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Rb3Nb2Cu3Se8

Alexandria ALEX

Alex-ID: agm009300560 · Space group: C2/c (#15)

Basic Information

Formula
Rb3Nb2Cu3Se8
Alex-ID
agm009300560
Elements
4
Sites
32
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
999.21
ų
Cell a
12.9706
Å
Cell b
12.9706
Å
Cell c
15.6316
Å
α angle
61.75
°
β angle
61.75
°
γ angle
25.76
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb3Nb2Cu3Se8
Rb
6.00 · 18.8%
Nb
4.00 · 12.5%
Cu
6.00 · 18.8%
Se
16.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.8495
eV/atom
Corrected total energy
-154.0782
eV
Raw total energy
-154.0782
eV

Electronic Structure

Indirect band gap
1.5557
eV
Direct band gap
1.7113
eV
DOS at Fermi level
-0.0001
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C3D8_2_spg15

Decomposition

Rb3Nb2Cu3Se8

Computed at

2024-09-27 21:14:47.059814

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: agm009300560).

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 agm009300560
data_agm009300560
_cell_length_a     12.97061
_cell_length_b     12.97061
_cell_length_c     15.63159
_cell_angle_alpha  61.74653
_cell_angle_beta   61.74653
_cell_angle_gamma  25.76252
_cell_volume       999.21477
_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 0.34160 0.26319 0.59780 1.00000
  Rb2 Rb 0.73681 0.65840 0.90220 1.00000
  Rb3 Rb 0.65840 0.73681 0.40220 1.00000
  Rb4 Rb 0.26319 0.34160 0.09780 1.00000
  Rb5 Rb 0.00000 0.00000 0.00000 1.00000
  Rb6 Rb 0.00000 0.00000 0.50000 1.00000
  Nb1 Nb 0.40357 0.83814 0.72548 1.00000
  Nb2 Nb 0.16186 0.59643 0.77452 1.00000
  Nb3 Nb 0.59643 0.16186 0.27452 1.00000
  Nb4 Nb 0.83814 0.40357 0.22548 1.00000
  Cu1 Cu 0.27390 0.72610 0.75000 1.00000
  Cu2 Cu 0.72610 0.27390 0.25000 1.00000
  Cu3 Cu 0.66425 0.09981 0.77363 1.00000
  Cu4 Cu 0.90019 0.33575 0.72637 1.00000
  Cu5 Cu 0.33575 0.90019 0.22637 1.00000
  Cu6 Cu 0.09981 0.66425 0.27363 1.00000
  Se1 Se 0.12803 0.04629 0.63224 1.00000
  Se2 Se 0.95371 0.87197 0.86776 1.00000
  Se3 Se 0.87197 0.95371 0.36776 1.00000
  Se4 Se 0.04629 0.12803 0.13224 1.00000
  Se5 Se 0.55702 0.51447 0.84027 1.00000
  Se6 Se 0.48553 0.44298 0.65973 1.00000
  Se7 Se 0.44298 0.48553 0.15973 1.00000
  Se8 Se 0.51447 0.55702 0.34027 1.00000
  Se9 Se 0.18398 0.12194 0.81711 1.00000
  Se10 Se 0.87806 0.81602 0.68289 1.00000
  Se11 Se 0.81602 0.87806 0.18289 1.00000
  Se12 Se 0.12194 0.18398 0.31711 1.00000
  Se13 Se 0.33068 0.26230 0.88128 1.00000
  Se14 Se 0.73770 0.66932 0.61872 1.00000
  Se15 Se 0.66932 0.73770 0.11872 1.00000
  Se16 Se 0.26230 0.33068 0.38128 1.00000
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