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KDy2Cu3Se5

Alexandria ALEX

Alex-ID: agm020020299 · Space group: Cmcm (#63)

Alexandria Database API

Basic Information

Formula
KDy2Cu3Se5
Alex-ID
agm020020299
Elements
4
Sites
22
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
506.88
ų
Cell a
7.5183
Å
Cell b
7.5183
Å
Cell c
16.9965
Å
α angle
90.00
°
β angle
90.00
°
γ angle
148.16
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KDy2Cu3Se5
K
2.00 · 9.1%
Dy
4.00 · 18.2%
Cu
6.00 · 27.3%
Se
10.00 · 45.5%

Energy & Stability

Energy above hull
0.0097
eV/atom
Formation energy
-1.1063
eV/atom
Corrected total energy
-104.8226
eV
Raw total energy
-104.8226
eV

Electronic Structure

Indirect band gap
1.0585
eV
Direct band gap
1.1387
eV
DOS at Fermi level
-0.0061
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D5_8_spg63

Decomposition

Cu3Se2 KDy2CuSe4 Cu

Computed at

2024-11-15 03:42:49.494057

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: agm020020299).

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 agm020020299
data_agm020020299
_cell_length_a     7.51832
_cell_length_b     7.51832
_cell_length_c     16.99652
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  148.15643
_cell_volume       506.88294
_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 0.56102 0.43898 0.75000 1.00000
  K2 K 0.43898 0.56102 0.25000 1.00000
  Dy1 Dy 0.69187 0.30813 0.09267 1.00000
  Dy2 Dy 0.30813 0.69187 0.59267 1.00000
  Dy3 Dy 0.30813 0.69187 0.90733 1.00000
  Dy4 Dy 0.69187 0.30813 0.40733 1.00000
  Cu1 Cu 0.08525 0.91475 0.52787 1.00000
  Cu2 Cu 0.16137 0.83863 0.25000 1.00000
  Cu3 Cu 0.91475 0.08525 0.47213 1.00000
  Cu4 Cu 0.91475 0.08525 0.02787 1.00000
  Cu5 Cu 0.83863 0.16137 0.75000 1.00000
  Cu6 Cu 0.08525 0.91475 0.97213 1.00000
  Se1 Se 0.94138 0.05862 0.88096 1.00000
  Se2 Se 0.33562 0.66438 0.42747 1.00000
  Se3 Se 0.05862 0.94138 0.11904 1.00000
  Se4 Se 0.24967 0.75033 0.75000 1.00000
  Se5 Se 0.66438 0.33562 0.92747 1.00000
  Se6 Se 0.66438 0.33562 0.57253 1.00000
  Se7 Se 0.05862 0.94138 0.38096 1.00000
  Se8 Se 0.75033 0.24967 0.25000 1.00000
  Se9 Se 0.33562 0.66438 0.07253 1.00000
  Se10 Se 0.94138 0.05862 0.61904 1.00000
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