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K2Rb(PrSe2)3

Alexandria ALEX

Alex-ID: agm033168967 · Space group: C2/m (#12)

Basic Information

Formula
K2Rb(PrSe2)3
Alex-ID
agm033168967
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
392.67
ų
Cell a
10.3144
Å
Cell b
10.3144
Å
Cell c
9.3330
Å
α angle
72.37
°
β angle
107.63
°
γ angle
155.42
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Rb(PrSe2)3
K
2.00 · 16.7%
Rb
1.00 · 8.3%
Pr
3.00 · 25.0%
Se
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0023
eV/atom
Formation energy
-1.7367
eV/atom
Corrected total energy
-59.3080
eV
Raw total energy
-59.3080
eV

Electronic Structure

Indirect band gap
1.8884
eV
Direct band gap
2.0244
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_401_spg1

Decomposition

RbPrSe2 KPrSe2

Computed at

2025-01-18 09:34:26

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: agm033168967).

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 agm033168967
data_agm033168967
_cell_length_a     10.31441
_cell_length_b     10.31441
_cell_length_c     9.33301
_cell_angle_alpha  72.36699
_cell_angle_beta   107.63301
_cell_angle_gamma  155.41986
_cell_volume       392.66717
_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 0.16697 0.83303 0.83314 1.00000
  K2 K 0.83303 0.16697 0.16686 1.00000
  Rb1 Rb 0.50000 0.50000 0.50000 1.00000
  Pr1 Pr 0.50000 0.50000 0.00000 1.00000
  Pr2 Pr 0.16708 0.83292 0.33169 1.00000
  Pr3 Pr 0.83292 0.16708 0.66831 1.00000
  Se1 Se 0.67640 0.32360 0.56018 1.00000
  Se2 Se 0.34192 0.65808 0.89591 1.00000
  Se3 Se 0.32360 0.67640 0.43982 1.00000
  Se4 Se 0.00945 0.99055 0.22479 1.00000
  Se5 Se 0.99055 0.00945 0.77521 1.00000
  Se6 Se 0.65808 0.34192 0.10409 1.00000
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