Navigation

HEAS Data Platform · Materials Science Database

KNaPa2S5

Alexandria ALEX

Alex-ID: agm005176606 · Space group: I4/mcm (#140)

Basic Information

Formula
KNaPa2S5
Alex-ID
agm005176606
Elements
4
Sites
18
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
444.41
ų
Cell a
7.6368
Å
Cell b
7.6368
Å
Cell c
9.3394
Å
α angle
114.13
°
β angle
114.13
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KNaPa2S5
K
2.00 · 11.1%
Na
2.00 · 11.1%
Pa
4.00 · 22.2%
S
10.00 · 55.6%

Energy & Stability

Energy above hull
0.0533
eV/atom
Formation energy
-1.8844
eV/atom
Corrected total energy
-118.0310
eV
Raw total energy
-111.3964
eV

Electronic Structure

Indirect band gap
0.0090
eV
Direct band gap
0.0482
eV
DOS at Fermi level
8.0216
Total magnetisation
3.9556
μB

Additional Information

Prototype ID

ABC2D5_41_spg140

Decomposition

KPa2S5 Pa2S3 K2Na(PaS3)2 Na3PaS4

Computed at

2023-01-16 11:48:38.767648

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: agm005176606).

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 agm005176606
data_agm005176606
_cell_length_a     7.63684
_cell_length_b     7.63684
_cell_length_c     9.33942
_cell_angle_alpha  114.13262
_cell_angle_beta   114.13262
_cell_angle_gamma  90.00000
_cell_volume       444.40784
_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 0.25000 0.50000 1.00000
  K2 K 0.75000 0.75000 0.50000 1.00000
  Na1 Na 0.25000 0.75000 0.50000 1.00000
  Na2 Na 0.75000 0.25000 0.50000 1.00000
  Pa1 Pa 0.16058 0.33942 0.00000 1.00000
  Pa2 Pa 0.66058 0.16058 1.00000 1.00000
  Pa3 Pa 0.33942 0.83942 0.00000 1.00000
  Pa4 Pa 0.83942 0.66058 0.00000 1.00000
  S1 S 0.96538 0.46538 0.22605 1.00000
  S2 S 0.73933 0.23933 0.77395 1.00000
  S3 S 0.03462 0.53462 0.77395 1.00000
  S4 S 0.23933 0.03462 0.77395 1.00000
  S5 S 0.53462 0.73933 0.77395 1.00000
  S6 S 0.76067 0.96538 0.22605 1.00000
  S7 S 0.46538 0.26067 0.22605 1.00000
  S8 S 0.26067 0.76067 0.22605 1.00000
  S9 S 0.50000 0.50000 0.00000 1.00000
  S10 S 0.00000 0.00000 0.00000 1.00000
Get direct link