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Li3Tm2H7

Alexandria ALEX

Alex-ID: agm098315010 · Space group: P-3 (#147)

Basic Information

Formula
Li3Tm2H7
Alex-ID
agm098315010
Elements
3
Sites
12
Space group
P-3 (#147)
Crystal system
trigonal
Volume
130.50
ų
Cell a
4.3999
Å
Cell b
4.3999
Å
Cell c
7.7836
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li3Tm2H7
Li
3.00 · 25.0%
Tm
2.00 · 16.7%
H
7.00 · 58.3%

Energy & Stability

Energy above hull
0.3687
eV/atom
Formation energy
-0.2654
eV/atom
Corrected total energy
-40.5476
eV
Raw total energy
-40.5476
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0338
eV
DOS at Fermi level
1.6064
Total magnetisation
1.6598
μB

Additional Information

Prototype ID

A2B3C7_481_spg162

Decomposition

TmH2 LiH

Computed at

2025-04-29 17:54:13

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: agm098315010).

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 agm098315010
data_agm098315010
_cell_length_a     4.39993
_cell_length_b     4.39993
_cell_length_c     7.78365
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       130.49869
_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 0.33333 0.66667 0.04623 1.00000
  Li2 Li 0.66667 0.33333 0.95377 1.00000
  Li3 Li 0.00000 0.00000 0.00000 1.00000
  Tm1 Tm 0.33333 0.66667 0.66672 1.00000
  Tm2 Tm 0.66667 0.33333 0.33328 1.00000
  H1 H 0.03190 0.68807 0.85593 1.00000
  H2 H 0.96810 0.31193 0.14407 1.00000
  H3 H 0.31193 0.34384 0.85593 1.00000
  H4 H 0.68807 0.65616 0.14407 1.00000
  H5 H 0.65616 0.96810 0.85593 1.00000
  H6 H 0.34384 0.03190 0.14407 1.00000
  H7 H 0.00000 0.00000 0.50000 1.00000
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