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Sm3CuSe2

Alexandria ALEX

Alex-ID: agm005756438 · Space group: Pnma (#62)

Basic Information

Formula
Sm3CuSe2
Alex-ID
agm005756438
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
613.76
ų
Cell a
5.8908
Å
Cell b
8.3776
Å
Cell c
12.4368
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3CuSe2
Sm
12.00 · 50.0%
Cu
4.00 · 16.7%
Se
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0495
eV/atom
Formation energy
-1.2318
eV/atom
Corrected total energy
-130.8107
eV
Raw total energy
-130.8107
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0007
eV
DOS at Fermi level
15.6838
Total magnetisation
0.0002
μB

Additional Information

Prototype ID

AB2C3_35_spg14

Decomposition

Sm6CuSe5 SmCu

Computed at

2023-08-17 17:18:56.803382

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: agm005756438).

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 agm005756438
data_agm005756438
_cell_length_a     5.89081
_cell_length_b     8.37758
_cell_length_c     12.43679
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  89.99730
_cell_volume       613.76425
_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 0.25009 0.61968 0.57896 1.00000
  Sm2 Sm 0.25009 0.11968 0.92104 1.00000
  Sm3 Sm 0.25009 0.62598 0.91415 1.00000
  Sm4 Sm 0.25009 0.12598 0.58585 1.00000
  Sm5 Sm 0.24981 0.63179 0.24773 1.00000
  Sm6 Sm 0.24981 0.13179 0.25227 1.00000
  Sm7 Sm 0.75019 0.86821 0.74773 1.00000
  Sm8 Sm 0.75019 0.36821 0.75227 1.00000
  Sm9 Sm 0.74991 0.87402 0.41415 1.00000
  Sm10 Sm 0.74991 0.37402 0.08585 1.00000
  Sm11 Sm 0.74991 0.88032 0.07896 1.00000
  Sm12 Sm 0.74991 0.38032 0.42104 1.00000
  Cu1 Cu 0.24992 0.87911 0.08563 1.00000
  Cu2 Cu 0.24992 0.37911 0.41437 1.00000
  Cu3 Cu 0.75008 0.62089 0.58563 1.00000
  Cu4 Cu 0.75008 0.12089 0.91437 1.00000
  Se1 Se 0.25019 0.87345 0.74698 1.00000
  Se2 Se 0.25019 0.37345 0.75302 1.00000
  Se3 Se 0.24992 0.87885 0.41700 1.00000
  Se4 Se 0.24992 0.37885 0.08300 1.00000
  Se5 Se 0.75008 0.62115 0.91700 1.00000
  Se6 Se 0.75008 0.12115 0.58300 1.00000
  Se7 Se 0.74981 0.62655 0.24698 1.00000
  Se8 Se 0.74981 0.12655 0.25302 1.00000
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