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Na3AlN2

Alexandria ALEX

Alex-ID: agm005278518 · Space group: P2_1/c (#14)

Basic Information

Formula
Na3AlN2
Alex-ID
agm005278518
Elements
3
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
418.12
ų
Cell a
8.4168
Å
Cell b
6.5287
Å
Cell c
8.6445
Å
α angle
61.67
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na3AlN2
Na
12.00 · 50.0%
Al
4.00 · 16.7%
N
8.00 · 33.3%

Energy & Stability

Energy above hull
0.4136
eV/atom
Formation energy
-0.2045
eV/atom
Corrected total energy
-99.3386
eV
Raw total energy
-99.3386
eV

Electronic Structure

Indirect band gap
0.2865
eV
Direct band gap
0.3452
eV
DOS at Fermi level
8.0175
Total magnetisation
-0.0003
μB

Additional Information

Prototype ID

AB2C3_59_spg14

Decomposition

AlN Na NaN3

Computed at

2023-05-09 20:20:57.232397

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: agm005278518).

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 agm005278518
data_agm005278518
_cell_length_a     8.41681
_cell_length_b     6.52870
_cell_length_c     8.64449
_cell_angle_alpha  61.66840
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       418.12188
_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 0.00068 0.75127 0.00096 1.00000
  Na2 Na 0.50068 0.24873 0.49904 1.00000
  Na3 Na 0.99932 0.24873 0.99904 1.00000
  Na4 Na 0.49932 0.75127 0.50096 1.00000
  Na5 Na 0.49479 0.75251 0.87922 1.00000
  Na6 Na 0.99479 0.24749 0.62078 1.00000
  Na7 Na 0.50521 0.24749 0.12078 1.00000
  Na8 Na 0.00521 0.75251 0.37922 1.00000
  Na9 Na 0.70314 0.25135 0.81588 1.00000
  Na10 Na 0.20314 0.74865 0.68412 1.00000
  Na11 Na 0.29686 0.74865 0.18412 1.00000
  Na12 Na 0.79686 0.25135 0.31588 1.00000
  Al1 Al 0.81803 0.76930 0.68566 1.00000
  Al2 Al 0.31803 0.23070 0.81434 1.00000
  Al3 Al 0.18197 0.23070 0.31434 1.00000
  Al4 Al 0.68197 0.76930 0.18566 1.00000
  N1 N 0.94585 0.54338 0.71093 1.00000
  N2 N 0.44585 0.45662 0.78907 1.00000
  N3 N 0.05415 0.45662 0.28907 1.00000
  N4 N 0.55415 0.54338 0.21093 1.00000
  N5 N 0.71624 0.01799 0.65944 1.00000
  N6 N 0.21624 0.98201 0.84056 1.00000
  N7 N 0.28376 0.98201 0.34056 1.00000
  N8 N 0.78376 0.01799 0.15944 1.00000
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