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Sm2AlAgS5

Alexandria ALEX

Alex-ID: agm005158462 · Space group: Cmc2_1 (#36)

Basic Information

Formula
Sm2AlAgS5
Alex-ID
agm005158462
Elements
4
Sites
18
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
379.13
ų
Cell a
3.8523
Å
Cell b
8.9628
Å
Cell c
11.2432
Å
α angle
90.00
°
β angle
90.00
°
γ angle
102.41
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2AlAgS5
Sm
4.00 · 22.2%
Al
2.00 · 11.1%
Ag
2.00 · 11.1%
S
10.00 · 55.6%

Energy & Stability

Energy above hull
0.0735
eV/atom
Formation energy
-1.7816
eV/atom
Corrected total energy
-105.4305
eV
Raw total energy
-98.7959
eV

Electronic Structure

Indirect band gap
1.4201
eV
Direct band gap
1.4709
eV
DOS at Fermi level
-0.0014
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_200_spg36

Decomposition

AlAgS2 Sm2S3

Computed at

2023-01-06 13:38:24.699103

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: agm005158462).

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 agm005158462
data_agm005158462
_cell_length_a     3.85230
_cell_length_b     8.96284
_cell_length_c     11.24325
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  102.40988
_cell_volume       379.13090
_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 0.87483 0.74966 0.79842 1.00000
  Sm2 Sm 0.11808 0.23616 0.68136 1.00000
  Sm3 Sm 0.12517 0.25034 0.29842 1.00000
  Sm4 Sm 0.88192 0.76384 0.18136 1.00000
  Al1 Al 0.56809 0.13619 0.95406 1.00000
  Al2 Al 0.43191 0.86381 0.45406 1.00000
  Ag1 Ag 0.77401 0.54803 0.52117 1.00000
  Ag2 Ag 0.22599 0.45197 0.02117 1.00000
  S1 S 0.36892 0.73785 0.99637 1.00000
  S2 S 0.67899 0.35797 0.85291 1.00000
  S3 S 0.50254 0.00507 0.77916 1.00000
  S4 S 0.29191 0.58383 0.68115 1.00000
  S5 S 0.95895 0.91791 0.55937 1.00000
  S6 S 0.63108 0.26215 0.49637 1.00000
  S7 S 0.32101 0.64203 0.35291 1.00000
  S8 S 0.49746 0.99493 0.27916 1.00000
  S9 S 0.70809 0.41617 0.18115 1.00000
  S10 S 0.04105 0.08209 0.05937 1.00000
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