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Sr2SmSe3

Alexandria ALEX

Alex-ID: agm005690743 · Space group: Fddd (#70)

Basic Information

Formula
Sr2SmSe3
Alex-ID
agm005690743
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
693.03
ų
Cell a
7.5221
Å
Cell b
7.5221
Å
Cell c
13.6906
Å
α angle
100.59
°
β angle
100.59
°
γ angle
109.35
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr2SmSe3
Sr
8.00 · 33.3%
Sm
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0337
eV/atom
Formation energy
-1.9450
eV/atom
Corrected total energy
-120.9783
eV
Raw total energy
-120.9783
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0027
eV
DOS at Fermi level
6.0576
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

SmSe SrSe

Computed at

2023-08-24 21:23:32.144466

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: agm005690743).

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 agm005690743
data_agm005690743
_cell_length_a     7.52213
_cell_length_b     7.52213
_cell_length_c     13.69055
_cell_angle_alpha  100.58578
_cell_angle_beta   100.58578
_cell_angle_gamma  109.34718
_cell_volume       693.03141
_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
  Sr1 Sr 0.99882 0.49882 0.99764 1.00000
  Sr2 Sr 0.41762 0.41762 0.83524 1.00000
  Sr3 Sr 0.83238 0.33238 0.66476 1.00000
  Sr4 Sr 0.25118 0.25118 0.50236 1.00000
  Sr5 Sr 0.74882 0.74882 0.49764 1.00000
  Sr6 Sr 0.66762 0.16762 0.33524 1.00000
  Sr7 Sr 0.58238 0.58238 0.16476 1.00000
  Sr8 Sr 0.50118 0.00118 0.00236 1.00000
  Sm1 Sm 0.91683 0.91683 0.83365 1.00000
  Sm2 Sm 0.33317 0.83317 0.66635 1.00000
  Sm3 Sm 0.16683 0.66683 0.33365 1.00000
  Sm4 Sm 0.08317 0.08317 0.16635 1.00000
  Se1 Se 0.16514 0.67633 0.82930 1.00000
  Se2 Se 0.66416 0.15298 0.82930 1.00000
  Se3 Se 0.08486 0.07367 0.67070 1.00000
  Se4 Se 0.58584 0.59702 0.67070 1.00000
  Se5 Se 0.01153 0.51153 0.50000 1.00000
  Se6 Se 0.48847 0.98847 0.50000 1.00000
  Se7 Se 0.40298 0.41416 0.32930 1.00000
  Se8 Se 0.92633 0.91514 0.32930 1.00000
  Se9 Se 0.84702 0.33584 0.17070 1.00000
  Se10 Se 0.32367 0.83486 0.17070 1.00000
  Se11 Se 0.23847 0.23847 0.00000 1.00000
  Se12 Se 0.76153 0.76153 1.00000 1.00000
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