_cell_volume       256.75082
_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 0.00000 0.00000 0.00000 1.00000
  Sr2 Sr 0.14736 0.14736 0.14736 1.00000
  Sr3 Sr 0.85264 0.85264 0.85264 1.00000
  Al1 Al 0.50000 0.50000 0.50000 1.00000
  Al2 Al 0.07124 0.57445 0.57445 1.00000
  Al3 Al 0.57445 0.57445 0.07124 1.00000
  Al4 Al 0.57445 0.07124 0.57445 1.00000
  Al5 Al 0.92876 0.42555 0.42555 1.00000
  Al6 Al 0.42555 0.92876 0.42555 1.00000
  Al7 Al 0.42555 0.42555 0.92876 1.00000
  Ir1 Ir 0.33513 0.33513 0.33513 1.00000
  Ir2 Ir 0.66487 0.66487 0.66487 1.00000
Get direct link