Navigation

HEAS Data Platform · Materials Science Database

Rb2Sn4I9

Alexandria ALEX

Alex-ID: agm005641871 · Space group: P-1 (#2)

Basic Information

Formula
Rb2Sn4I9
Alex-ID
agm005641871
Elements
3
Sites
30
Space group
P-1 (#2)
Crystal system
triclinic
Volume
1,470.86
ų
Cell a
8.3717
Å
Cell b
8.4047
Å
Cell c
24.4477
Å
α angle
91.49
°
β angle
88.08
°
γ angle
58.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Sn4I9
Rb
4.00 · 13.3%
Sn
8.00 · 26.7%
I
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0957
eV/atom
Formation energy
-0.6661
eV/atom
Corrected total energy
-83.7796
eV
Raw total energy
-83.7796
eV

Electronic Structure

Indirect band gap
0.3328
eV
Direct band gap
0.5295
eV
DOS at Fermi level
1.6287
Total magnetisation
2.0590
μB

Additional Information

Prototype ID

A2B4C9_138_spg15

Decomposition

RbSnI3 SnI2 Sn

Computed at

2023-06-16 23:58:46.405148

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: agm005641871).

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 agm005641871
data_agm005641871
_cell_length_a     8.37171
_cell_length_b     8.40473
_cell_length_c     24.44769
_cell_angle_alpha  91.49480
_cell_angle_beta   88.07584
_cell_angle_gamma  58.94161
_cell_volume       1470.85841
_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 0.99758 0.99931 0.34560 1.00000
  Rb2 Rb 0.96860 0.02675 0.14891 1.00000
  Rb3 Rb 0.00242 0.00069 0.65440 1.00000
  Rb4 Rb 0.03140 0.97325 0.85109 1.00000
  Sn1 Sn 0.33785 0.33398 0.00016 1.00000
  Sn2 Sn 0.32666 0.32766 0.49780 1.00000
  Sn3 Sn 0.66215 0.66602 0.99984 1.00000
  Sn4 Sn 0.27977 0.36267 0.18178 1.00000
  Sn5 Sn 0.67334 0.67234 0.50220 1.00000
  Sn6 Sn 0.61853 0.64345 0.32391 1.00000
  Sn7 Sn 0.38147 0.35655 0.67609 1.00000
  Sn8 Sn 0.72023 0.63733 0.81822 1.00000
  I1 I 0.05119 0.31762 0.75543 1.00000
  I2 I 0.39903 0.65697 0.74409 1.00000
  I3 I 0.69975 0.95089 0.75962 1.00000
  I4 I 0.94881 0.68238 0.24457 1.00000
  I5 I 0.60097 0.34303 0.25591 1.00000
  I6 I 0.30025 0.04911 0.24038 1.00000
  I7 I 0.62396 0.96426 0.41752 1.00000
  I8 I 0.00865 0.36843 0.42611 1.00000
  I9 I 0.37904 0.62145 0.42058 1.00000
  I10 I 0.59525 0.02553 0.07710 1.00000
  I11 I 0.36735 0.62187 0.07739 1.00000
  I12 I 0.00103 0.39605 0.08148 1.00000
  I13 I 0.37604 0.03574 0.58248 1.00000
  I14 I 0.99135 0.63157 0.57389 1.00000
  I15 I 0.62096 0.37855 0.57942 1.00000
  I16 I 0.40475 0.97447 0.92290 1.00000
  I17 I 0.63265 0.37813 0.92261 1.00000
  I18 I 0.99897 0.60395 0.91852 1.00000
Get direct link