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LaTa2

Alexandria ALEX

Alex-ID: agm005442438 · Space group: I4/mcm (#140)

Basic Information

Formula
LaTa2
Alex-ID
agm005442438
Elements
2
Sites
6
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
161.21
ų
Cell a
6.7896
Å
Cell b
6.7896
Å
Cell c
6.7896
Å
α angle
133.63
°
β angle
133.63
°
γ angle
67.67
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaTa2
La
2.00 · 33.3%
Ta
4.00 · 66.7%

Energy & Stability

Energy above hull
0.6714
eV/atom
Formation energy
0.6714
eV/atom
Corrected total energy
-53.2369
eV
Raw total energy
-53.2369
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0083
eV
DOS at Fermi level
10.1232
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_285_spg140

Decomposition

Ta La

Computed at

2023-03-21 09:31:24.260998

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: agm005442438).

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 agm005442438
data_agm005442438
_cell_length_a     6.78960
_cell_length_b     6.78960
_cell_length_c     6.78960
_cell_angle_alpha  133.62689
_cell_angle_beta   133.62689
_cell_angle_gamma  67.67136
_cell_volume       161.21016
_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
  La1 La 0.25000 0.25000 0.00000 1.00000
  La2 La 0.75000 0.75000 0.00000 1.00000
  Ta1 Ta 0.18199 0.31801 0.50000 1.00000
  Ta2 Ta 0.31801 0.81801 0.13601 1.00000
  Ta3 Ta 0.68199 0.18199 0.86399 1.00000
  Ta4 Ta 0.81801 0.68199 0.50000 1.00000
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