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LaNd2(SmSe2)3

Alexandria ALEX

Alex-ID: agm033320348 · Space group: C2/m (#12)

Basic Information

Formula
LaNd2(SmSe2)3
Alex-ID
agm033320348
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
317.90
ų
Cell a
9.4255
Å
Cell b
9.4255
Å
Cell c
8.4429
Å
α angle
76.93
°
β angle
103.07
°
γ angle
154.17
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaNd2(SmSe2)3
La
1.00 · 8.3%
Nd
2.00 · 16.7%
Sm
3.00 · 25.0%
Se
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0056
eV/atom
Formation energy
-1.8537
eV/atom
Corrected total energy
-71.8306
eV
Raw total energy
-71.8306
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0100
eV
DOS at Fermi level
6.4952
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_251_spg12

Decomposition

La2Nd3Se5 NdSm4Se5 LaSm4Se5

Computed at

2025-01-03 11:34:54

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: agm033320348).

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 agm033320348
data_agm033320348
_cell_length_a     9.42545
_cell_length_b     9.42545
_cell_length_c     8.44286
_cell_angle_alpha  76.92678
_cell_angle_beta   103.07322
_cell_angle_gamma  154.16862
_cell_volume       317.89528
_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 0.50000 0.50000 0.00000 1.00000
  Nd1 Nd 0.16804 0.83196 0.33470 1.00000
  Nd2 Nd 0.83196 0.16804 0.66530 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  Sm2 Sm 0.16685 0.83315 0.83264 1.00000
  Sm3 Sm 0.83315 0.16685 0.16736 1.00000
  Se1 Se 0.66889 0.33111 0.08094 1.00000
  Se2 Se 0.33497 0.66503 0.41411 1.00000
  Se3 Se 0.33111 0.66889 0.91906 1.00000
  Se4 Se 0.00050 0.99950 0.74374 1.00000
  Se5 Se 0.99950 0.00050 0.25626 1.00000
  Se6 Se 0.66503 0.33497 0.58589 1.00000
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