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HoEr(AlH3)2

Alexandria ALEX

Alex-ID: agm007802992 · Space group: C2/c (#15)

Basic Information

Formula
HoEr(AlH3)2
Alex-ID
agm007802992
Elements
4
Sites
20
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
217.73
ų
Cell a
6.3062
Å
Cell b
6.3062
Å
Cell c
6.3073
Å
α angle
68.73
°
β angle
68.73
°
γ angle
81.07
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HoEr(AlH3)2
Ho
2.00 · 10.0%
Er
2.00 · 10.0%
Al
4.00 · 20.0%
H
12.00 · 60.0%

Energy & Stability

Energy above hull
0.3417
eV/atom
Formation energy
-0.2303
eV/atom
Corrected total energy
-76.7474
eV
Raw total energy
-76.7474
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0228
eV
DOS at Fermi level
3.3479
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D6_425_spg15

Decomposition

ErH3 HoH3 Al

Computed at

2024-03-15 19:51:03.944704

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: agm007802992).

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 agm007802992
data_agm007802992
_cell_length_a     6.30616
_cell_length_b     6.30616
_cell_length_c     6.30730
_cell_angle_alpha  68.72650
_cell_angle_beta   68.72650
_cell_angle_gamma  81.07452
_cell_volume       217.72821
_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
  Ho1 Ho 0.88034 0.11966 0.75000 1.00000
  Ho2 Ho 0.11966 0.88034 0.25000 1.00000
  Er1 Er 0.38545 0.61455 0.75000 1.00000
  Er2 Er 0.61455 0.38545 0.25000 1.00000
  Al1 Al 0.60064 0.90224 0.25331 1.00000
  Al2 Al 0.09776 0.39936 0.24669 1.00000
  Al3 Al 0.39936 0.09776 0.74669 1.00000
  Al4 Al 0.90224 0.60064 0.75331 1.00000
  H1 H 0.65592 0.40563 0.88604 1.00000
  H2 H 0.59437 0.34408 0.61396 1.00000
  H3 H 0.34408 0.59437 0.11396 1.00000
  H4 H 0.40563 0.65592 0.38604 1.00000
  H5 H 0.74925 0.74663 0.99277 1.00000
  H6 H 0.25337 0.25075 0.50723 1.00000
  H7 H 0.25075 0.25337 0.00723 1.00000
  H8 H 0.74663 0.74925 0.49277 1.00000
  H9 H 0.09395 0.84395 0.61628 1.00000
  H10 H 0.15605 0.90605 0.88372 1.00000
  H11 H 0.90605 0.15605 0.38372 1.00000
  H12 H 0.84395 0.09395 0.11628 1.00000
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