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HEAS Data Platform · Materials Science Database

K2NiS15

Alexandria ALEX

Alex-ID: agm018919956 · Space group: Cc (#9)

Basic Information

Formula
K2NiS15
Alex-ID
agm018919956
Elements
3
Sites
36
Space group
Cc (#9)
Crystal system
monoclinic
Volume
1,094.99
ų
Cell a
9.0184
Å
Cell b
9.0184
Å
Cell c
14.0226
Å
α angle
78.84
°
β angle
78.84
°
γ angle
91.78
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2NiS15
K
4.00 · 11.1%
Ni
2.00 · 5.6%
S
30.00 · 83.3%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.8071
eV/atom
Corrected total energy
-168.8548
eV
Raw total energy
-148.9510
eV

Electronic Structure

Indirect band gap
1.3383
eV
Direct band gap
1.3660
eV
DOS at Fermi level
-0.0057
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C15_12_spg9

Decomposition

K2NiS15

Computed at

2024-10-26 20:26:05.811647

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: agm018919956).

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 agm018919956
data_agm018919956
_cell_length_a     9.01837
_cell_length_b     9.01837
_cell_length_c     14.02257
_cell_angle_alpha  78.84340
_cell_angle_beta   78.84340
_cell_angle_gamma  91.77719
_cell_volume       1094.99238
_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 0.75416 0.68794 0.19809 1.00000
  K2 K 0.68794 0.75416 0.69809 1.00000
  K3 K 0.10635 0.22290 0.38198 1.00000
  K4 K 0.22290 0.10635 0.88198 1.00000
  Ni1 Ni 0.16441 0.82352 0.25670 1.00000
  Ni2 Ni 0.82352 0.16441 0.75670 1.00000
  S1 S 0.38221 0.50954 0.20671 1.00000
  S2 S 0.50954 0.38221 0.70671 1.00000
  S3 S 0.35011 0.52405 0.06007 1.00000
  S4 S 0.52405 0.35011 0.56007 1.00000
  S5 S 0.47944 0.13291 0.33272 1.00000
  S6 S 0.13291 0.47944 0.83272 1.00000
  S7 S 0.41673 0.90759 0.40856 1.00000
  S8 S 0.90759 0.41673 0.90856 1.00000
  S9 S 0.19591 0.86585 0.40954 1.00000
  S10 S 0.86585 0.19591 0.90954 1.00000
  S11 S 0.39608 0.72193 0.23118 1.00000
  S12 S 0.72193 0.39608 0.73118 1.00000
  S13 S 0.12854 0.58621 0.07917 1.00000
  S14 S 0.58621 0.12854 0.57917 1.00000
  S15 S 0.13134 0.80413 0.09778 1.00000
  S16 S 0.80413 0.13134 0.59778 1.00000
  S17 S 0.26032 0.07151 0.18238 1.00000
  S18 S 0.07151 0.26032 0.68238 1.00000
  S19 S 0.48113 0.10473 0.18830 1.00000
  S20 S 0.10473 0.48113 0.68830 1.00000
  S21 S 0.03638 0.58727 0.32407 1.00000
  S22 S 0.58727 0.03638 0.82407 1.00000
  S23 S 0.82410 0.91263 0.41114 1.00000
  S24 S 0.91263 0.82410 0.91114 1.00000
  S25 S 0.92927 0.57602 0.46591 1.00000
  S26 S 0.57602 0.92927 0.96591 1.00000
  S27 S 0.93523 0.93936 0.26829 1.00000
  S28 S 0.93936 0.93523 0.76829 1.00000
  S29 S 0.73020 0.68861 0.45639 1.00000
  S30 S 0.68861 0.73020 0.95639 1.00000
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