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Er2Mg(AlH4)3

Alexandria ALEX

Alex-ID: agm006863065 · Space group: R-3m (#166)

Basic Information

Formula
Er2Mg(AlH4)3
Alex-ID
agm006863065
Elements
4
Sites
18
Space group
R-3m (#166)
Crystal system
trigonal
Volume
163.81
ų
Cell a
6.0634
Å
Cell b
6.0634
Å
Cell c
6.0634
Å
α angle
61.75
°
β angle
61.75
°
γ angle
61.75
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2Mg(AlH4)3
Er
2.00 · 11.1%
Mg
1.00 · 5.6%
Al
3.00 · 16.7%
H
12.00 · 66.7%

Energy & Stability

Energy above hull
0.3946
eV/atom
Formation energy
-0.0052
eV/atom
Corrected total energy
-60.9266
eV
Raw total energy
-60.9266
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.6593
Total magnetisation
-0.0034
μB

Additional Information

Prototype ID

AB2C3D12_98_spg166

Decomposition

ErH3 MgH2 Al AlH3

Computed at

2024-08-07 18:05:12.533189

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: agm006863065).

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 agm006863065
data_agm006863065
_cell_length_a     6.06340
_cell_length_b     6.06340
_cell_length_c     6.06340
_cell_angle_alpha  61.75013
_cell_angle_beta   61.75013
_cell_angle_gamma  61.75013
_cell_volume       163.80966
_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
  Er1 Er 0.37193 0.37193 0.37193 1.00000
  Er2 Er 0.62807 0.62807 0.62807 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Al1 Al 0.00000 0.00000 0.50000 1.00000
  Al2 Al 0.00000 0.50000 0.00000 1.00000
  Al3 Al 0.50000 0.00000 0.00000 1.00000
  H1 H 0.18647 0.71079 0.71079 1.00000
  H2 H 0.58207 0.13420 0.13420 1.00000
  H3 H 0.13420 0.13420 0.58207 1.00000
  H4 H 0.71079 0.71079 0.18647 1.00000
  H5 H 0.13420 0.58207 0.13420 1.00000
  H6 H 0.71079 0.18647 0.71079 1.00000
  H7 H 0.81353 0.28920 0.28920 1.00000
  H8 H 0.41793 0.86580 0.86580 1.00000
  H9 H 0.86580 0.86580 0.41793 1.00000
  H10 H 0.28920 0.28920 0.81353 1.00000
  H11 H 0.86580 0.41793 0.86580 1.00000
  H12 H 0.28920 0.81353 0.28920 1.00000
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