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Ce(AlH2)4

Alexandria ALEX

Alex-ID: agm007338170 · Space group: C2/m (#12)

Basic Information

Formula
Ce(AlH2)4
Alex-ID
agm007338170
Elements
3
Sites
13
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
140.69
ų
Cell a
7.3045
Å
Cell b
7.3045
Å
Cell c
9.8286
Å
α angle
31.19
°
β angle
31.19
°
γ angle
43.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ce(AlH2)4
Ce
1.00 · 7.7%
Al
4.00 · 30.8%
H
8.00 · 61.5%

Energy & Stability

Energy above hull
0.1861
eV/atom
Formation energy
-0.0744
eV/atom
Corrected total energy
-47.8016
eV
Raw total energy
-47.8016
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0227
eV
DOS at Fermi level
5.5175
Total magnetisation
0.7287
μB

Additional Information

Prototype ID

AB4C8_16_spg12

Decomposition

CeAlH6 AlH3 Al

Computed at

2024-02-08 20:43:02

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: agm007338170).

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 agm007338170
data_agm007338170
_cell_length_a     7.30449
_cell_length_b     7.30449
_cell_length_c     9.82860
_cell_angle_alpha  31.19492
_cell_angle_beta   31.19492
_cell_angle_gamma  43.01049
_cell_volume       140.68507
_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 0.50000 0.50000 0.00000 1.00000
  Al1 Al 0.74467 0.25533 0.50000 1.00000
  Al2 Al 0.25533 0.74467 0.50000 1.00000
  Al3 Al 0.09664 0.09664 0.73455 1.00000
  Al4 Al 0.90336 0.90336 0.26545 1.00000
  H1 H 0.57684 0.07326 0.05764 1.00000
  H2 H 0.07326 0.57684 0.05764 1.00000
  H3 H 0.51251 0.51251 0.60176 1.00000
  H4 H 0.06238 0.06238 0.55676 1.00000
  H5 H 0.93762 0.93762 0.44324 1.00000
  H6 H 0.48749 0.48749 0.39824 1.00000
  H7 H 0.92674 0.42316 0.94236 1.00000
  H8 H 0.42316 0.92674 0.94236 1.00000
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