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Sm4TcTe

Alexandria ALEX

Alex-ID: agm005806312 · Space group: Pnma (#62)

Basic Information

Formula
Sm4TcTe
Alex-ID
agm005806312
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
676.36
ų
Cell a
4.1173
Å
Cell b
8.3417
Å
Cell c
19.6930
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4TcTe
Sm
16.00 · 66.7%
Tc
4.00 · 16.7%
Te
4.00 · 16.7%

Energy & Stability

Energy above hull
0.0143
eV/atom
Formation energy
-0.4762
eV/atom
Corrected total energy
-141.0359
eV
Raw total energy
-141.0359
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0011
eV
DOS at Fermi level
25.3607
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_370_spg62

Decomposition

Sm6TcTe2 SmTc2 Sm

Computed at

2023-07-31 13:56:47.919656

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: agm005806312).

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 agm005806312
data_agm005806312
_cell_length_a     4.11729
_cell_length_b     8.34169
_cell_length_c     19.69303
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       676.36037
_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 0.75000 0.86156 0.64296 1.00000
  Sm2 Sm 0.25000 0.13844 0.35704 1.00000
  Sm3 Sm 0.25000 0.63844 0.14296 1.00000
  Sm4 Sm 0.75000 0.36156 0.85704 1.00000
  Sm5 Sm 0.75000 0.85808 0.45183 1.00000
  Sm6 Sm 0.25000 0.14192 0.54817 1.00000
  Sm7 Sm 0.25000 0.64192 0.95183 1.00000
  Sm8 Sm 0.75000 0.35808 0.04817 1.00000
  Sm9 Sm 0.75000 0.99945 0.93247 1.00000
  Sm10 Sm 0.25000 0.00055 0.06753 1.00000
  Sm11 Sm 0.25000 0.50055 0.43247 1.00000
  Sm12 Sm 0.75000 0.49945 0.56753 1.00000
  Sm13 Sm 0.75000 0.95813 0.21537 1.00000
  Sm14 Sm 0.25000 0.04187 0.78463 1.00000
  Sm15 Sm 0.25000 0.54187 0.71537 1.00000
  Sm16 Sm 0.75000 0.45813 0.28463 1.00000
  Tc1 Tc 0.75000 0.24954 0.44729 1.00000
  Tc2 Tc 0.25000 0.75046 0.55271 1.00000
  Tc3 Tc 0.25000 0.25046 0.94729 1.00000
  Tc4 Tc 0.75000 0.74954 0.05271 1.00000
  Te1 Te 0.75000 0.74368 0.80816 1.00000
  Te2 Te 0.25000 0.25632 0.19184 1.00000
  Te3 Te 0.25000 0.75632 0.30816 1.00000
  Te4 Te 0.75000 0.24368 0.69184 1.00000
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