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Ca2SmTe3

Alexandria ALEX

Alex-ID: agm040164935 · Space group: Fddd (#70)

Basic Information

Formula
Ca2SmTe3
Alex-ID
agm040164935
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
764.28
ų
Cell a
14.8519
Å
Cell b
14.1617
Å
Cell c
7.7668
Å
α angle
79.44
°
β angle
69.62
°
γ angle
30.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2SmTe3
Ca
8.00 · 33.3%
Sm
4.00 · 16.7%
Te
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0285
eV/atom
Formation energy
-1.5400
eV/atom
Corrected total energy
-109.5703
eV
Raw total energy
-109.5703
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0030
eV
DOS at Fermi level
6.9435
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

SmTe CaTe

Computed at

2025-04-15 04:28:41

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: agm040164935).

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 agm040164935
data_agm040164935
_cell_length_a     14.85189
_cell_length_b     14.16172
_cell_length_c     7.76676
_cell_angle_alpha  79.44442
_cell_angle_beta   69.61838
_cell_angle_gamma  30.93720
_cell_volume       764.27977
_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
  Ca1 Ca 0.50016 0.50016 0.99984 1.00000
  Ca2 Ca 0.91648 0.91648 0.08352 1.00000
  Ca3 Ca 0.33352 0.33352 0.16648 1.00000
  Ca4 Ca 0.74984 0.74984 0.25016 1.00000
  Ca5 Ca 0.25016 0.25016 0.74984 1.00000
  Ca6 Ca 0.16648 0.16648 0.33352 1.00000
  Ca7 Ca 0.08352 0.08352 0.91648 1.00000
  Ca8 Ca 0.99984 0.99984 0.50016 1.00000
  Sm1 Sm 0.41716 0.41716 0.58284 1.00000
  Sm2 Sm 0.83284 0.83284 0.66716 1.00000
  Sm3 Sm 0.66716 0.66716 0.83284 1.00000
  Sm4 Sm 0.58284 0.58284 0.41716 1.00000
  Te1 Te 0.16626 0.66721 0.33348 1.00000
  Te2 Te 0.66721 0.16626 0.83306 1.00000
  Te3 Te 0.08374 0.58279 0.91652 1.00000
  Te4 Te 0.58279 0.08374 0.41694 1.00000
  Te5 Te 0.00060 0.49940 0.49940 1.00000
  Te6 Te 0.49940 0.00060 0.00060 1.00000
  Te7 Te 0.41694 0.91652 0.58279 1.00000
  Te8 Te 0.91652 0.41694 0.08374 1.00000
  Te9 Te 0.83306 0.33348 0.66721 1.00000
  Te10 Te 0.33348 0.83306 0.16626 1.00000
  Te11 Te 0.24940 0.75060 0.75060 1.00000
  Te12 Te 0.75060 0.24940 0.24940 1.00000
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