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Sc2TaAu2

Alexandria ALEX

Alex-ID: agm003014476 · Space group: P4/mbm (#127)

Basic Information

Formula
Sc2TaAu2
Alex-ID
agm003014476
Elements
3
Sites
10
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
197.88
ų
Cell a
7.6963
Å
Cell b
7.6963
Å
Cell c
3.3407
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sc2TaAu2
Sc
4.00 · 40.0%
Au
4.00 · 40.0%
Ta
2.00 · 20.0%

Energy & Stability

Energy above hull
0.3131
eV/atom
Formation energy
-0.3352
eV/atom
Corrected total energy
-65.4929
eV
Raw total energy
-65.4929
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.6435
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_3_spg127

Decomposition

Ta ScAu

Computed at

2016-12-02 05:13:22

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: agm003014476).

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 agm003014476
data_agm003014476
_cell_length_a     7.69634
_cell_length_b     7.69634
_cell_length_c     3.34070
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       197.88198
_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 0.16727 0.66727 0.50000 1.00000
  Sc2 Sc 0.66727 0.83273 0.50000 1.00000
  Sc3 Sc 0.83273 0.33273 0.50000 1.00000
  Sc4 Sc 0.33273 0.16727 0.50000 1.00000
  Au1 Au 0.36680 0.86680 0.00000 1.00000
  Au2 Au 0.86680 0.63320 0.00000 1.00000
  Au3 Au 0.63320 0.13320 0.00000 1.00000
  Au4 Au 0.13320 0.36680 0.00000 1.00000
  Ta1 Ta 0.00000 0.00000 0.00000 1.00000
  Ta2 Ta 0.50000 0.50000 0.00000 1.00000
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