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KLaS14

Alexandria ALEX

Alex-ID: agm005757441 · Space group: C2/c (#15)

Basic Information

Formula
KLaS14
Alex-ID
agm005757441
Elements
3
Sites
32
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
1,002.66
ų
Cell a
19.9677
Å
Cell b
9.2348
Å
Cell c
9.2348
Å
α angle
58.38
°
β angle
50.90
°
γ angle
50.90
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KLaS14
K
2.00 · 6.3%
La
2.00 · 6.3%
S
28.00 · 87.5%

Energy & Stability

Energy above hull
0.0749
eV/atom
Formation energy
-0.9265
eV/atom
Corrected total energy
-157.2757
eV
Raw total energy
-138.6988
eV

Electronic Structure

Indirect band gap
0.7924
eV
Direct band gap
0.7924
eV
DOS at Fermi level
-0.5427
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_118_spg15

Decomposition

LaS2 KS12

Computed at

2023-07-21 07:04:42.668456

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: agm005757441).

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 agm005757441
data_agm005757441
_cell_length_a     19.96768
_cell_length_b     9.23485
_cell_length_c     9.23482
_cell_angle_alpha  58.37628
_cell_angle_beta   50.90057
_cell_angle_gamma  50.90047
_cell_volume       1002.66211
_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 0.25000 0.28331 0.21669 1.00000
  K2 K 0.75000 0.71669 0.78331 1.00000
  La1 La 0.50000 0.00000 0.50000 1.00000
  La2 La 0.00000 0.00000 0.50000 1.00000
  S1 S 0.71196 0.30735 0.14967 1.00000
  S2 S 0.28804 0.69265 0.85033 1.00000
  S3 S 0.21196 0.64967 0.80735 1.00000
  S4 S 0.78804 0.35033 0.19265 1.00000
  S5 S 0.14181 0.02363 0.47793 1.00000
  S6 S 0.85819 0.97637 0.52207 1.00000
  S7 S 0.64181 0.97793 0.52363 1.00000
  S8 S 0.35819 0.02207 0.47637 1.00000
  S9 S 0.09907 0.91404 0.76484 1.00000
  S10 S 0.90093 0.08596 0.23516 1.00000
  S11 S 0.59907 0.26484 0.41404 1.00000
  S12 S 0.40093 0.73516 0.58596 1.00000
  S13 S 0.88247 0.54283 0.23738 1.00000
  S14 S 0.56128 0.45711 0.76298 1.00000
  S15 S 0.38247 0.73739 0.04283 1.00000
  S16 S 0.06128 0.26298 0.95710 1.00000
  S17 S 0.11753 0.45717 0.76262 1.00000
  S18 S 0.43872 0.54289 0.23702 1.00000
  S19 S 0.61753 0.26261 0.95717 1.00000
  S20 S 0.93872 0.73702 0.04290 1.00000
  S21 S 0.43018 0.93068 0.91819 1.00000
  S22 S 0.13726 0.09568 0.10573 1.00000
  S23 S 0.93018 0.41819 0.43069 1.00000
  S24 S 0.63726 0.60573 0.59568 1.00000
  S25 S 0.56982 0.06932 0.08181 1.00000
  S26 S 0.86274 0.90432 0.89427 1.00000
  S27 S 0.06982 0.58181 0.56931 1.00000
  S28 S 0.36274 0.39427 0.40432 1.00000
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