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Al2O3

Alexandria ALEX

Alex-ID: agm005225151 · Space group: Pm (#6)

Basic Information

Formula
Al2O3
Alex-ID
agm005225151
Elements
2
Sites
30
Space group
Pm (#6)
Crystal system
monoclinic
Volume
343.55
ų
Cell a
3.0720
Å
Cell b
7.2829
Å
Cell c
15.3566
Å
α angle
89.43
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Al2O3
Al
12.00 · 40.0%
O
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0757
eV/atom
Formation energy
-3.3534
eV/atom
Corrected total energy
-234.7949
eV
Raw total energy
-222.1537
eV

Electronic Structure

Indirect band gap
4.2966
eV
Direct band gap
4.2966
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3_3333_spg6

Decomposition

Al2O3

Computed at

2023-05-14 07:41:59.313683

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: agm005225151).

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 agm005225151
data_agm005225151
_cell_length_a     3.07196
_cell_length_b     7.28294
_cell_length_c     15.35656
_cell_angle_alpha  89.42983
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       343.55360
_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
  Al1 Al 0.00000 0.99755 0.00472 1.00000
  Al2 Al 0.00000 0.99764 0.50468 1.00000
  Al3 Al 0.50000 0.77371 0.89997 1.00000
  Al4 Al 0.50000 0.77322 0.40022 1.00000
  Al5 Al 0.50000 0.82237 0.67873 1.00000
  Al6 Al 0.50000 0.82193 0.17876 1.00000
  Al7 Al 0.50000 0.19817 0.82058 1.00000
  Al8 Al 0.50000 0.19780 0.32058 1.00000
  Al9 Al 0.50000 0.20173 0.12776 1.00000
  Al10 Al 0.50000 0.20207 0.62763 1.00000
  Al11 Al 0.00000 0.51364 0.74891 1.00000
  Al12 Al 0.00000 0.51325 0.24922 1.00000
  O1 O 0.00000 0.75719 0.95437 1.00000
  O2 O 0.00000 0.32075 0.83473 1.00000
  O3 O 0.00000 0.75693 0.45463 1.00000
  O4 O 0.50000 0.04645 0.72829 1.00000
  O5 O 0.50000 0.04595 0.22831 1.00000
  O6 O 0.50000 0.94487 0.57263 1.00000
  O7 O 0.50000 0.94445 0.07262 1.00000
  O8 O 0.50000 0.66015 0.80091 1.00000
  O9 O 0.50000 0.03281 0.91316 1.00000
  O10 O 0.50000 0.65955 0.30118 1.00000
  O11 O 0.50000 0.39349 0.70075 1.00000
  O12 O 0.50000 0.39292 0.20102 1.00000
  O13 O 0.50000 0.03238 0.41316 1.00000
  O14 O 0.00000 0.70616 0.66909 1.00000
  O15 O 0.00000 0.22027 0.56607 1.00000
  O16 O 0.00000 0.70563 0.16928 1.00000
  O17 O 0.00000 0.32025 0.33494 1.00000
  O18 O 0.00000 0.22000 0.06619 1.00000
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