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Mg2SiO4

Alexandria ALEX

Alex-ID: agm005487202 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Mg2SiO4
Alex-ID
agm005487202
Elements
3
Sites
7
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
65.72
ų
Cell a
5.9093
Å
Cell b
5.9093
Å
Cell c
5.9093
Å
α angle
145.55
°
β angle
145.55
°
γ angle
49.51
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2SiO4
Mg
2.00 · 28.6%
Si
1.00 · 14.3%
O
4.00 · 57.1%

Energy & Stability

Energy above hull
0.3796
eV/atom
Formation energy
-2.8464
eV/atom
Corrected total energy
-48.3700
eV
Raw total energy
-45.5608
eV

Electronic Structure

Indirect band gap
3.5388
eV
Direct band gap
4.2679
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_395_spg139

Decomposition

Mg2SiO4

Computed at

2023-03-18 00:29:21.946283

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: agm005487202).

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 agm005487202
data_agm005487202
_cell_length_a     5.90925
_cell_length_b     5.90925
_cell_length_c     5.90925
_cell_angle_alpha  145.55168
_cell_angle_beta   145.55168
_cell_angle_gamma  49.51315
_cell_volume       65.71996
_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 0.65018 0.65018 0.00000 1.00000
  Mg2 Mg 0.34982 0.34982 0.00000 1.00000
  Si1 Si 0.00000 0.00000 0.00000 1.00000
  O1 O 0.50000 0.00000 0.50000 1.00000
  O2 O 0.00000 0.50000 0.50000 1.00000
  O3 O 0.83302 0.83302 0.00000 1.00000
  O4 O 0.16698 0.16698 0.00000 1.00000
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