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HEAS Data Platform · Materials Science Database

K2BI5

Alexandria ALEX

Alex-ID: agm005995861 · Space group: P2_1/c (#14)

Basic Information

Formula
K2BI5
Alex-ID
agm005995861
Elements
3
Sites
32
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
1,470.82
ų
Cell a
10.3869
Å
Cell b
11.8892
Å
Cell c
13.5051
Å
α angle
90.00
°
β angle
118.13
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2BI5
K
8.00 · 25.0%
B
4.00 · 12.5%
I
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0326
eV/atom
Formation energy
-0.7309
eV/atom
Corrected total energy
-89.9175
eV
Raw total energy
-89.9175
eV

Electronic Structure

Indirect band gap
2.7396
eV
Direct band gap
2.7396
eV
DOS at Fermi level
0.0000
Total magnetisation
0.2687
μB

Additional Information

Prototype ID

AB2C5_1563_spg14

Decomposition

KBI4 KI

Computed at

2023-09-07 14:04:02

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: agm005995861).

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 agm005995861
data_agm005995861
_cell_length_a     10.38688
_cell_length_b     11.88919
_cell_length_c     13.50507
_cell_angle_alpha  90.00000
_cell_angle_beta   118.12643
_cell_angle_gamma  90.00001
_cell_volume       1470.81606
_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 0.68916 0.88102 0.99398 1.00000
  K2 K 0.18916 0.61898 0.99398 1.00000
  K3 K 0.55618 0.76893 0.39597 1.00000
  K4 K 0.05618 0.73107 0.39597 1.00000
  K5 K 0.94382 0.26893 0.60403 1.00000
  K6 K 0.44382 0.23107 0.60403 1.00000
  K7 K 0.81084 0.38102 0.00602 1.00000
  K8 K 0.31084 0.11898 0.00602 1.00000
  B1 B 0.54808 0.41206 0.29599 1.00000
  B2 B 0.04808 0.08794 0.29599 1.00000
  B3 B 0.95192 0.91206 0.70401 1.00000
  B4 B 0.45192 0.58794 0.70401 1.00000
  I1 I 0.02260 0.11276 0.12302 1.00000
  I2 I 0.95619 0.65429 0.12355 1.00000
  I3 I 0.52260 0.38724 0.12302 1.00000
  I4 I 0.45619 0.84571 0.12355 1.00000
  I5 I 0.85487 0.99182 0.28557 1.00000
  I6 I 0.06143 0.25801 0.37541 1.00000
  I7 I 0.35487 0.50818 0.28557 1.00000
  I8 I 0.75897 0.50734 0.40446 1.00000
  I9 I 0.56143 0.24199 0.37541 1.00000
  I10 I 0.25897 0.99266 0.40446 1.00000
  I11 I 0.74103 0.00734 0.59554 1.00000
  I12 I 0.43857 0.75801 0.62459 1.00000
  I13 I 0.24103 0.49266 0.59554 1.00000
  I14 I 0.64513 0.49182 0.71443 1.00000
  I15 I 0.93857 0.74199 0.62459 1.00000
  I16 I 0.14513 0.00818 0.71443 1.00000
  I17 I 0.54381 0.15429 0.87645 1.00000
  I18 I 0.47740 0.61276 0.87698 1.00000
  I19 I 0.04381 0.34571 0.87645 1.00000
  I20 I 0.97740 0.88724 0.87698 1.00000
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