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La2Ce(SmTe2)3

Alexandria ALEX

Alex-ID: agm040686458 · Space group: C2/m (#12)

Basic Information

Formula
La2Ce(SmTe2)3
Alex-ID
agm040686458
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
386.49
ų
Cell a
10.0587
Å
Cell b
10.0587
Å
Cell c
9.0149
Å
α angle
77.14
°
β angle
102.86
°
γ angle
154.20
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2Ce(SmTe2)3
La
2.00 · 16.7%
Ce
1.00 · 8.3%
Sm
3.00 · 25.0%
Te
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0098
eV/atom
Formation energy
-1.4532
eV/atom
Corrected total energy
-66.2482
eV
Raw total energy
-66.2482
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0048
eV
DOS at Fermi level
13.9229
Total magnetisation
1.1671
μB

Additional Information

Prototype ID

AB2C3D6_201_spg12

Decomposition

La3CeTe4 Ce3SmTe4 SmTe

Computed at

2024-12-20 17:22:06

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: agm040686458).

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 agm040686458
data_agm040686458
_cell_length_a     10.05866
_cell_length_b     10.05866
_cell_length_c     9.01491
_cell_angle_alpha  77.13678
_cell_angle_beta   102.86322
_cell_angle_gamma  154.19955
_cell_volume       386.48746
_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
  La1 La 0.83458 0.16542 0.16739 1.00000
  La2 La 0.16542 0.83458 0.83261 1.00000
  Ce1 Ce 0.50000 0.50000 0.00000 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  Sm2 Sm 0.16834 0.83166 0.33347 1.00000
  Sm3 Sm 0.83166 0.16834 0.66653 1.00000
  Te1 Te 0.33385 0.66615 0.91094 1.00000
  Te2 Te 0.66589 0.33411 0.57641 1.00000
  Te3 Te 0.66615 0.33385 0.08906 1.00000
  Te4 Te 0.99653 0.00347 0.74553 1.00000
  Te5 Te 0.00347 0.99653 0.25447 1.00000
  Te6 Te 0.33411 0.66589 0.42359 1.00000
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