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K2SnSe3

Alexandria ALEX

Alex-ID: agm005694643 · Space group: C2/c (#15)

Basic Information

Formula
K2SnSe3
Alex-ID
agm005694643
Elements
3
Sites
24
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
881.25
ų
Cell a
7.4163
Å
Cell b
8.1961
Å
Cell c
16.2725
Å
α angle
88.86
°
β angle
87.49
°
γ angle
63.10
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2SnSe3
K
8.00 · 33.3%
Sn
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0370
eV/atom
Formation energy
-0.8577
eV/atom
Corrected total energy
-87.3015
eV
Raw total energy
-87.3015
eV

Electronic Structure

Indirect band gap
1.1733
eV
Direct band gap
1.1733
eV
DOS at Fermi level
-0.0038
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_111_spg15

Decomposition

K2SnSe3

Computed at

2023-08-19 00:45:16.091078

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: agm005694643).

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 agm005694643
data_agm005694643
_cell_length_a     7.41628
_cell_length_b     8.19615
_cell_length_c     16.27246
_cell_angle_alpha  88.86438
_cell_angle_beta   87.48929
_cell_angle_gamma  63.10064
_cell_volume       881.25305
_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
  K1 K 0.55748 0.42028 0.34580 1.00000
  K2 K 0.02224 0.42028 0.15420 1.00000
  K3 K 0.44252 0.57972 0.65420 1.00000
  K4 K 0.97776 0.57972 0.84580 1.00000
  K5 K 0.35044 0.79671 0.06729 1.00000
  K6 K 0.85285 0.79671 0.43271 1.00000
  K7 K 0.64956 0.20329 0.93271 1.00000
  K8 K 0.14715 0.20329 0.56729 1.00000
  Sn1 Sn 0.72548 0.01244 0.15708 1.00000
  Sn2 Sn 0.26208 0.01244 0.34292 1.00000
  Sn3 Sn 0.27452 0.98756 0.84292 1.00000
  Sn4 Sn 0.73792 0.98756 0.65708 1.00000
  Se1 Se 0.58922 0.82157 0.25000 1.00000
  Se2 Se 0.41078 0.17843 0.75000 1.00000
  Se3 Se 0.49675 0.34182 0.12867 1.00000
  Se4 Se 0.16142 0.34182 0.37133 1.00000
  Se5 Se 0.50325 0.65818 0.87133 1.00000
  Se6 Se 0.83858 0.65818 0.62867 1.00000
  Se7 Se 0.68334 0.20451 0.54017 1.00000
  Se8 Se 0.11214 0.20451 0.95983 1.00000
  Se9 Se 0.31666 0.79549 0.45983 1.00000
  Se10 Se 0.88786 0.79549 0.04017 1.00000
  Se11 Se 0.94951 0.10098 0.25000 1.00000
  Se12 Se 0.05049 0.89902 0.75000 1.00000
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