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KCaS14

Alexandria ALEX

Alex-ID: agm005757398 · Space group: Imma (#74)

Basic Information

Formula
KCaS14
Alex-ID
agm005757398
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
984.11
ų
Cell a
10.9570
Å
Cell b
10.9570
Å
Cell c
10.9570
Å
α angle
120.22
°
β angle
106.73
°
γ angle
102.05
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KCaS14
K
2.00 · 6.3%
Ca
2.00 · 6.3%
S
28.00 · 87.5%

Energy & Stability

Energy above hull
0.1160
eV/atom
Formation energy
-0.7948
eV/atom
Corrected total energy
-147.2102
eV
Raw total energy
-128.6333
eV

Electronic Structure

Indirect band gap
0.0116
eV
Direct band gap
0.0116
eV
DOS at Fermi level
10.2483
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_133_spg74

Decomposition

CaS11 KS12 CaS

Computed at

2023-07-23 21:40:18.427272

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: agm005757398).

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 agm005757398
data_agm005757398
_cell_length_a     10.95699
_cell_length_b     10.95699
_cell_length_c     10.95699
_cell_angle_alpha  120.22268
_cell_angle_beta   106.72571
_cell_angle_gamma  102.05483
_cell_volume       984.10776
_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 0.67448 0.25000 0.42448 1.00000
  K2 K 0.32552 0.75000 0.57552 1.00000
  Ca1 Ca 0.00000 0.50000 0.00000 1.00000
  Ca2 Ca 0.00000 0.00000 0.50000 1.00000
  S1 S 0.75321 0.85952 0.89369 1.00000
  S2 S 0.24679 0.14048 0.10631 1.00000
  S3 S 0.46583 0.35952 0.10631 1.00000
  S4 S 0.53417 0.64048 0.89369 1.00000
  S5 S 0.07037 0.38024 0.69013 1.00000
  S6 S 0.92963 0.61976 0.30987 1.00000
  S7 S 0.19011 0.88024 0.30987 1.00000
  S8 S 0.80989 0.11976 0.69013 1.00000
  S9 S 0.29779 0.33709 0.96070 1.00000
  S10 S 0.70221 0.66291 0.03930 1.00000
  S11 S 0.87639 0.83709 0.03930 1.00000
  S12 S 0.12361 0.16291 0.96070 1.00000
  S13 S 0.67428 0.09784 0.07053 1.00000
  S14 S 0.32572 0.39624 0.42356 1.00000
  S15 S 0.52731 0.59784 0.42356 1.00000
  S16 S 0.47269 0.89624 0.07053 1.00000
  S17 S 0.32572 0.90216 0.92947 1.00000
  S18 S 0.67428 0.60376 0.57644 1.00000
  S19 S 0.47269 0.40216 0.57644 1.00000
  S20 S 0.52731 0.10376 0.92947 1.00000
  S21 S 0.27118 0.72237 0.24355 1.00000
  S22 S 0.72882 0.97236 0.45119 1.00000
  S23 S 0.97883 0.22237 0.45119 1.00000
  S24 S 0.02117 0.47236 0.24355 1.00000
  S25 S 0.72882 0.27763 0.75645 1.00000
  S26 S 0.27118 0.02764 0.54881 1.00000
  S27 S 0.02117 0.77763 0.54881 1.00000
  S28 S 0.97883 0.52764 0.75645 1.00000
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