Navigation

HEAS Data Platform · Materials Science Database

Rb2Y3Cu5Se8

Alexandria ALEX

Alex-ID: agm009490002 · Space group: Cm (#8)

Basic Information

Formula
Rb2Y3Cu5Se8
Alex-ID
agm009490002
Elements
4
Sites
18
Space group
Cm (#8)
Crystal system
monoclinic
Volume
430.16
ų
Cell a
7.5452
Å
Cell b
7.5452
Å
Cell c
15.2900
Å
α angle
70.06
°
β angle
70.06
°
γ angle
31.91
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Y3Cu5Se8
Rb
2.00 · 11.1%
Y
3.00 · 16.7%
Cu
5.00 · 27.8%
Se
8.00 · 44.4%

Energy & Stability

Energy above hull
0.0147
eV/atom
Formation energy
-1.0702
eV/atom
Corrected total energy
-89.3116
eV
Raw total energy
-89.3116
eV

Electronic Structure

Indirect band gap
0.9498
eV
Direct band gap
1.1107
eV
DOS at Fermi level
-0.0091
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C5D8_1_spg8

Decomposition

Rb2Y4Cu4Se9 Rb(CuSe)3 RbY2CuSe4 Cu

Computed at

2024-04-07 00:30:21

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: agm009490002).

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 agm009490002
data_agm009490002
_cell_length_a     7.54519
_cell_length_b     7.54519
_cell_length_c     15.28997
_cell_angle_alpha  70.05683
_cell_angle_beta   70.05683
_cell_angle_gamma  31.90787
_cell_volume       430.16067
_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
  Rb1 Rb 0.01449 0.01449 0.99994 1.00000
  Rb2 Rb 0.35687 0.35687 0.41896 1.00000
  Y1 Y 0.03296 0.03296 0.59183 1.00000
  Y2 Y 0.33449 0.33449 0.81991 1.00000
  Y3 Y 0.20083 0.20083 0.21274 1.00000
  Cu1 Cu 0.72847 0.72847 0.04006 1.00000
  Cu2 Cu 0.64834 0.64834 0.40018 1.00000
  Cu3 Cu 0.98595 0.98595 0.22899 1.00000
  Cu4 Cu 0.78101 0.78101 0.67133 1.00000
  Cu5 Cu 0.58713 0.58713 0.74083 1.00000
  Se1 Se 0.57209 0.57209 0.16949 1.00000
  Se2 Se 0.31695 0.31695 0.01386 1.00000
  Se3 Se 0.69235 0.69235 0.84276 1.00000
  Se4 Se 0.80930 0.80930 0.26053 1.00000
  Se5 Se 0.05702 0.05702 0.39679 1.00000
  Se6 Se 0.67549 0.67549 0.56553 1.00000
  Se7 Se 0.38201 0.38201 0.62319 1.00000
  Se8 Se 0.98617 0.98617 0.78959 1.00000
Get direct link