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Na2Er(SnTe2)3

Alexandria ALEX

Alex-ID: agm004635375 · Space group: C2/m (#12)

Basic Information

Formula
Na2Er(SnTe2)3
Alex-ID
agm004635375
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
385.49
ų
Cell a
7.7516
Å
Cell b
7.7516
Å
Cell c
7.8453
Å
α angle
99.49
°
β angle
99.49
°
γ angle
119.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2Er(SnTe2)3
Na
2.00 · 16.7%
Er
1.00 · 8.3%
Sn
3.00 · 25.0%
Te
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0382
eV/atom
Formation energy
-0.6637
eV/atom
Corrected total energy
-46.0237
eV
Raw total energy
-46.0237
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.6605
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_175_spg12

Decomposition

NaSn4Te5 Na4SnTe4 NaTe3 NaErTe2

Computed at

2022-06-27 23:04:29.921666

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: agm004635375).

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 agm004635375
data_agm004635375
_cell_length_a     7.75163
_cell_length_b     7.75163
_cell_length_c     7.84533
_cell_angle_alpha  99.48518
_cell_angle_beta   99.48518
_cell_angle_gamma  119.98850
_cell_volume       385.49393
_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 0.33250 0.66750 0.00000 1.00000
  Na2 Na 0.66750 0.33250 0.00000 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Sn1 Sn 0.16315 0.83685 0.50000 1.00000
  Sn2 Sn 0.83685 0.16315 0.50000 1.00000
  Sn3 Sn 0.50000 0.50000 0.50000 1.00000
  Te1 Te 0.91642 0.59979 0.75373 1.00000
  Te2 Te 0.76567 0.76567 0.25444 1.00000
  Te3 Te 0.08358 0.40021 0.24627 1.00000
  Te4 Te 0.59979 0.91642 0.75373 1.00000
  Te5 Te 0.23433 0.23433 0.74556 1.00000
  Te6 Te 0.40021 0.08358 0.24627 1.00000
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