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Cs3IBr2

Alexandria ALEX

Alex-ID: agm020057028 · Space group: Pnma (#62)

Basic Information

Formula
Cs3IBr2
Alex-ID
agm020057028
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,278.43
ų
Cell a
7.5406
Å
Cell b
10.6547
Å
Cell c
15.9122
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs3IBr2
Cs
12.00 · 50.0%
I
4.00 · 16.7%
Br
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0066
eV/atom
Formation energy
-1.6997
eV/atom
Corrected total energy
-70.6532
eV
Raw total energy
-70.6532
eV

Electronic Structure

Indirect band gap
4.1004
eV
Direct band gap
4.1004
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0008
μB

Additional Information

Prototype ID

AB2C3_4901_spg62

Decomposition

Cs5IBr4 CsI

Computed at

2025-01-17 17:47:12

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: agm020057028).

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 agm020057028
data_agm020057028
_cell_length_a     7.54056
_cell_length_b     10.65471
_cell_length_c     15.91221
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1278.42701
_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
  Cs1 Cs 0.25000 0.35793 0.08889 1.00000
  Cs2 Cs 0.25000 0.85793 0.41111 1.00000
  Cs3 Cs 0.25000 0.38855 0.40833 1.00000
  Cs4 Cs 0.25000 0.88855 0.09167 1.00000
  Cs5 Cs 0.25000 0.37173 0.75447 1.00000
  Cs6 Cs 0.25000 0.87173 0.74553 1.00000
  Cs7 Cs 0.75000 0.12827 0.25447 1.00000
  Cs8 Cs 0.75000 0.62827 0.24553 1.00000
  Cs9 Cs 0.75000 0.11145 0.90833 1.00000
  Cs10 Cs 0.75000 0.61145 0.59167 1.00000
  Cs11 Cs 0.75000 0.14207 0.58889 1.00000
  Cs12 Cs 0.75000 0.64207 0.91111 1.00000
  I1 I 0.25000 0.12663 0.57617 1.00000
  I2 I 0.25000 0.62663 0.92383 1.00000
  I3 I 0.75000 0.37337 0.07617 1.00000
  I4 I 0.75000 0.87337 0.42383 1.00000
  Br1 Br 0.25000 0.12429 0.25705 1.00000
  Br2 Br 0.25000 0.62429 0.24295 1.00000
  Br3 Br 0.25000 0.11813 0.91445 1.00000
  Br4 Br 0.25000 0.61813 0.58555 1.00000
  Br5 Br 0.75000 0.38187 0.41445 1.00000
  Br6 Br 0.75000 0.88187 0.08555 1.00000
  Br7 Br 0.75000 0.37571 0.75705 1.00000
  Br8 Br 0.75000 0.87571 0.74295 1.00000
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