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LiTaH4

Alexandria ALEX

Alex-ID: agm005805865 · Space group: P4/mmm (#123)

Basic Information

Formula
LiTaH4
Alex-ID
agm005805865
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
44.73
ų
Cell a
2.9890
Å
Cell b
2.9894
Å
Cell c
5.0057
Å
α angle
90.02
°
β angle
90.01
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LiTaH4
Li
1.00 · 16.7%
Ta
1.00 · 16.7%
H
4.00 · 66.7%

Energy & Stability

Energy above hull
0.0027
eV/atom
Formation energy
-0.3268
eV/atom
Corrected total energy
-28.6864
eV
Raw total energy
-28.6864
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.3626
eV
DOS at Fermi level
0.4022
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_169_spg123

Decomposition

Li(TaH3)2 Li2TaH6

Computed at

2023-07-10 00:17:07.454529

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: agm005805865).

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 agm005805865
data_agm005805865
_cell_length_a     2.98898
_cell_length_b     2.98939
_cell_length_c     5.00567
_cell_angle_alpha  90.01913
_cell_angle_beta   90.00686
_cell_angle_gamma  90.00010
_cell_volume       44.72681
_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
  Li1 Li 0.50129 0.49729 0.99814 1.00000
  Ta1 Ta 0.00131 0.99729 0.49814 1.00000
  H1 H 0.50125 0.99715 0.25152 1.00000
  H2 H 0.50136 0.99741 0.74473 1.00000
  H3 H 0.00135 0.49745 0.74470 1.00000
  H4 H 0.00123 0.49713 0.25160 1.00000
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