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MgAl2H8Ru

Alexandria ALEX

Alex-ID: agm007201232 · Space group: R-3m (#166)

Basic Information

Formula
MgAl2H8Ru
Alex-ID
agm007201232
Elements
4
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
98.31
ų
Cell a
6.7367
Å
Cell b
6.7367
Å
Cell c
6.7367
Å
α angle
36.81
°
β angle
36.81
°
γ angle
36.81
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgAl2H8Ru
Mg
1.00 · 8.3%
Al
2.00 · 16.7%
H
8.00 · 66.7%
Ru
1.00 · 8.3%

Energy & Stability

Energy above hull
0.1829
eV/atom
Formation energy
-0.1121
eV/atom
Corrected total energy
-45.6245
eV
Raw total energy
-45.6245
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.2721
eV
DOS at Fermi level
1.6693
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_1049_spg2

Decomposition

AlH9 AlH3 Al2Ru Mg2H6Ru

Computed at

2024-01-28 14:45:35.255618

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: agm007201232).

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 agm007201232
data_agm007201232
_cell_length_a     6.73670
_cell_length_b     6.73670
_cell_length_c     6.73670
_cell_angle_alpha  36.81006
_cell_angle_beta   36.81006
_cell_angle_gamma  36.81006
_cell_volume       98.31083
_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
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
  Al1 Al 0.71967 0.71967 0.71967 1.00000
  Al2 Al 0.28033 0.28033 0.28033 1.00000
  H1 H 0.80820 0.80820 0.80820 1.00000
  H2 H 0.23223 0.23077 0.73201 1.00000
  H3 H 0.19180 0.19180 0.19180 1.00000
  H4 H 0.23077 0.73201 0.23223 1.00000
  H5 H 0.76923 0.26799 0.76777 1.00000
  H6 H 0.73201 0.23223 0.23077 1.00000
  H7 H 0.26799 0.76777 0.76923 1.00000
  H8 H 0.76777 0.76923 0.26799 1.00000
  Ru1 Ru 0.00000 0.00000 0.00000 1.00000
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