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Ta2H5

Alexandria ALEX

Alex-ID: agm089941543 · Space group: P1 (#1)

Basic Information

Formula
Ta2H5
Alex-ID
agm089941543
Elements
2
Sites
56
Space group
P1 (#1)
Crystal system
triclinic
Volume
411.66
ų
Cell a
6.4784
Å
Cell b
6.5866
Å
Cell c
9.7435
Å
α angle
88.00
°
β angle
97.80
°
γ angle
90.56
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta2H5
Ta
16.00 · 28.6%
H
40.00 · 71.4%

Energy & Stability

Energy above hull
0.0934
eV/atom
Formation energy
-0.0823
eV/atom
Corrected total energy
-323.8384
eV
Raw total energy
-323.8383
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0270
eV
DOS at Fermi level
14.0386
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B5_834_spg1

Decomposition

TaH5 TaH2

Computed at

2025-05-27 00:58:21

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: agm089941543).

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 agm089941543
data_agm089941543
_cell_length_a     6.47840
_cell_length_b     6.58657
_cell_length_c     9.74350
_cell_angle_alpha  88.00438
_cell_angle_beta   97.80260
_cell_angle_gamma  90.55738
_cell_volume       411.65504
_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 0.00804 0.22247 0.01337 1.00000
  Ta2 Ta 0.76137 0.99229 0.25602 1.00000
  Ta3 Ta 0.01583 0.77043 0.03921 1.00000
  Ta4 Ta 0.75603 0.01690 0.77588 1.00000
  Ta5 Ta 0.31558 0.47401 0.21951 1.00000
  Ta6 Ta 0.06755 0.27916 0.46322 1.00000
  Ta7 Ta 0.26337 0.01202 0.30415 1.00000
  Ta8 Ta 0.58095 0.31616 0.47364 1.00000
  Ta9 Ta 0.24555 0.98732 0.77753 1.00000
  Ta10 Ta 0.54075 0.80047 0.52899 1.00000
  Ta11 Ta 0.78557 0.51390 0.76943 1.00000
  Ta12 Ta 0.52086 0.26853 0.97376 1.00000
  Ta13 Ta 0.53246 0.72451 0.97936 1.00000
  Ta14 Ta 0.32395 0.49282 0.69885 1.00000
  Ta15 Ta 0.78892 0.48422 0.20750 1.00000
  Ta16 Ta 0.04250 0.79100 0.55711 1.00000
  H1 H 0.01888 0.98730 0.39446 1.00000
  H2 H 0.98558 0.03104 0.65624 1.00000
  H3 H 0.23173 0.20723 0.89929 1.00000
  H4 H 0.19313 0.24163 0.65777 1.00000
  H5 H 0.52959 0.00181 0.88824 1.00000
  H6 H 0.53573 0.98679 0.09681 1.00000
  H7 H 0.78919 0.13557 0.43460 1.00000
  H8 H 0.75387 0.23685 0.11086 1.00000
  H9 H 0.47655 0.56767 0.39641 1.00000
  H10 H 0.56287 0.52818 0.61038 1.00000
  H11 H 0.78140 0.76240 0.88621 1.00000
  H12 H 0.78846 0.77145 0.66273 1.00000
  H13 H 0.01347 0.52159 0.91706 1.00000
  H14 H 0.02766 0.48740 0.11140 1.00000
  H15 H 0.25917 0.78917 0.43576 1.00000
  H16 H 0.54798 0.65673 0.17922 1.00000
  H17 H 0.93435 0.25273 0.80492 1.00000
  H18 H 0.05208 0.59692 0.71415 1.00000
  H19 H 0.91461 0.75724 0.22235 1.00000
  H20 H 0.15357 0.23906 0.20080 1.00000
  H21 H 0.33796 0.14000 0.47733 1.00000
  H22 H 0.17300 0.53706 0.51995 1.00000
  H23 H 0.36083 0.49903 0.90293 1.00000
  H24 H 0.18542 0.00271 0.08938 1.00000
  H25 H 0.48985 0.21726 0.28405 1.00000
  H26 H 0.51895 0.87013 0.32646 1.00000
  H27 H 0.39926 0.74139 0.79002 1.00000
  H28 H 0.82984 0.34783 0.60192 1.00000
  H29 H 0.84233 0.98946 0.05363 1.00000
  H30 H 0.71065 0.49268 0.97018 1.00000
  H31 H 0.07848 0.49202 0.32522 1.00000
  H32 H 0.66818 0.06243 0.57828 1.00000
  H33 H 0.78275 0.79691 0.42517 1.00000
  H34 H 0.56748 0.31173 0.77968 1.00000
  H35 H 0.24667 0.81523 0.94124 1.00000
  H36 H 0.91402 0.23298 0.28030 1.00000
  H37 H 0.81500 0.46283 0.40866 1.00000
  H38 H 0.47546 0.96893 0.67624 1.00000
  H39 H 0.28082 0.36359 0.04839 1.00000
  H40 H 0.22392 0.75083 0.20379 1.00000
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