Navigation

HEAS Data Platform · Materials Science Database

Sc2Al7Ag12

Alexandria ALEX

Alex-ID: agm005673468 · Space group: P-3 (#147)

Basic Information

Formula
Sc2Al7Ag12
Alex-ID
agm005673468
Elements
3
Sites
21
Space group
P-3 (#147)
Crystal system
trigonal
Volume
369.89
ų
Cell a
3.0686
Å
Cell b
11.7979
Å
Cell c
11.7979
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sc2Al7Ag12
Sc
2.00 · 9.5%
Al
7.00 · 33.3%
Ag
12.00 · 57.1%

Energy & Stability

Energy above hull
0.0478
eV/atom
Formation energy
-0.1452
eV/atom
Corrected total energy
-76.1463
eV
Raw total energy
-76.1462
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.3142
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B7C12_15_spg174

Decomposition

Sc2Al5Ag AlAg4 ScAlAg2

Computed at

2023-06-21 05:33:50.943302

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: agm005673468).

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 agm005673468
data_agm005673468
_cell_length_a     3.06855
_cell_length_b     11.79791
_cell_length_c     11.79791
_cell_angle_alpha  120.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       369.89169
_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
  Sc1 Sc 0.24529 0.33333 0.66667 1.00000
  Sc2 Sc 0.75471 0.66667 0.33333 1.00000
  Al1 Al 0.50000 0.00000 0.00000 1.00000
  Al2 Al 0.25608 0.86445 0.28890 1.00000
  Al3 Al 0.25608 0.42445 0.13555 1.00000
  Al4 Al 0.25608 0.71110 0.57555 1.00000
  Al5 Al 0.74392 0.13555 0.71110 1.00000
  Al6 Al 0.74392 0.57555 0.86445 1.00000
  Al7 Al 0.74392 0.28890 0.42445 1.00000
  Ag1 Ag 0.25079 0.62043 0.08442 1.00000
  Ag2 Ag 0.25079 0.46399 0.37957 1.00000
  Ag3 Ag 0.25079 0.91558 0.53601 1.00000
  Ag4 Ag 0.74921 0.37957 0.91558 1.00000
  Ag5 Ag 0.74921 0.53601 0.62043 1.00000
  Ag6 Ag 0.74921 0.08442 0.46399 1.00000
  Ag7 Ag 0.24276 0.07672 0.24548 1.00000
  Ag8 Ag 0.24276 0.16877 0.92328 1.00000
  Ag9 Ag 0.24276 0.75452 0.83123 1.00000
  Ag10 Ag 0.75724 0.92328 0.75452 1.00000
  Ag11 Ag 0.75724 0.83123 0.07672 1.00000
  Ag12 Ag 0.75724 0.24548 0.16877 1.00000
Get direct link