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Na3Tm2SnSe6

Alexandria ALEX

Alex-ID: agm004635123 · Space group: C2/m (#12)

Basic Information

Formula
Na3Tm2SnSe6
Alex-ID
agm004635123
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
308.41
ų
Cell a
7.1358
Å
Cell b
7.1358
Å
Cell c
7.3895
Å
α angle
99.29
°
β angle
99.29
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na3Tm2SnSe6
Na
3.00 · 25.0%
Tm
2.00 · 16.7%
Sn
1.00 · 8.3%
Se
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0230
eV/atom
Formation energy
-1.3429
eV/atom
Corrected total energy
-53.9619
eV
Raw total energy
-53.9619
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.9768
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_175_spg12

Decomposition

Na2SnSe3 NaSn4Se5 NaTmSe2

Computed at

2022-06-28 00:31:19.770926

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: agm004635123).

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 agm004635123
data_agm004635123
_cell_length_a     7.13580
_cell_length_b     7.13580
_cell_length_c     7.38947
_cell_angle_alpha  99.29449
_cell_angle_beta   99.29449
_cell_angle_gamma  119.99523
_cell_volume       308.40794
_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 0.16326 0.83674 0.50000 1.00000
  Na2 Na 0.83674 0.16326 0.50000 1.00000
  Na3 Na 0.50000 0.50000 0.50000 1.00000
  Tm1 Tm 0.33299 0.66701 0.00000 1.00000
  Tm2 Tm 0.66701 0.33299 0.00000 1.00000
  Sn1 Sn 0.00000 0.00000 0.00000 1.00000
  Se1 Se 0.92373 0.58688 0.77262 1.00000
  Se2 Se 0.73837 0.73837 0.22665 1.00000
  Se3 Se 0.07627 0.41312 0.22738 1.00000
  Se4 Se 0.58688 0.92373 0.77262 1.00000
  Se5 Se 0.26163 0.26163 0.77335 1.00000
  Se6 Se 0.41312 0.07627 0.22738 1.00000
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