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K3SiPSe7

Alexandria ALEX

Alex-ID: agm021936660 · Space group: P-1 (#2)

Basic Information

Formula
K3SiPSe7
Alex-ID
agm021936660
Elements
4
Sites
24
Space group
P-1 (#2)
Crystal system
triclinic
Volume
780.39
ų
Cell a
7.1921
Å
Cell b
9.9868
Å
Cell c
11.9336
Å
α angle
103.19
°
β angle
89.96
°
γ angle
110.19
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3SiPSe7
K
6.00 · 25.0%
Si
2.00 · 8.3%
P
2.00 · 8.3%
Se
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0052
eV/atom
Formation energy
-0.7202
eV/atom
Corrected total energy
-94.4314
eV
Raw total energy
-94.4314
eV

Electronic Structure

Indirect band gap
1.7755
eV
Direct band gap
1.7755
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC3D7_36_spg2

Decomposition

K2Si2Se5 K2PSe3 Se

Computed at

2024-12-12 05:26:31

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: agm021936660).

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 agm021936660
data_agm021936660
_cell_length_a     7.19215
_cell_length_b     9.98684
_cell_length_c     11.93365
_cell_angle_alpha  103.18772
_cell_angle_beta   89.95922
_cell_angle_gamma  110.19430
_cell_volume       780.38670
_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 0.96124 0.49922 0.21983 1.00000
  K2 K 0.03876 0.50078 0.78017 1.00000
  K3 K 0.32978 0.13778 0.60497 1.00000
  K4 K 0.67022 0.86222 0.39503 1.00000
  K5 K 0.40041 0.19490 0.00590 1.00000
  K6 K 0.59959 0.80510 0.99410 1.00000
  Si1 Si 0.59514 0.56077 0.62632 1.00000
  Si2 Si 0.40486 0.43923 0.37368 1.00000
  P1 P 0.77349 0.07833 0.77987 1.00000
  P2 P 0.22651 0.92167 0.22013 1.00000
  Se1 Se 0.91265 0.24296 0.94330 1.00000
  Se2 Se 0.08735 0.75704 0.05670 1.00000
  Se3 Se 0.94982 0.93239 0.81024 1.00000
  Se4 Se 0.05018 0.06761 0.18976 1.00000
  Se5 Se 0.90591 0.74604 0.63500 1.00000
  Se6 Se 0.09409 0.25396 0.36500 1.00000
  Se7 Se 0.65095 0.39257 0.46940 1.00000
  Se8 Se 0.34905 0.60743 0.53060 1.00000
  Se9 Se 0.51981 0.48874 0.78776 1.00000
  Se10 Se 0.48019 0.51126 0.21224 1.00000
  Se11 Se 0.54359 0.04606 0.22035 1.00000
  Se12 Se 0.45641 0.95394 0.77965 1.00000
  Se13 Se 0.85139 0.15675 0.62306 1.00000
  Se14 Se 0.14861 0.84325 0.37694 1.00000
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