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LaH3

Alexandria ALEX

Alex-ID: agm070969609 · Space group: Pnma (#62)

Basic Information

Formula
LaH3
Alex-ID
agm070969609
Elements
2
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
358.41
ų
Cell a
3.9654
Å
Cell b
6.7210
Å
Cell c
13.4478
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaH3
La
8.00 · 25.0%
H
24.00 · 75.0%

Energy & Stability

Energy above hull
0.0212
eV/atom
Formation energy
-0.6668
eV/atom
Corrected total energy
-138.5114
eV
Raw total energy
-138.5114
eV

Electronic Structure

Indirect band gap
0.9704
eV
Direct band gap
1.5559
eV
DOS at Fermi level
-0.0117
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3_5209_spg62

Decomposition

LaH3

Computed at

2024-08-26 05:41:02.065467

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: agm070969609).

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 agm070969609
data_agm070969609
_cell_length_a     3.96544
_cell_length_b     6.72098
_cell_length_c     13.44781
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       358.40644
_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
  La1 La 0.25000 0.72821 0.99712 1.00000
  La2 La 0.75000 0.27179 0.00288 1.00000
  La3 La 0.25000 0.77179 0.49712 1.00000
  La4 La 0.75000 0.22821 0.50288 1.00000
  La5 La 0.75000 0.89033 0.75588 1.00000
  La6 La 0.25000 0.10967 0.24412 1.00000
  La7 La 0.25000 0.39033 0.74412 1.00000
  La8 La 0.75000 0.60967 0.25588 1.00000
  H1 H 0.25000 0.71848 0.82390 1.00000
  H2 H 0.75000 0.28152 0.17610 1.00000
  H3 H 0.25000 0.78152 0.32390 1.00000
  H4 H 0.75000 0.21848 0.67610 1.00000
  H5 H 0.75000 0.92822 0.94378 1.00000
  H6 H 0.25000 0.42822 0.55622 1.00000
  H7 H 0.25000 0.07178 0.05622 1.00000
  H8 H 0.75000 0.57178 0.44378 1.00000
  H9 H 0.25000 0.40915 0.09068 1.00000
  H10 H 0.25000 0.09085 0.59068 1.00000
  H11 H 0.75000 0.90915 0.40932 1.00000
  H12 H 0.75000 0.59085 0.90932 1.00000
  H13 H 0.25000 0.74666 0.67233 1.00000
  H14 H 0.75000 0.25334 0.32767 1.00000
  H15 H 0.75000 0.24666 0.82767 1.00000
  H16 H 0.25000 0.75334 0.17233 1.00000
  H17 H 0.25000 0.05878 0.80501 1.00000
  H18 H 0.25000 0.44122 0.30501 1.00000
  H19 H 0.75000 0.94122 0.19499 1.00000
  H20 H 0.75000 0.55878 0.69499 1.00000
  H21 H 0.25000 0.11005 0.42267 1.00000
  H22 H 0.75000 0.61005 0.07733 1.00000
  H23 H 0.25000 0.38995 0.92267 1.00000
  H24 H 0.75000 0.88995 0.57733 1.00000
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