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KSr2PaSe5

Alexandria ALEX

Alex-ID: agm005178276 · Space group: Immm (#71)

Basic Information

Formula
KSr2PaSe5
Alex-ID
agm005178276
Elements
4
Sites
9
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
312.34
ų
Cell a
5.3986
Å
Cell b
7.7674
Å
Cell c
8.8232
Å
α angle
116.11
°
β angle
107.81
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KSr2PaSe5
K
1.00 · 11.1%
Sr
2.00 · 22.2%
Pa
1.00 · 11.1%
Se
5.00 · 55.6%

Energy & Stability

Energy above hull
0.0714
eV/atom
Formation energy
-1.6147
eV/atom
Corrected total energy
-45.9653
eV
Raw total energy
-45.9653
eV

Electronic Structure

Indirect band gap
0.9566
eV
Direct band gap
1.0011
eV
DOS at Fermi level
-0.0350
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_40_spg71

Decomposition

K3Sr2PaSe6 Sr5(PaSe4)3 PaSe3 SrSe

Computed at

2023-01-09 10:16:19.254686

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: agm005178276).

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 agm005178276
data_agm005178276
_cell_length_a     5.39862
_cell_length_b     7.76741
_cell_length_c     8.82318
_cell_angle_alpha  116.11477
_cell_angle_beta   107.81435
_cell_angle_gamma  90.00000
_cell_volume       312.33671
_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 0.00000 0.50000 0.00000 1.00000
  Sr1 Sr 0.20929 0.20929 0.41858 1.00000
  Sr2 Sr 0.79071 0.79071 0.58142 1.00000
  Pa1 Pa 0.50000 0.00000 0.00000 1.00000
  Se1 Se 0.63751 0.89867 0.27502 1.00000
  Se2 Se 0.36249 0.10133 0.72498 1.00000
  Se3 Se 0.36249 0.62365 0.72498 1.00000
  Se4 Se 0.63751 0.37635 0.27502 1.00000
  Se5 Se 0.00000 0.00000 0.00000 1.00000
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