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TbBeH4

Alexandria ALEX

Alex-ID: agm007359814 · Space group: Pmn2_1 (#31)

Basic Information

Formula
TbBeH4
Alex-ID
agm007359814
Elements
3
Sites
12
Space group
Pmn2_1 (#31)
Crystal system
orthorhombic
Volume
111.23
ų
Cell a
4.1806
Å
Cell b
4.2807
Å
Cell c
6.2152
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TbBeH4
Tb
2.00 · 16.7%
Be
2.00 · 16.7%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1401
eV/atom
Formation energy
-0.3751
eV/atom
Corrected total energy
-47.1367
eV
Raw total energy
-47.1367
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0400
eV
DOS at Fermi level
2.4214
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_0_spg137

Decomposition

TbH3 BeH2 TbBe13

Computed at

2025-05-27 16:13:47

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: agm007359814).

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 agm007359814
data_agm007359814
_cell_length_a     4.18060
_cell_length_b     4.28074
_cell_length_c     6.21517
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       111.22706
_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
  Tb1 Tb 0.97354 0.81039 0.00000 1.00000
  Tb2 Tb 0.47354 0.18961 0.50000 1.00000
  Be1 Be 0.47942 0.29932 0.00000 1.00000
  Be2 Be 0.97942 0.70068 0.50000 1.00000
  H1 H 0.44775 0.62780 0.00000 1.00000
  H2 H 0.82002 0.29117 0.00000 1.00000
  H3 H 0.32615 0.11798 0.16985 1.00000
  H4 H 0.82615 0.88202 0.33015 1.00000
  H5 H 0.32002 0.70883 0.50000 1.00000
  H6 H 0.94775 0.37220 0.50000 1.00000
  H7 H 0.82615 0.88202 0.66985 1.00000
  H8 H 0.32615 0.11798 0.83015 1.00000
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