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TmH3

Alexandria ALEX

Alex-ID: agm071229034 · Space group: P2/c (#13)

Basic Information

Formula
TmH3
Alex-ID
agm071229034
Elements
2
Sites
32
Space group
P2/c (#13)
Crystal system
monoclinic
Volume
282.76
ų
Cell a
6.1770
Å
Cell b
7.3508
Å
Cell c
7.3270
Å
α angle
58.20
°
β angle
89.92
°
γ angle
89.91
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TmH3
Tm
8.00 · 25.0%
H
24.00 · 75.0%

Energy & Stability

Energy above hull
0.0067
eV/atom
Formation energy
-0.7082
eV/atom
Corrected total energy
-136.1879
eV
Raw total energy
-136.1879
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
1.3463
eV
DOS at Fermi level
0.8023
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3_5155_spg13

Decomposition

TmH3

Computed at

2024-08-07 20:03:30.307746

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: agm071229034).

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 agm071229034
data_agm071229034
_cell_length_a     6.17700
_cell_length_b     7.35076
_cell_length_c     7.32698
_cell_angle_alpha  58.20381
_cell_angle_beta   89.91593
_cell_angle_gamma  89.90969
_cell_volume       282.75893
_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
  Tm1 Tm 0.29035 0.49991 0.50011 1.00000
  Tm2 Tm 0.29145 0.99993 0.99981 1.00000
  Tm3 Tm 0.45856 0.50025 0.99959 1.00000
  Tm4 Tm 0.45964 0.00026 0.49971 1.00000
  Tm5 Tm 0.79168 0.24954 0.75253 1.00000
  Tm6 Tm 0.95834 0.25011 0.24798 1.00000
  Tm7 Tm 0.79173 0.75011 0.24792 1.00000
  Tm8 Tm 0.95829 0.74956 0.75255 1.00000
  H1 H 0.30853 0.33187 0.32464 1.00000
  H2 H 0.44011 0.16907 0.67421 1.00000
  H3 H 0.47274 0.67334 0.16872 1.00000
  H4 H 0.62466 0.99859 0.99863 1.00000
  H5 H 0.95340 0.06554 0.09182 1.00000
  H6 H 0.12482 0.72362 0.22211 1.00000
  H7 H 0.62687 0.50119 0.50153 1.00000
  H8 H 0.44247 0.83135 0.32500 1.00000
  H9 H 0.77977 0.90466 0.43739 1.00000
  H10 H 0.95517 0.93497 0.90753 1.00000
  H11 H 0.97250 0.59644 0.56214 1.00000
  H12 H 0.47086 0.32460 0.83315 1.00000
  H13 H 0.12535 0.49779 0.99786 1.00000
  H14 H 0.30883 0.66964 0.67381 1.00000
  H15 H 0.79442 0.43543 0.90695 1.00000
  H16 H 0.77653 0.09673 0.56217 1.00000
  H17 H 0.27805 0.17261 0.16948 1.00000
  H18 H 0.62560 0.22382 0.22181 1.00000
  H19 H 0.12423 0.27603 0.77788 1.00000
  H20 H 0.62536 0.77616 0.77751 1.00000
  H21 H 0.27832 0.82397 0.83381 1.00000
  H22 H 0.79702 0.56593 0.09132 1.00000
  H23 H 0.12311 0.00271 0.50287 1.00000
  H24 H 0.97123 0.40427 0.43746 1.00000
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