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Sm2DySe3

Alexandria ALEX

Alex-ID: agm032164301 · Space group: Fddd (#70)

Basic Information

Formula
Sm2DySe3
Alex-ID
agm032164301
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
602.21
ų
Cell a
13.6437
Å
Cell b
13.0048
Å
Cell c
7.1948
Å
α angle
79.30
°
β angle
69.49
°
γ angle
31.21
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2DySe3
Sm
8.00 · 33.3%
Dy
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0082
eV/atom
Formation energy
-1.7906
eV/atom
Corrected total energy
-141.0637
eV
Raw total energy
-141.0637
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0215
eV
DOS at Fermi level
12.8593
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

SmDy4Se5 Sm4DySe5

Computed at

2024-12-23 13:45:32

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: agm032164301).

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 agm032164301
data_agm032164301
_cell_length_a     13.64366
_cell_length_b     13.00478
_cell_length_c     7.19481
_cell_angle_alpha  79.30138
_cell_angle_beta   69.48901
_cell_angle_gamma  31.20961
_cell_volume       602.21234
_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
  Sm1 Sm 0.99894 0.99894 0.50106 1.00000
  Sm2 Sm 0.41872 0.41872 0.58128 1.00000
  Sm3 Sm 0.83128 0.83128 0.66872 1.00000
  Sm4 Sm 0.25106 0.25106 0.74894 1.00000
  Sm5 Sm 0.74894 0.74894 0.25106 1.00000
  Sm6 Sm 0.66872 0.66872 0.83128 1.00000
  Sm7 Sm 0.58128 0.58128 0.41872 1.00000
  Sm8 Sm 0.50106 0.50106 0.99894 1.00000
  Dy1 Dy 0.91738 0.91738 0.08262 1.00000
  Dy2 Dy 0.33262 0.33262 0.16738 1.00000
  Dy3 Dy 0.16738 0.16738 0.33262 1.00000
  Dy4 Dy 0.08262 0.08262 0.91738 1.00000
  Se1 Se 0.66452 0.16550 0.84184 1.00000
  Se2 Se 0.16550 0.66452 0.32815 1.00000
  Se3 Se 0.58548 0.08450 0.40816 1.00000
  Se4 Se 0.08450 0.58548 0.92185 1.00000
  Se5 Se 0.49211 0.00789 0.00789 1.00000
  Se6 Se 0.00789 0.49211 0.49211 1.00000
  Se7 Se 0.92185 0.40816 0.08450 1.00000
  Se8 Se 0.40816 0.92185 0.58548 1.00000
  Se9 Se 0.32815 0.84184 0.16550 1.00000
  Se10 Se 0.84184 0.32815 0.66452 1.00000
  Se11 Se 0.75789 0.24211 0.24211 1.00000
  Se12 Se 0.24211 0.75789 0.75789 1.00000
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