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Na2Al2SiSe6

Alexandria ALEX

Alex-ID: agm030201722 · Space group: Cc (#9)

Basic Information

Formula
Na2Al2SiSe6
Alex-ID
agm030201722
Elements
4
Sites
22
Space group
Cc (#9)
Crystal system
monoclinic
Volume
604.57
ų
Cell a
7.3591
Å
Cell b
7.3591
Å
Cell c
12.3885
Å
α angle
76.62
°
β angle
103.38
°
γ angle
110.06
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2Al2SiSe6
Na
4.00 · 18.2%
Al
4.00 · 18.2%
Si
2.00 · 9.1%
Se
12.00 · 54.5%

Energy & Stability

Energy above hull
0.0044
eV/atom
Formation energy
-0.8936
eV/atom
Corrected total energy
-92.6509
eV
Raw total energy
-92.6509
eV

Electronic Structure

Indirect band gap
2.1599
eV
Direct band gap
2.1600
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D6_64_spg9

Decomposition

Na2Al2SiSe6

Computed at

2024-12-08 16:00:35

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: agm030201722).

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 agm030201722
data_agm030201722
_cell_length_a     7.35913
_cell_length_b     7.35913
_cell_length_c     12.38849
_cell_angle_alpha  76.61963
_cell_angle_beta   103.38037
_cell_angle_gamma  110.05999
_cell_volume       604.56604
_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
  Na1 Na 0.02829 0.42228 0.82727 1.00000
  Na2 Na 0.57772 0.97171 0.32727 1.00000
  Na3 Na 0.46291 0.41682 0.50685 1.00000
  Na4 Na 0.58318 0.53709 0.00685 1.00000
  Al1 Al 0.04781 0.09300 0.19445 1.00000
  Al2 Al 0.90700 0.95219 0.69445 1.00000
  Al3 Al 0.10301 0.79744 0.49283 1.00000
  Al4 Al 0.20256 0.89699 0.99283 1.00000
  Si1 Si 0.00263 0.56537 0.24640 1.00000
  Si2 Si 0.43463 0.99737 0.74640 1.00000
  Se1 Se 0.20813 0.20483 0.03197 1.00000
  Se2 Se 0.79517 0.79187 0.53197 1.00000
  Se3 Se 0.91119 0.73177 0.87257 1.00000
  Se4 Se 0.26823 0.08881 0.37257 1.00000
  Se5 Se 0.80657 0.76680 0.19585 1.00000
  Se6 Se 0.23320 0.19343 0.69585 1.00000
  Se7 Se 0.28397 0.68838 0.17065 1.00000
  Se8 Se 0.31162 0.71603 0.67065 1.00000
  Se9 Se 0.81696 0.28051 0.17457 1.00000
  Se10 Se 0.71949 0.18304 0.67457 1.00000
  Se11 Se 0.06794 0.48916 0.43718 1.00000
  Se12 Se 0.51084 0.93206 0.93718 1.00000
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