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Sm2HoAgSe5

Alexandria ALEX

Alex-ID: agm005156249 · Space group: Cmc2_1 (#36)

Basic Information

Formula
Sm2HoAgSe5
Alex-ID
agm005156249
Elements
4
Sites
18
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
447.31
ų
Cell a
4.1198
Å
Cell b
8.9341
Å
Cell c
12.4894
Å
α angle
90.00
°
β angle
90.00
°
γ angle
103.33
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2HoAgSe5
Sm
4.00 · 22.2%
Ho
2.00 · 11.1%
Ag
2.00 · 11.1%
Se
10.00 · 55.6%

Energy & Stability

Energy above hull
0.0702
eV/atom
Formation energy
-1.5196
eV/atom
Corrected total energy
-96.0116
eV
Raw total energy
-96.0116
eV

Electronic Structure

Indirect band gap
0.3903
eV
Direct band gap
0.4253
eV
DOS at Fermi level
0.0802
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_211_spg36

Decomposition

Sm2Se3 Sm10Se19 Ho2Se3 Ag

Computed at

2023-01-19 13:54:26.598022

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: agm005156249).

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 agm005156249
data_agm005156249
_cell_length_a     4.11983
_cell_length_b     8.93406
_cell_length_c     12.48942
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  103.33055
_cell_volume       447.30915
_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 0.87467 0.74934 0.80422 1.00000
  Sm2 Sm 0.11004 0.22008 0.68536 1.00000
  Sm3 Sm 0.12533 0.25066 0.30422 1.00000
  Sm4 Sm 0.88996 0.77992 0.18536 1.00000
  Ho1 Ho 0.80447 0.60894 0.50865 1.00000
  Ho2 Ho 0.19553 0.39106 0.00865 1.00000
  Ag1 Ag 0.55676 0.11353 0.95985 1.00000
  Ag2 Ag 0.44324 0.88647 0.45985 1.00000
  Se1 Se 0.35962 0.71923 0.00011 1.00000
  Se2 Se 0.69436 0.38873 0.84411 1.00000
  Se3 Se 0.49753 0.99506 0.77294 1.00000
  Se4 Se 0.28592 0.57183 0.66755 1.00000
  Se5 Se 0.95451 0.90902 0.58117 1.00000
  Se6 Se 0.64038 0.28077 0.50011 1.00000
  Se7 Se 0.30564 0.61127 0.34411 1.00000
  Se8 Se 0.50247 0.00494 0.27294 1.00000
  Se9 Se 0.71408 0.42817 0.16755 1.00000
  Se10 Se 0.04549 0.09098 0.08117 1.00000
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