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TaAu2

Alexandria ALEX

Alex-ID: agm005474741 · Space group: I4/mcm (#140)

Basic Information

Formula
TaAu2
Alex-ID
agm005474741
Elements
2
Sites
6
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
116.10
ų
Cell a
5.3881
Å
Cell b
5.3881
Å
Cell c
5.3881
Å
α angle
103.64
°
β angle
103.64
°
γ angle
121.88
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TaAu2
Ta
2.00 · 33.3%
Au
4.00 · 66.7%

Energy & Stability

Energy above hull
0.3222
eV/atom
Formation energy
0.2438
eV/atom
Corrected total energy
-35.3521
eV
Raw total energy
-35.3521
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.7518
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_36_spg12

Decomposition

Ta3Au2 Au

Computed at

2023-03-22 00:15:08.958184

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: agm005474741).

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 agm005474741
data_agm005474741
_cell_length_a     5.38807
_cell_length_b     5.38807
_cell_length_c     5.38807
_cell_angle_alpha  103.64468
_cell_angle_beta   103.64468
_cell_angle_gamma  121.88392
_cell_volume       116.10300
_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
  Ta1 Ta 0.75000 0.75000 0.00000 1.00000
  Ta2 Ta 0.25000 0.25000 0.00000 1.00000
  Au1 Au 0.85258 0.64742 0.50000 1.00000
  Au2 Au 0.64742 0.14742 0.79484 1.00000
  Au3 Au 0.35258 0.85258 0.20516 1.00000
  Au4 Au 0.14742 0.35258 0.50000 1.00000
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