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Sr7Mg2Al3

Alexandria ALEX

Alex-ID: agm101569722 · Space group: P1 (#1)

Basic Information

Formula
Sr7Mg2Al3
Alex-ID
agm101569722
Elements
3
Sites
12
Space group
P1 (#1)
Crystal system
triclinic
Volume
459.68
ų
Cell a
7.6950
Å
Cell b
6.5088
Å
Cell c
10.7145
Å
α angle
75.56
°
β angle
73.49
°
γ angle
64.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr7Mg2Al3
Sr
7.00 · 58.3%
Mg
2.00 · 16.7%
Al
3.00 · 25.0%

Energy & Stability

Energy above hull
0.1112
eV/atom
Formation energy
-0.0203
eV/atom
Corrected total energy
-26.4958
eV
Raw total energy
-26.4958
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.8375
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_655_spg1

Decomposition

Sr7Al10 Sr SrMg2

Computed at

2025-05-17 00:37:32

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: agm101569722).

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 agm101569722
data_agm101569722
_cell_length_a     7.69500
_cell_length_b     6.50882
_cell_length_c     10.71447
_cell_angle_alpha  75.56093
_cell_angle_beta   73.48644
_cell_angle_gamma  64.59023
_cell_volume       459.67563
_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 0.30119 0.65880 0.55536 1.00000
  Sr2 Sr 0.48434 0.94021 0.76050 1.00000
  Sr3 Sr 0.96658 0.81767 0.91980 1.00000
  Sr4 Sr 0.92851 0.35821 0.67140 1.00000
  Sr5 Sr 0.49667 0.95084 0.17909 1.00000
  Sr6 Sr 0.16073 0.58667 0.23081 1.00000
  Sr7 Sr 0.82554 0.23323 0.34587 1.00000
  Mg1 Mg 0.43521 0.38728 0.89276 1.00000
  Mg2 Mg 0.70585 0.42029 0.02660 1.00000
  Al1 Al 0.11394 0.22209 0.01331 1.00000
  Al2 Al 0.37061 0.15418 0.45947 1.00000
  Al3 Al 0.71083 0.77053 0.44501 1.00000
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