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KEr3Se5

Alexandria ALEX

Alex-ID: agm012635751 · Space group: Pnma (#62)

Basic Information

Formula
KEr3Se5
Alex-ID
agm012635751
Elements
3
Sites
36
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,081.51
ų
Cell a
4.1014
Å
Cell b
12.2192
Å
Cell c
21.5803
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KEr3Se5
K
4.00 · 11.1%
Er
12.00 · 33.3%
Se
20.00 · 55.6%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.8245
eV/atom
Corrected total energy
-194.6568
eV
Raw total energy
-194.6568
eV

Electronic Structure

Indirect band gap
1.4676
eV
Direct band gap
1.4676
eV
DOS at Fermi level
-0.0001
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C5_71_spg62

Decomposition

KEr3Se5

Computed at

2025-03-11 09:42:02

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: agm012635751).

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 agm012635751
data_agm012635751
_cell_length_a     4.10138
_cell_length_b     12.21918
_cell_length_c     21.58027
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1081.50676
_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 0.75000 0.32228 0.60440 1.00000
  K2 K 0.25000 0.67772 0.39560 1.00000
  K3 K 0.25000 0.82228 0.89560 1.00000
  K4 K 0.75000 0.17772 0.10440 1.00000
  Er1 Er 0.25000 0.32372 0.33536 1.00000
  Er2 Er 0.75000 0.67628 0.66464 1.00000
  Er3 Er 0.75000 0.82372 0.16464 1.00000
  Er4 Er 0.25000 0.17628 0.83536 1.00000
  Er5 Er 0.75000 0.48205 0.20302 1.00000
  Er6 Er 0.25000 0.51795 0.79698 1.00000
  Er7 Er 0.25000 0.98205 0.29698 1.00000
  Er8 Er 0.75000 0.01795 0.70302 1.00000
  Er9 Er 0.25000 0.88336 0.55026 1.00000
  Er10 Er 0.75000 0.11664 0.44974 1.00000
  Er11 Er 0.75000 0.38336 0.94974 1.00000
  Er12 Er 0.25000 0.61664 0.05026 1.00000
  Se1 Se 0.75000 0.45622 0.07234 1.00000
  Se2 Se 0.25000 0.54378 0.92766 1.00000
  Se3 Se 0.25000 0.95622 0.42766 1.00000
  Se4 Se 0.75000 0.04378 0.57234 1.00000
  Se5 Se 0.25000 0.27397 0.46353 1.00000
  Se6 Se 0.75000 0.72603 0.53647 1.00000
  Se7 Se 0.75000 0.77397 0.03647 1.00000
  Se8 Se 0.25000 0.22603 0.96353 1.00000
  Se9 Se 0.75000 0.48005 0.33488 1.00000
  Se10 Se 0.25000 0.51995 0.66512 1.00000
  Se11 Se 0.25000 0.98005 0.16512 1.00000
  Se12 Se 0.75000 0.01995 0.83488 1.00000
  Se13 Se 0.25000 0.65114 0.18232 1.00000
  Se14 Se 0.75000 0.34886 0.81768 1.00000
  Se15 Se 0.75000 0.15114 0.31768 1.00000
  Se16 Se 0.25000 0.84886 0.68232 1.00000
  Se17 Se 0.25000 0.17155 0.70452 1.00000
  Se18 Se 0.75000 0.82845 0.29548 1.00000
  Se19 Se 0.75000 0.67155 0.79548 1.00000
  Se20 Se 0.25000 0.32845 0.20452 1.00000
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