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Sc4Al3Ag

Alexandria ALEX

Alex-ID: agm050321817 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Sc4Al3Ag
Alex-ID
agm050321817
Elements
3
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
156.72
ų
Cell a
3.3840
Å
Cell b
3.3840
Å
Cell c
13.6853
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sc4Al3Ag
Sc
4.00 · 50.0%
Al
3.00 · 37.5%
Ag
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0073
eV/atom
Formation energy
-0.4038
eV/atom
Corrected total energy
-42.6446
eV
Raw total energy
-42.6446
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0070
eV
DOS at Fermi level
5.4397
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

AB3C4_1146_spg123

Decomposition

Sc3AlAg2 ScAl

Computed at

2025-03-09 10:14:57

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: agm050321817).

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 agm050321817
data_agm050321817
_cell_length_a     3.38401
_cell_length_b     3.38401
_cell_length_c     13.68529
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       156.71768
_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 0.00000 0.00000 0.87156 1.00000
  Sc2 Sc 0.00000 0.00000 0.12844 1.00000
  Sc3 Sc 0.00000 0.00000 0.37739 1.00000
  Sc4 Sc 0.00000 0.00000 0.62261 1.00000
  Al1 Al 0.50000 0.50000 0.25313 1.00000
  Al2 Al 0.50000 0.50000 0.50000 1.00000
  Al3 Al 0.50000 0.50000 0.74687 1.00000
  Ag1 Ag 0.50000 0.50000 0.00000 1.00000
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