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KSmS14

Alexandria ALEX

Alex-ID: agm013190058 · Space group: C2/c (#15)

Basic Information

Formula
KSmS14
Alex-ID
agm013190058
Elements
3
Sites
32
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
971.29
ų
Cell a
8.8815
Å
Cell b
8.8815
Å
Cell c
15.5618
Å
α angle
64.55
°
β angle
64.55
°
γ angle
67.58
°

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
0.0912
eV/atom
Formation energy
-0.8855
eV/atom
Corrected total energy
-155.5548
eV
Raw total energy
-136.9779
eV

Electronic Structure

Indirect band gap
0.6697
eV
Direct band gap
0.7213
eV
DOS at Fermi level
-0.4293
Total magnetisation
3.8935
μB

Additional Information

Prototype ID

ABC14_286_spg15

Decomposition

SmS2 KS12

Computed at

2024-09-13 13:08:03.484727

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: agm013190058).

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 agm013190058
data_agm013190058
_cell_length_a     8.88145
_cell_length_b     8.88145
_cell_length_c     15.56184
_cell_angle_alpha  64.55163
_cell_angle_beta   64.55163
_cell_angle_gamma  67.57924
_cell_volume       971.29105
_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 0.28535 0.71465 0.25000 1.00000
  K2 K 0.71465 0.28535 0.75000 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  Sm2 Sm 0.50000 0.50000 0.00000 1.00000
  S1 S 0.05933 0.93479 0.69004 1.00000
  S2 S 0.94067 0.06521 0.30996 1.00000
  S3 S 0.93479 0.05933 0.19004 1.00000
  S4 S 0.06521 0.94067 0.80996 1.00000
  S5 S 0.76096 0.69399 0.99512 1.00000
  S6 S 0.23904 0.30601 0.00488 1.00000
  S7 S 0.69399 0.76096 0.49512 1.00000
  S8 S 0.30601 0.23904 0.50488 1.00000
  S9 S 0.66678 0.50405 0.11882 1.00000
  S10 S 0.33322 0.49595 0.88118 1.00000
  S11 S 0.50405 0.66678 0.61882 1.00000
  S12 S 0.49595 0.33322 0.38118 1.00000
  S13 S 0.50153 0.10062 0.65771 1.00000
  S14 S 0.70692 0.66385 0.79077 1.00000
  S15 S 0.10062 0.50153 0.15771 1.00000
  S16 S 0.66385 0.70692 0.29077 1.00000
  S17 S 0.49847 0.89938 0.34229 1.00000
  S18 S 0.29308 0.33615 0.20923 1.00000
  S19 S 0.89938 0.49847 0.84229 1.00000
  S20 S 0.33615 0.29308 0.70923 1.00000
  S21 S 0.83913 0.58370 0.42742 1.00000
  S22 S 0.17196 0.72383 0.06116 1.00000
  S23 S 0.58370 0.83913 0.92742 1.00000
  S24 S 0.72383 0.17196 0.56116 1.00000
  S25 S 0.16087 0.41630 0.57258 1.00000
  S26 S 0.82804 0.27617 0.93884 1.00000
  S27 S 0.41630 0.16087 0.07258 1.00000
  S28 S 0.27617 0.82804 0.43884 1.00000
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