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CeSm2As3

Alexandria ALEX

Alex-ID: agm034102915 · Space group: Fddd (#70)

Basic Information

Formula
CeSm2As3
Alex-ID
agm034102915
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
634.30
ų
Cell a
13.9741
Å
Cell b
13.3238
Å
Cell c
7.2957
Å
α angle
79.49
°
β angle
69.63
°
γ angle
30.89
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CeSm2As3
Ce
4.00 · 16.7%
Sm
8.00 · 33.3%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.5020
eV/atom
Corrected total energy
-153.3649
eV
Raw total energy
-153.3649
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0083
eV
DOS at Fermi level
22.1700
Total magnetisation
2.1930
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

CeSm2As3

Computed at

2024-12-25 17:22:43

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: agm034102915).

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 agm034102915
data_agm034102915
_cell_length_a     13.97414
_cell_length_b     13.32381
_cell_length_c     7.29571
_cell_angle_alpha  79.48630
_cell_angle_beta   69.62839
_cell_angle_gamma  30.88532
_cell_volume       634.30448
_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
  Ce1 Ce 0.91661 0.91661 0.08339 1.00000
  Ce2 Ce 0.33339 0.33339 0.16661 1.00000
  Ce3 Ce 0.16661 0.16661 0.33339 1.00000
  Ce4 Ce 0.08339 0.08339 0.91661 1.00000
  Sm1 Sm 0.99975 0.99975 0.50025 1.00000
  Sm2 Sm 0.41687 0.41687 0.58313 1.00000
  Sm3 Sm 0.83313 0.83313 0.66687 1.00000
  Sm4 Sm 0.25025 0.25025 0.74975 1.00000
  Sm5 Sm 0.74975 0.74975 0.25025 1.00000
  Sm6 Sm 0.66687 0.66687 0.83313 1.00000
  Sm7 Sm 0.58313 0.58313 0.41687 1.00000
  Sm8 Sm 0.50025 0.50025 0.99975 1.00000
  As1 As 0.66637 0.16594 0.83621 1.00000
  As2 As 0.16594 0.66637 0.33148 1.00000
  As3 As 0.58363 0.08406 0.41379 1.00000
  As4 As 0.08406 0.58363 0.91852 1.00000
  As5 As 0.49794 0.00206 0.00206 1.00000
  As6 As 0.00206 0.49794 0.49794 1.00000
  As7 As 0.91852 0.41379 0.08406 1.00000
  As8 As 0.41379 0.91852 0.58363 1.00000
  As9 As 0.33148 0.83621 0.16594 1.00000
  As10 As 0.83621 0.33148 0.66637 1.00000
  As11 As 0.75206 0.24794 0.24794 1.00000
  As12 As 0.24794 0.75206 0.75206 1.00000
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