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Tb2Sm2Se2S3

Alexandria ALEX

Alex-ID: agm004487296 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Tb2Sm2Se2S3
Alex-ID
agm004487296
Elements
4
Sites
9
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
216.47
ų
Cell a
5.4003
Å
Cell b
5.4003
Å
Cell c
8.3474
Å
α angle
108.87
°
β angle
108.87
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb2Sm2Se2S3
Tb
2.00 · 22.2%
Sm
2.00 · 22.2%
Se
2.00 · 22.2%
S
3.00 · 33.3%

Energy & Stability

Energy above hull
0.3054
eV/atom
Formation energy
-1.9184
eV/atom
Corrected total energy
-55.3410
eV
Raw total energy
-53.3506
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0505
eV
DOS at Fermi level
5.1937
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

A2B2C2D3_9_spg139

Decomposition

Sm5Se6 Tb3(SmS3)2 TbSmSe2S Tb5S6

Computed at

2022-06-17 05:04:31.777868

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: agm004487296).

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 agm004487296
data_agm004487296
_cell_length_a     5.40027
_cell_length_b     5.40027
_cell_length_c     8.34739
_cell_angle_alpha  108.87295
_cell_angle_beta   108.87295
_cell_angle_gamma  90.00000
_cell_volume       216.46978
_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
  Tb1 Tb 0.50000 0.00000 0.00000 1.00000
  Tb2 Tb 0.00000 0.50000 0.00000 1.00000
  Sm1 Sm 0.20176 0.20176 0.40352 1.00000
  Sm2 Sm 0.79824 0.79824 0.59648 1.00000
  Se1 Se 0.60209 0.60209 0.20418 1.00000
  Se2 Se 0.39791 0.39791 0.79582 1.00000
  S1 S 0.00000 0.00000 0.00000 1.00000
  S2 S 0.25000 0.75000 0.50000 1.00000
  S3 S 0.75000 0.25000 0.50000 1.00000
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