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K3IBr2

Alexandria ALEX

Alex-ID: agm032931802 · Space group: Fddd (#70)

Basic Information

Formula
K3IBr2
Alex-ID
agm032931802
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
965.62
ų
Cell a
16.0328
Å
Cell b
15.2868
Å
Cell c
8.4024
Å
α angle
79.40
°
β angle
69.59
°
γ angle
31.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3IBr2
K
12.00 · 50.0%
I
4.00 · 16.7%
Br
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0074
eV/atom
Formation energy
-1.6520
eV/atom
Corrected total energy
-72.4585
eV
Raw total energy
-72.4585
eV

Electronic Structure

Indirect band gap
3.9628
eV
Direct band gap
3.9628
eV
DOS at Fermi level
0.0000
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

KI KBr

Computed at

2025-01-21 00:44:30

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: agm032931802).

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 agm032931802
data_agm032931802
_cell_length_a     16.03276
_cell_length_b     15.28682
_cell_length_c     8.40244
_cell_angle_alpha  79.40395
_cell_angle_beta   69.58903
_cell_angle_gamma  31.00701
_cell_volume       965.62267
_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 0.67005 0.16883 0.81703 1.00000
  K2 K 0.16883 0.67005 0.34409 1.00000
  K3 K 0.57995 0.08117 0.43297 1.00000
  K4 K 0.08117 0.57995 0.90591 1.00000
  K5 K 0.51205 0.98795 0.98795 1.00000
  K6 K 0.98795 0.51205 0.51205 1.00000
  K7 K 0.90591 0.43297 0.08117 1.00000
  K8 K 0.43297 0.90591 0.57995 1.00000
  K9 K 0.34409 0.81703 0.16883 1.00000
  K10 K 0.81703 0.34409 0.67005 1.00000
  K11 K 0.73795 0.26205 0.26205 1.00000
  K12 K 0.26205 0.73795 0.73795 1.00000
  I1 I 0.91634 0.91634 0.08366 1.00000
  I2 I 0.33366 0.33366 0.16634 1.00000
  I3 I 0.16634 0.16634 0.33366 1.00000
  I4 I 0.08366 0.08366 0.91634 1.00000
  Br1 Br 0.00090 0.00090 0.49910 1.00000
  Br2 Br 0.41631 0.41631 0.58369 1.00000
  Br3 Br 0.83369 0.83369 0.66631 1.00000
  Br4 Br 0.24910 0.24910 0.75090 1.00000
  Br5 Br 0.75090 0.75090 0.24910 1.00000
  Br6 Br 0.66631 0.66631 0.83369 1.00000
  Br7 Br 0.58369 0.58369 0.41631 1.00000
  Br8 Br 0.49910 0.49910 0.00090 1.00000
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