Navigation

HEAS Data Platform · Materials Science Database

KSmS14

Alexandria ALEX

Alex-ID: agm005757510 · Space group: Imma (#74)

Basic Information

Formula
KSmS14
Alex-ID
agm005757510
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
956.89
ų
Cell a
11.0760
Å
Cell b
11.0760
Å
Cell c
11.0760
Å
α angle
128.04
°
β angle
105.96
°
γ angle
96.24
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KSmS14
K
2.00 · 6.3%
Sm
2.00 · 6.3%
S
28.00 · 87.5%

Energy & Stability

Energy above hull
0.1980
eV/atom
Formation energy
-0.7787
eV/atom
Corrected total energy
-152.1380
eV
Raw total energy
-133.5611
eV

Electronic Structure

Indirect band gap
0.1323
eV
Direct band gap
0.1559
eV
DOS at Fermi level
14.0129
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_134_spg74

Decomposition

SmS2 KS12

Computed at

2023-07-23 14:47:28.651529

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: agm005757510).

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 agm005757510
data_agm005757510
_cell_length_a     11.07596
_cell_length_b     11.07596
_cell_length_c     11.07596
_cell_angle_alpha  128.03978
_cell_angle_beta   105.96420
_cell_angle_gamma  96.24355
_cell_volume       956.89348
_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 0.70283 0.25000 0.45283 1.00000
  K2 K 0.29717 0.75000 0.54717 1.00000
  Sm1 Sm 0.00000 0.50000 0.00000 1.00000
  Sm2 Sm 0.00000 0.00000 0.50000 1.00000
  S1 S 0.71544 0.81739 0.89804 1.00000
  S2 S 0.28456 0.18261 0.10196 1.00000
  S3 S 0.41935 0.31739 0.10196 1.00000
  S4 S 0.58065 0.68261 0.89804 1.00000
  S5 S 0.09616 0.42702 0.66914 1.00000
  S6 S 0.90384 0.57298 0.33086 1.00000
  S7 S 0.25787 0.92702 0.33086 1.00000
  S8 S 0.74213 0.07298 0.66914 1.00000
  S9 S 0.16524 0.35947 0.80577 1.00000
  S10 S 0.83476 0.64053 0.19423 1.00000
  S11 S 0.05369 0.85947 0.19423 1.00000
  S12 S 0.94631 0.14053 0.80577 1.00000
  S13 S 0.68426 0.09522 0.05316 1.00000
  S14 S 0.31574 0.36890 0.41096 1.00000
  S15 S 0.54206 0.59522 0.41096 1.00000
  S16 S 0.45794 0.86890 0.05316 1.00000
  S17 S 0.31574 0.90478 0.94684 1.00000
  S18 S 0.68426 0.63110 0.58904 1.00000
  S19 S 0.45794 0.40478 0.58904 1.00000
  S20 S 0.54206 0.13110 0.94684 1.00000
  S21 S 0.28416 0.70727 0.22542 1.00000
  S22 S 0.71584 0.94126 0.42312 1.00000
  S23 S 0.98185 0.20727 0.42312 1.00000
  S24 S 0.01815 0.44126 0.22542 1.00000
  S25 S 0.71584 0.29273 0.77458 1.00000
  S26 S 0.28416 0.05874 0.57688 1.00000
  S27 S 0.01815 0.79273 0.57688 1.00000
  S28 S 0.98185 0.55874 0.77458 1.00000
Get direct link