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Sm3TeAs2

Alexandria ALEX

Alex-ID: agm033158702 · Space group: Fddd (#70)

Basic Information

Formula
Sm3TeAs2
Alex-ID
agm033158702
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
671.55
ų
Cell a
14.2158
Å
Cell b
13.5537
Å
Cell c
7.4424
Å
α angle
79.43
°
β angle
69.59
°
γ angle
30.97
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3TeAs2
Sm
12.00 · 50.0%
Te
4.00 · 16.7%
As
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0151
eV/atom
Formation energy
-1.5372
eV/atom
Corrected total energy
-143.3379
eV
Raw total energy
-143.3379
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0035
eV
DOS at Fermi level
5.7107
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

Sm3TeAs2

Computed at

2025-04-15 04:03:08

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: agm033158702).

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 agm033158702
data_agm033158702
_cell_length_a     14.21582
_cell_length_b     13.55367
_cell_length_c     7.44238
_cell_angle_alpha  79.43162
_cell_angle_beta   69.59449
_cell_angle_gamma  30.97390
_cell_volume       671.54631
_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
  Sm1 Sm 0.17141 0.66967 0.30985 1.00000
  Sm2 Sm 0.66967 0.17141 0.84907 1.00000
  Sm3 Sm 0.07859 0.58033 0.94015 1.00000
  Sm4 Sm 0.58033 0.07859 0.40093 1.00000
  Sm5 Sm 0.01893 0.48107 0.48107 1.00000
  Sm6 Sm 0.48107 0.01893 0.01893 1.00000
  Sm7 Sm 0.40093 0.94015 0.58033 1.00000
  Sm8 Sm 0.94015 0.40093 0.07859 1.00000
  Sm9 Sm 0.84907 0.30985 0.66967 1.00000
  Sm10 Sm 0.30985 0.84907 0.17141 1.00000
  Sm11 Sm 0.23107 0.76893 0.76893 1.00000
  Sm12 Sm 0.76893 0.23107 0.23107 1.00000
  Te1 Te 0.41658 0.41658 0.58342 1.00000
  Te2 Te 0.83342 0.83342 0.66658 1.00000
  Te3 Te 0.66658 0.66658 0.83342 1.00000
  Te4 Te 0.58342 0.58342 0.41658 1.00000
  As1 As 0.50203 0.50203 0.99797 1.00000
  As2 As 0.91485 0.91485 0.08515 1.00000
  As3 As 0.33515 0.33515 0.16485 1.00000
  As4 As 0.74797 0.74797 0.25203 1.00000
  As5 As 0.25203 0.25203 0.74797 1.00000
  As6 As 0.16485 0.16485 0.33515 1.00000
  As7 As 0.08515 0.08515 0.91485 1.00000
  As8 As 0.99797 0.99797 0.50203 1.00000
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