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K2Rb(ErS2)3

Alexandria ALEX

Alex-ID: agm034684298 · Space group: C2/m (#12)

Basic Information

Formula
K2Rb(ErS2)3
Alex-ID
agm034684298
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
315.13
ų
Cell a
9.6854
Å
Cell b
9.6854
Å
Cell c
8.8051
Å
α angle
70.21
°
β angle
70.21
°
γ angle
24.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Rb(ErS2)3
K
2.00 · 16.7%
Rb
1.00 · 8.3%
Er
3.00 · 25.0%
S
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0028
eV/atom
Formation energy
-2.2059
eV/atom
Corrected total energy
-68.0965
eV
Raw total energy
-64.1157
eV

Electronic Structure

Indirect band gap
2.3664
eV
Direct band gap
2.5183
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_28_spg12

Decomposition

RbErS2 KErS2

Computed at

2024-08-25 00:10:35.240240

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: agm034684298).

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 agm034684298
data_agm034684298
_cell_length_a     9.68535
_cell_length_b     9.68535
_cell_length_c     8.80507
_cell_angle_alpha  70.20811
_cell_angle_beta   70.20811
_cell_angle_gamma  23.99601
_cell_volume       315.13128
_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 0.16686 0.16686 0.16682 1.00000
  K2 K 0.83314 0.83314 0.83318 1.00000
  Rb1 Rb 0.50000 0.50000 0.50000 1.00000
  Er1 Er 0.50000 0.50000 0.00000 1.00000
  Er2 Er 0.16714 0.16714 0.66824 1.00000
  Er3 Er 0.83286 0.83286 0.33176 1.00000
  S1 S 0.67909 0.67909 0.44627 1.00000
  S2 S 0.34448 0.34448 0.11069 1.00000
  S3 S 0.32091 0.32091 0.55373 1.00000
  S4 S 0.01228 0.01228 0.78189 1.00000
  S5 S 0.98772 0.98772 0.21811 1.00000
  S6 S 0.65552 0.65552 0.88931 1.00000
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