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Ta2HgH12

Alexandria ALEX

Alex-ID: agm089931337 · Space group: P1 (#1)

Basic Information

Formula
Ta2HgH12
Alex-ID
agm089931337
Elements
3
Sites
30
Space group
P1 (#1)
Crystal system
triclinic
Volume
311.70
ų
Cell a
7.4865
Å
Cell b
7.2720
Å
Cell c
5.9823
Å
α angle
76.00
°
β angle
85.78
°
γ angle
80.76
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta2HgH12
Ta
4.00 · 13.3%
Hg
2.00 · 6.7%
H
24.00 · 80.0%

Energy & Stability

Energy above hull
0.0756
eV/atom
Formation energy
-0.0361
eV/atom
Corrected total energy
-126.9684
eV
Raw total energy
-126.9684
eV

Electronic Structure

Indirect band gap
0.2036
eV
Direct band gap
0.4896
eV
DOS at Fermi level
0.6147
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C12_307_spg1

Decomposition

TaH5 TaH2 HgH4

Computed at

2025-05-29 15:00:18

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: agm089931337).

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 agm089931337
data_agm089931337
_cell_length_a     7.48652
_cell_length_b     7.27200
_cell_length_c     5.98230
_cell_angle_alpha  75.99590
_cell_angle_beta   85.77570
_cell_angle_gamma  80.75872
_cell_volume       311.70110
_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 0.92532 0.15257 0.40758 1.00000
  Ta2 Ta 0.69311 0.94732 0.23735 1.00000
  Ta3 Ta 0.33253 0.95432 0.55793 1.00000
  Ta4 Ta 0.61305 0.11465 0.72526 1.00000
  Hg1 Hg 0.00540 0.96132 0.95326 1.00000
  Hg2 Hg 0.65395 0.54490 0.40991 1.00000
  H1 H 0.16130 0.04019 0.30311 1.00000
  H2 H 0.84976 0.73580 0.21294 1.00000
  H3 H 0.19994 0.82172 0.80608 1.00000
  H4 H 0.51044 0.35065 0.73846 1.00000
  H5 H 0.43545 0.99363 0.24611 1.00000
  H6 H 0.59119 0.90107 0.56824 1.00000
  H7 H 0.67567 0.17115 0.37444 1.00000
  H8 H 0.41300 0.19709 0.52935 1.00000
  H9 H 0.01830 0.39700 0.26310 1.00000
  H10 H 0.84750 0.62827 0.76925 1.00000
  H11 H 0.14535 0.43794 0.89270 1.00000
  H12 H 0.30401 0.69821 0.50000 1.00000
  H13 H 0.88996 0.89602 0.44404 1.00000
  H14 H 0.12959 0.13665 0.60716 1.00000
  H15 H 0.20517 0.75857 0.46540 1.00000
  H16 H 0.82933 0.23454 0.66743 1.00000
  H17 H 0.63671 0.88407 0.96293 1.00000
  H18 H 0.38631 0.00967 0.82682 1.00000
  H19 H 0.61568 0.17289 0.01509 1.00000
  H20 H 0.40774 0.73353 0.74873 1.00000
  H21 H 0.86756 0.31577 0.14125 1.00000
  H22 H 0.24547 0.40532 0.88213 1.00000
  H23 H 0.83984 0.53713 0.85923 1.00000
  H24 H 0.07137 0.36804 0.38470 1.00000
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