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Tb2SmAs3

Alexandria ALEX

Alex-ID: agm033169942 · Space group: Fddd (#70)

Basic Information

Formula
Tb2SmAs3
Alex-ID
agm033169942
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
612.03
ų
Cell a
13.8025
Å
Cell b
13.1650
Å
Cell c
7.2069
Å
α angle
79.45
°
β angle
69.67
°
γ angle
30.88
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb2SmAs3
Tb
8.00 · 33.3%
Sm
4.00 · 16.7%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0009
eV/atom
Formation energy
-1.5357
eV/atom
Corrected total energy
-148.6029
eV
Raw total energy
-148.6029
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0031
eV
DOS at Fermi level
2.4052
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

Tb3SmAs4 TbSmAs2

Computed at

2024-12-02 20:14:40

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: agm033169942).

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 agm033169942
data_agm033169942
_cell_length_a     13.80246
_cell_length_b     13.16495
_cell_length_c     7.20686
_cell_angle_alpha  79.44888
_cell_angle_beta   69.66626
_cell_angle_gamma  30.88486
_cell_volume       612.03370
_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 0.00031 0.00031 0.49969 1.00000
  Tb2 Tb 0.41640 0.41640 0.58360 1.00000
  Tb3 Tb 0.83360 0.83360 0.66640 1.00000
  Tb4 Tb 0.24969 0.24969 0.75031 1.00000
  Tb5 Tb 0.75031 0.75031 0.24969 1.00000
  Tb6 Tb 0.66640 0.66640 0.83360 1.00000
  Tb7 Tb 0.58360 0.58360 0.41640 1.00000
  Tb8 Tb 0.49969 0.49969 0.00031 1.00000
  Sm1 Sm 0.91670 0.91670 0.08330 1.00000
  Sm2 Sm 0.33330 0.33330 0.16670 1.00000
  Sm3 Sm 0.16670 0.16670 0.33330 1.00000
  Sm4 Sm 0.08330 0.08330 0.91670 1.00000
  As1 As 0.66741 0.16722 0.82931 1.00000
  As2 As 0.16722 0.66741 0.33606 1.00000
  As3 As 0.58259 0.08278 0.42069 1.00000
  As4 As 0.08278 0.58259 0.91394 1.00000
  As5 As 0.50339 0.99661 0.99661 1.00000
  As6 As 0.99661 0.50339 0.50339 1.00000
  As7 As 0.91394 0.42069 0.08278 1.00000
  As8 As 0.42069 0.91394 0.58259 1.00000
  As9 As 0.33606 0.82931 0.16722 1.00000
  As10 As 0.82931 0.33606 0.66741 1.00000
  As11 As 0.74661 0.25339 0.25339 1.00000
  As12 As 0.25339 0.74661 0.74661 1.00000
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