Navigation

HEAS Data Platform · Materials Science Database

La2(SmTe2)3

Alexandria ALEX

Alex-ID: agm005604589 · Space group: C2/m (#12)

Basic Information

Formula
La2(SmTe2)3
Alex-ID
agm005604589
Elements
3
Sites
11
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
381.84
ų
Cell a
7.7424
Å
Cell b
7.7220
Å
Cell c
7.8225
Å
α angle
80.44
°
β angle
70.66
°
γ angle
59.91
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2(SmTe2)3
La
2.00 · 18.2%
Sm
3.00 · 27.3%
Te
6.00 · 54.5%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.5172
eV/atom
Corrected total energy
-59.5643
eV
Raw total energy
-59.5642
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.8998
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C6_239_spg12

Decomposition

La2(SmTe2)3

Computed at

2023-06-13 00:35:51.067492

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: agm005604589).

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 agm005604589
data_agm005604589
_cell_length_a     7.74238
_cell_length_b     7.72204
_cell_length_c     7.82250
_cell_angle_alpha  80.44424
_cell_angle_beta   70.66187
_cell_angle_gamma  59.91282
_cell_volume       381.83829
_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 0.16498 0.67004 0.50000 1.00000
  La2 La 0.83502 0.32996 0.50000 1.00000
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
  Sm2 Sm 0.33107 0.33787 0.00000 1.00000
  Sm3 Sm 0.66893 0.66213 0.00000 1.00000
  Te1 Te 0.41665 0.67641 0.75173 1.00000
  Te2 Te 0.73874 0.00000 0.75336 1.00000
  Te3 Te 0.09306 0.32359 0.75173 1.00000
  Te4 Te 0.26126 0.00000 0.24664 1.00000
  Te5 Te 0.58335 0.32359 0.24827 1.00000
  Te6 Te 0.90694 0.67641 0.24827 1.00000
Get direct link