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K8Sn6Se

Alexandria ALEX

Alex-ID: agm072147384 · Space group: R-3 (#148)

Basic Information

Formula
K8Sn6Se
Alex-ID
agm072147384
Elements
3
Sites
15
Space group
R-3 (#148)
Crystal system
trigonal
Volume
633.59
ų
Cell a
8.6046
Å
Cell b
8.6046
Å
Cell c
8.6046
Å
α angle
86.46
°
β angle
86.46
°
γ angle
86.46
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K8Sn6Se
K
8.00 · 53.3%
Sn
6.00 · 40.0%
Se
1.00 · 6.7%

Energy & Stability

Energy above hull
0.1542
eV/atom
Formation energy
-0.3054
eV/atom
Corrected total energy
-40.9062
eV
Raw total energy
-40.9062
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.6001
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB6C8_124_spg148

Decomposition

KSn K2Se

Computed at

2024-10-06 14:57:26.520584

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: agm072147384).

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 agm072147384
data_agm072147384
_cell_length_a     8.60465
_cell_length_b     8.60465
_cell_length_c     8.60465
_cell_angle_alpha  86.46272
_cell_angle_beta   86.46272
_cell_angle_gamma  86.46272
_cell_volume       633.58985
_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 0.22161 0.22161 0.22161 1.00000
  K2 K 0.77839 0.77839 0.77839 1.00000
  K3 K 0.77299 0.07774 0.32641 1.00000
  K4 K 0.32641 0.77299 0.07774 1.00000
  K5 K 0.07774 0.32641 0.77299 1.00000
  K6 K 0.22701 0.92226 0.67359 1.00000
  K7 K 0.67359 0.22701 0.92226 1.00000
  K8 K 0.92226 0.67359 0.22701 1.00000
  Sn1 Sn 0.25027 0.58318 0.45795 1.00000
  Sn2 Sn 0.45795 0.25027 0.58318 1.00000
  Sn3 Sn 0.58318 0.45795 0.25027 1.00000
  Sn4 Sn 0.74973 0.41682 0.54205 1.00000
  Sn5 Sn 0.54205 0.74973 0.41682 1.00000
  Sn6 Sn 0.41682 0.54205 0.74973 1.00000
  Se1 Se 0.00000 0.00000 0.00000 1.00000
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