Navigation

HEAS Data Platform · Materials Science Database

TaH3

Alexandria ALEX

Alex-ID: agm090740431 · Space group: P2_1 (#4)

Basic Information

Formula
TaH3
Alex-ID
agm090740431
Elements
2
Sites
24
Space group
P2_1 (#4)
Crystal system
monoclinic
Volume
162.44
ų
Cell a
5.6435
Å
Cell b
6.1430
Å
Cell c
5.2343
Å
α angle
90.00
°
β angle
90.00
°
γ angle
116.47
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TaH3
Ta
6.00 · 25.0%
H
18.00 · 75.0%

Energy & Stability

Energy above hull
0.1207
eV/atom
Formation energy
-0.0364
eV/atom
Corrected total energy
-130.3043
eV
Raw total energy
-130.3043
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1157
eV
DOS at Fermi level
2.7374
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3_6189_spg4

Decomposition

TaH5 TaH2

Computed at

2025-05-26 21:48:07

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: agm090740431).

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 agm090740431
data_agm090740431
_cell_length_a     5.64353
_cell_length_b     6.14304
_cell_length_c     5.23430
_cell_angle_alpha  90.00085
_cell_angle_beta   89.99902
_cell_angle_gamma  116.47127
_cell_volume       162.43983
_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 0.32060 0.94244 0.05224 1.00000
  Ta2 Ta 0.31844 0.30629 0.52580 1.00000
  Ta3 Ta 0.00266 0.33688 0.03769 1.00000
  Ta4 Ta 0.67939 0.05756 0.55223 1.00000
  Ta5 Ta 0.68154 0.69371 0.02582 1.00000
  Ta6 Ta 0.99732 0.66311 0.53770 1.00000
  H1 H 0.51826 0.17919 0.31839 1.00000
  H2 H 0.01449 0.19802 0.72284 1.00000
  H3 H 0.22750 0.20511 0.18598 1.00000
  H4 H 0.48173 0.82081 0.81839 1.00000
  H5 H 0.98550 0.80191 0.22283 1.00000
  H6 H 0.77255 0.79494 0.68601 1.00000
  H7 H 0.34787 0.83606 0.38664 1.00000
  H8 H 0.38300 0.41532 0.87812 1.00000
  H9 H 0.95205 0.34594 0.39203 1.00000
  H10 H 0.65211 0.16394 0.88664 1.00000
  H11 H 0.61698 0.58473 0.37815 1.00000
  H12 H 0.04800 0.65404 0.89201 1.00000
  H13 H 0.28288 0.58890 0.57644 1.00000
  H14 H 0.71712 0.41111 0.07645 1.00000
  H15 H 0.66737 0.35732 0.63856 1.00000
  H16 H 0.33261 0.64268 0.13856 1.00000
  H17 H 0.96140 0.00220 0.98855 1.00000
  H18 H 0.03861 0.99779 0.48850 1.00000
Get direct link