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Al2SiO5

Alexandria ALEX

Alex-ID: agm005239659 · Space group: Pnma (#62)

Alexandria Database API

Basic Information

Formula
Al2SiO5
Alex-ID
agm005239659
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
342.51
ų
Cell a
5.8179
Å
Cell b
7.5717
Å
Cell c
7.7754
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Al2SiO5
Al
8.00 · 25.0%
Si
4.00 · 12.5%
O
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0076
eV/atom
Formation energy
-3.3697
eV/atom
Corrected total energy
-258.6500
eV
Raw total energy
-244.6042
eV

Electronic Structure

Indirect band gap
4.9514
eV
Direct band gap
5.0873
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C5_47_spg2

Decomposition

Al2SiO5

Computed at

2022-12-13 03:26:32.420613

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: agm005239659).

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 agm005239659
data_agm005239659
_cell_length_a     5.81791
_cell_length_b     7.57169
_cell_length_c     7.77535
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       342.51499
_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 0.00000 0.00000 1.00000
  Al2 Al 0.50000 0.00000 0.00000 1.00000
  Al3 Al 0.00000 0.50000 0.50000 1.00000
  Al4 Al 0.50000 0.50000 0.50000 1.00000
  Al5 Al 0.25000 0.35702 0.84628 1.00000
  Al6 Al 0.75000 0.64298 0.15372 1.00000
  Al7 Al 0.75000 0.85702 0.65372 1.00000
  Al8 Al 0.25000 0.14298 0.34628 1.00000
  Si1 Si 0.75000 0.15257 0.34110 1.00000
  Si2 Si 0.25000 0.84743 0.65890 1.00000
  Si3 Si 0.25000 0.65257 0.15890 1.00000
  Si4 Si 0.75000 0.34743 0.84110 1.00000
  O1 O 0.01377 0.62547 0.27637 1.00000
  O2 O 0.51377 0.37453 0.72363 1.00000
  O3 O 0.98623 0.12547 0.22363 1.00000
  O4 O 0.48623 0.87453 0.77637 1.00000
  O5 O 0.98623 0.37453 0.72363 1.00000
  O6 O 0.48623 0.62547 0.27637 1.00000
  O7 O 0.01377 0.87453 0.77637 1.00000
  O8 O 0.51377 0.12547 0.22363 1.00000
  O9 O 0.75000 0.02170 0.50111 1.00000
  O10 O 0.25000 0.97830 0.49889 1.00000
  O11 O 0.25000 0.52170 0.99889 1.00000
  O12 O 0.75000 0.47830 0.00111 1.00000
  O13 O 0.75000 0.35929 0.41027 1.00000
  O14 O 0.25000 0.64071 0.58973 1.00000
  O15 O 0.25000 0.85929 0.08973 1.00000
  O16 O 0.75000 0.14071 0.91027 1.00000
  O17 O 0.25000 0.35745 0.43442 1.00000
  O18 O 0.75000 0.64255 0.56558 1.00000
  O19 O 0.75000 0.85745 0.06558 1.00000
  O20 O 0.25000 0.14255 0.93442 1.00000
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