Navigation

HEAS Data Platform · Materials Science Database

MgAl4(HO)12

Alexandria ALEX

Alex-ID: agm005239850 · Space group: P1 (#1)

Basic Information

Formula
MgAl4(HO)12
Alex-ID
agm005239850
Elements
4
Sites
29
Space group
P1 (#1)
Crystal system
triclinic
Volume
239.75
ų
Cell a
5.2148
Å
Cell b
7.0224
Å
Cell c
7.5406
Å
α angle
75.84
°
β angle
69.90
°
γ angle
68.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgAl4(HO)12
Mg
1.00 · 3.4%
Al
4.00 · 13.8%
H
12.00 · 41.4%
O
12.00 · 41.4%

Energy & Stability

Energy above hull
0.0873
eV/atom
Formation energy
-2.0460
eV/atom
Corrected total energy
-174.2874
eV
Raw total energy
-165.8599
eV

Electronic Structure

Indirect band gap
4.2962
eV
Direct band gap
4.4665
eV
DOS at Fermi level
0.0000
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB4C12D12_5_spg1

Decomposition

MgAl2O4 AlHO2 H4O H2O

Computed at

2023-05-12 11:32:45.635584

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: agm005239850).

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 agm005239850
data_agm005239850
_cell_length_a     5.21477
_cell_length_b     7.02240
_cell_length_c     7.54058
_cell_angle_alpha  75.83951
_cell_angle_beta   69.90157
_cell_angle_gamma  68.98838
_cell_volume       239.74533
_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 0.95390 0.86028 0.61643 1.00000
  Al1 Al 0.46284 0.18733 0.84213 1.00000
  Al2 Al 0.49432 0.82351 0.16505 1.00000
  Al3 Al 0.99250 0.34345 0.65898 1.00000
  Al4 Al 0.02998 0.65895 0.30108 1.00000
  H1 H 0.59128 0.42793 0.96843 1.00000
  H2 H 0.29868 0.71725 0.93900 1.00000
  H3 H 0.27189 0.75393 0.73099 1.00000
  H4 H 0.71161 0.26810 0.48205 1.00000
  H5 H 0.58536 0.67383 0.61635 1.00000
  H6 H 0.22570 0.28082 0.31807 1.00000
  H7 H 0.07049 0.11825 0.12140 1.00000
  H8 H 0.86407 0.94046 0.93574 1.00000
  H9 H 0.23133 0.55972 0.75779 1.00000
  H10 H 0.91434 0.50259 0.08508 1.00000
  H11 H 0.63899 0.03163 0.32223 1.00000
  H12 H 0.28422 0.95003 0.72414 1.00000
  O1 O 0.68873 0.31762 0.88699 1.00000
  O2 O 0.33124 0.67921 0.06628 1.00000
  O3 O 0.21766 0.78472 0.37825 1.00000
  O4 O 0.78510 0.18964 0.59002 1.00000
  O5 O 0.79815 0.63301 0.57955 1.00000
  O6 O 0.21019 0.37877 0.39700 1.00000
  O7 O 0.26858 0.11272 0.09850 1.00000
  O8 O 0.72416 0.91283 0.89351 1.00000
  O9 O 0.18445 0.42747 0.78538 1.00000
  O10 O 0.81021 0.57930 0.19327 1.00000
  O11 O 0.73017 0.91707 0.24895 1.00000
  O12 O 0.27155 0.09572 0.72321 1.00000
Get direct link