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Ta4GaCu

Alexandria ALEX

Alex-ID: agm015087341 · Space group: I422 (#97)

Basic Information

Formula
Ta4GaCu
Alex-ID
agm015087341
Elements
3
Sites
6
Space group
I422 (#97)
Crystal system
tetragonal
Volume
99.96
ų
Cell a
5.1162
Å
Cell b
5.1162
Å
Cell c
5.1162
Å
α angle
104.08
°
β angle
104.08
°
γ angle
120.90
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta4GaCu
Ta
4.00 · 66.7%
Ga
1.00 · 16.7%
Cu
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0268
eV/atom
Formation energy
-0.0901
eV/atom
Corrected total energy
-55.1406
eV
Raw total energy
-55.1406
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0576
eV
DOS at Fermi level
4.5985
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_561_spg5

Decomposition

Ta2Ga Ta Cu

Computed at

2025-04-14 10:17:22

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: agm015087341).

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 agm015087341
data_agm015087341
_cell_length_a     5.11623
_cell_length_b     5.11623
_cell_length_c     5.11623
_cell_angle_alpha  104.07570
_cell_angle_beta   104.07570
_cell_angle_gamma  120.90344
_cell_volume       99.96420
_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 0.09455 0.59455 0.18909 1.00000
  Ta2 Ta 0.40545 0.90545 0.81091 1.00000
  Ta3 Ta 0.59455 0.40545 0.50000 1.00000
  Ta4 Ta 0.90545 0.09455 0.50000 1.00000
  Ga1 Ga 0.50000 0.50000 0.00000 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
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