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Ce8AlH4

Alexandria ALEX

Alex-ID: agm097690957 · Space group: P1 (#1)

Basic Information

Formula
Ce8AlH4
Alex-ID
agm097690957
Elements
3
Sites
13
Space group
P1 (#1)
Crystal system
triclinic
Volume
257.08
ų
Cell a
3.5127
Å
Cell b
8.8586
Å
Cell c
9.2318
Å
α angle
64.19
°
β angle
92.87
°
γ angle
96.24
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ce8AlH4
Ce
8.00 · 61.5%
Al
1.00 · 7.7%
H
4.00 · 30.8%

Energy & Stability

Energy above hull
0.1416
eV/atom
Formation energy
-0.1914
eV/atom
Corrected total energy
-66.6632
eV
Raw total energy
-66.6632
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
29.1090
Total magnetisation
2.3889
μB

Additional Information

Prototype ID

AB4C8_353_spg12

Decomposition

CeAl2 Ce CeH2

Computed at

2025-06-15 15:42:55

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: agm097690957).

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 agm097690957
data_agm097690957
_cell_length_a     3.51272
_cell_length_b     8.85862
_cell_length_c     9.23179
_cell_angle_alpha  64.18905
_cell_angle_beta   92.87047
_cell_angle_gamma  96.24082
_cell_volume       257.08000
_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
  Ce1 Ce 0.30163 0.00697 0.35180 1.00000
  Ce2 Ce 0.29707 0.57097 0.08469 1.00000
  Ce3 Ce 0.17616 0.60496 0.69522 1.00000
  Ce4 Ce 0.42692 0.29310 0.69407 1.00000
  Ce5 Ce 0.74406 0.70209 0.32229 1.00000
  Ce6 Ce 0.97703 0.34336 0.36838 1.00000
  Ce7 Ce 0.81454 0.26527 0.01592 1.00000
  Ce8 Ce 0.78077 0.92762 0.74719 1.00000
  Al1 Al 0.28135 0.95105 0.03119 1.00000
  H1 H 0.90179 0.12918 0.84822 1.00000
  H2 H 0.74190 0.61087 0.88279 1.00000
  H3 H 0.22720 0.53495 0.48136 1.00000
  H4 H 0.82958 0.05961 0.47685 1.00000
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