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Na7Sn3

Alexandria ALEX

Alex-ID: agm003291357 · Space group: P6_3mc (#186)

Alexandria Database API

Basic Information

Formula
Na7Sn3
Alex-ID
agm003291357
Elements
2
Sites
20
Space group
P6_3mc (#186)
Crystal system
hexagonal
Volume
635.49
ų
Cell a
6.2448
Å
Cell b
10.8400
Å
Cell c
10.8400
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na7Sn3
Na
14.00 · 70.0%
Sn
6.00 · 30.0%

Energy & Stability

Energy above hull
0.0771
eV/atom
Formation energy
-0.1057
eV/atom
Corrected total energy
-44.5984
eV
Raw total energy
-44.5984
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.6914
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B7_58_spg194

Decomposition

Na5Sn2 Na9Sn4

Computed at

2022-01-16 22:35:32.298715

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: agm003291357).

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 agm003291357
data_agm003291357
_cell_length_a     6.24479
_cell_length_b     10.83999
_cell_length_c     10.83999
_cell_angle_alpha  120.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       635.48601
_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 0.92249 0.66667 0.33333 1.00000
  Na2 Na 0.42249 0.33333 0.66667 1.00000
  Na3 Na 0.91362 0.86586 0.73172 1.00000
  Na4 Na 0.91362 0.86586 0.13414 1.00000
  Na5 Na 0.91362 0.26827 0.13414 1.00000
  Na6 Na 0.41362 0.13414 0.26828 1.00000
  Na7 Na 0.41362 0.13414 0.86586 1.00000
  Na8 Na 0.41362 0.73173 0.86586 1.00000
  Na9 Na 0.17357 0.49641 0.99281 1.00000
  Na10 Na 0.17357 0.49641 0.50359 1.00000
  Na11 Na 0.17357 0.00718 0.50359 1.00000
  Na12 Na 0.67357 0.50359 0.00719 1.00000
  Na13 Na 0.67357 0.50359 0.49641 1.00000
  Na14 Na 0.67357 0.99282 0.49641 1.00000
  Sn1 Sn 0.90798 0.23555 0.47109 1.00000
  Sn2 Sn 0.90798 0.23555 0.76445 1.00000
  Sn3 Sn 0.90798 0.52891 0.76445 1.00000
  Sn4 Sn 0.40798 0.76445 0.52891 1.00000
  Sn5 Sn 0.40798 0.76445 0.23555 1.00000
  Sn6 Sn 0.40798 0.47109 0.23555 1.00000
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