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LaTm2Se3

Alexandria ALEX

Alex-ID: agm030836699 · Space group: Fddd (#70)

Basic Information

Formula
LaTm2Se3
Alex-ID
agm030836699
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
591.65
ų
Cell a
13.5334
Å
Cell b
12.8966
Å
Cell c
7.1620
Å
α angle
79.25
°
β angle
69.43
°
γ angle
31.33
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaTm2Se3
La
4.00 · 16.7%
Tm
8.00 · 33.3%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0178
eV/atom
Formation energy
-1.7685
eV/atom
Corrected total energy
-139.8142
eV
Raw total energy
-139.8141
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0265
eV
DOS at Fermi level
12.2466
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

La2Tm3Se5 TmSe

Computed at

2025-04-15 09:31:10

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: agm030836699).

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 agm030836699
data_agm030836699
_cell_length_a     13.53336
_cell_length_b     12.89655
_cell_length_c     7.16204
_cell_angle_alpha  79.24768
_cell_angle_beta   69.42527
_cell_angle_gamma  31.32705
_cell_volume       591.64522
_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 0.91606 0.91606 0.08394 1.00000
  La2 La 0.33394 0.33394 0.16606 1.00000
  La3 La 0.16606 0.16606 0.33394 1.00000
  La4 La 0.08394 0.08394 0.91606 1.00000
  Tm1 Tm 0.00288 0.00288 0.49712 1.00000
  Tm2 Tm 0.41389 0.41389 0.58611 1.00000
  Tm3 Tm 0.83611 0.83611 0.66389 1.00000
  Tm4 Tm 0.24712 0.24712 0.75288 1.00000
  Tm5 Tm 0.75288 0.75288 0.24712 1.00000
  Tm6 Tm 0.66389 0.66389 0.83611 1.00000
  Tm7 Tm 0.58611 0.58611 0.41389 1.00000
  Tm8 Tm 0.49712 0.49712 0.00288 1.00000
  Se1 Se 0.67217 0.16823 0.81098 1.00000
  Se2 Se 0.16823 0.67217 0.34862 1.00000
  Se3 Se 0.57783 0.08177 0.43902 1.00000
  Se4 Se 0.08177 0.57783 0.90138 1.00000
  Se5 Se 0.51853 0.98147 0.98147 1.00000
  Se6 Se 0.98147 0.51853 0.51853 1.00000
  Se7 Se 0.90138 0.43902 0.08177 1.00000
  Se8 Se 0.43902 0.90138 0.57783 1.00000
  Se9 Se 0.34862 0.81098 0.16823 1.00000
  Se10 Se 0.81098 0.34862 0.67217 1.00000
  Se11 Se 0.73147 0.26853 0.26853 1.00000
  Se12 Se 0.26853 0.73147 0.73147 1.00000
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