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Rb3Er(AsSe4)2

Alexandria ALEX

Alex-ID: agm011663427 · Space group: P2_1/c (#14)

Basic Information

Formula
Rb3Er(AsSe4)2
Alex-ID
agm011663427
Elements
4
Sites
56
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
1,928.92
ų
Cell a
9.9856
Å
Cell b
18.5040
Å
Cell c
10.5077
Å
α angle
90.00
°
β angle
96.54
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb3Er(AsSe4)2
Rb
12.00 · 21.4%
Er
4.00 · 7.1%
As
8.00 · 14.3%
Se
32.00 · 57.1%

Energy & Stability

Energy above hull
0.0246
eV/atom
Formation energy
-0.8274
eV/atom
Corrected total energy
-225.0946
eV
Raw total energy
-225.0946
eV

Electronic Structure

Indirect band gap
1.2434
eV
Direct band gap
1.2434
eV
DOS at Fermi level
-0.0173
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D8_78_spg14

Decomposition

RbAsSe2 RbErSe2 Se

Computed at

2025-03-08 09:59:57

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: agm011663427).

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 agm011663427
data_agm011663427
_cell_length_a     9.98560
_cell_length_b     18.50399
_cell_length_c     10.50773
_cell_angle_alpha  90.00000
_cell_angle_beta   96.53774
_cell_angle_gamma  90.00000
_cell_volume       1928.92288
_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 0.12675 0.27878 0.62642 1.00000
  Rb2 Rb 0.87325 0.77878 0.87358 1.00000
  Rb3 Rb 0.87325 0.72122 0.37358 1.00000
  Rb4 Rb 0.12675 0.22122 0.12642 1.00000
  Rb5 Rb 0.59884 0.21425 0.64880 1.00000
  Rb6 Rb 0.40116 0.71425 0.85120 1.00000
  Rb7 Rb 0.40116 0.78575 0.35120 1.00000
  Rb8 Rb 0.59884 0.28575 0.14880 1.00000
  Rb9 Rb 0.73666 0.45277 0.50633 1.00000
  Rb10 Rb 0.26334 0.95277 0.99367 1.00000
  Rb11 Rb 0.26334 0.54723 0.49367 1.00000
  Rb12 Rb 0.73666 0.04723 0.00633 1.00000
  Er1 Er 0.24387 0.01321 0.50537 1.00000
  Er2 Er 0.75613 0.51321 0.99463 1.00000
  Er3 Er 0.75613 0.98679 0.49463 1.00000
  Er4 Er 0.24387 0.48679 0.00537 1.00000
  As1 As 0.99289 0.59047 0.77039 1.00000
  As2 As 0.00711 0.09047 0.72961 1.00000
  As3 As 0.00711 0.40953 0.22961 1.00000
  As4 As 0.99289 0.90953 0.27039 1.00000
  As5 As 0.47337 0.40331 0.78614 1.00000
  As6 As 0.52663 0.90331 0.71386 1.00000
  As7 As 0.52663 0.59669 0.21386 1.00000
  As8 As 0.47337 0.09669 0.28614 1.00000
  Se1 Se 0.08494 0.68591 0.66329 1.00000
  Se2 Se 0.91506 0.18591 0.83671 1.00000
  Se3 Se 0.91506 0.31409 0.33671 1.00000
  Se4 Se 0.08494 0.81409 0.16329 1.00000
  Se5 Se 0.24655 0.08346 0.75272 1.00000
  Se6 Se 0.75345 0.58346 0.74728 1.00000
  Se7 Se 0.75345 0.91654 0.24728 1.00000
  Se8 Se 0.24655 0.41654 0.25272 1.00000
  Se9 Se 0.09524 0.47715 0.74163 1.00000
  Se10 Se 0.90476 0.97715 0.75837 1.00000
  Se11 Se 0.90476 0.52285 0.25837 1.00000
  Se12 Se 0.09524 0.02285 0.24163 1.00000
  Se13 Se 0.01723 0.59940 0.99904 1.00000
  Se14 Se 0.98277 0.09940 0.50096 1.00000
  Se15 Se 0.98277 0.40060 0.00096 1.00000
  Se16 Se 0.01723 0.90060 0.49904 1.00000
  Se17 Se 0.42092 0.37695 0.56974 1.00000
  Se18 Se 0.57908 0.87695 0.93026 1.00000
  Se19 Se 0.57908 0.62305 0.43026 1.00000
  Se20 Se 0.42092 0.12305 0.06974 1.00000
  Se21 Se 0.31821 0.34747 0.90986 1.00000
  Se22 Se 0.68179 0.84747 0.59014 1.00000
  Se23 Se 0.68179 0.65253 0.09014 1.00000
  Se24 Se 0.31821 0.15253 0.40986 1.00000
  Se25 Se 0.69876 0.37463 0.87205 1.00000
  Se26 Se 0.30124 0.87463 0.62795 1.00000
  Se27 Se 0.30124 0.62537 0.12795 1.00000
  Se28 Se 0.69876 0.12537 0.37205 1.00000
  Se29 Se 0.53736 0.02905 0.66461 1.00000
  Se30 Se 0.46264 0.52905 0.83539 1.00000
  Se31 Se 0.46264 0.97095 0.33539 1.00000
  Se32 Se 0.53736 0.47095 0.16461 1.00000
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