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K2La6CoI12

Alexandria ALEX

Alex-ID: agm020263288 · Space group: P2_1/c (#14)

Basic Information

Formula
K2La6CoI12
Alex-ID
agm020263288
Elements
4
Sites
42
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
1,878.87
ų
Cell a
9.9017
Å
Cell b
19.5704
Å
Cell c
10.1817
Å
α angle
90.00
°
β angle
107.77
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2La6CoI12
K
4.00 · 9.5%
La
12.00 · 28.6%
Co
2.00 · 4.8%
I
24.00 · 57.1%

Energy & Stability

Energy above hull
0.0055
eV/atom
Formation energy
-1.3229
eV/atom
Corrected total energy
-170.5517
eV
Raw total energy
-170.5517
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0303
eV
DOS at Fermi level
9.0776
Total magnetisation
1.1677
μB

Additional Information

Prototype ID

AB2C6D12_20_spg14

Decomposition

LaI2 K2LaI5 KI La10Co2I15

Computed at

2025-03-02 20:03:33.356782

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: agm020263288).

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 agm020263288
data_agm020263288
_cell_length_a     9.90166
_cell_length_b     19.57043
_cell_length_c     10.18170
_cell_angle_alpha  90.00000
_cell_angle_beta   107.77040
_cell_angle_gamma  90.00000
_cell_volume       1878.86993
_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 0.10107 0.30188 0.44837 1.00000
  K2 K 0.39893 0.80188 0.55163 1.00000
  K3 K 0.89893 0.69812 0.55163 1.00000
  K4 K 0.60107 0.19812 0.44837 1.00000
  La1 La 0.25139 0.45572 0.00946 1.00000
  La2 La 0.39672 0.64112 0.98149 1.00000
  La3 La 0.74861 0.54428 0.99054 1.00000
  La4 La 0.09759 0.98780 0.29959 1.00000
  La5 La 0.59759 0.51220 0.29959 1.00000
  La6 La 0.89672 0.85888 0.98149 1.00000
  La7 La 0.75139 0.04428 0.00946 1.00000
  La8 La 0.10328 0.14112 0.01851 1.00000
  La9 La 0.24861 0.95572 0.99054 1.00000
  La10 La 0.90241 0.01220 0.70041 1.00000
  La11 La 0.40241 0.48780 0.70041 1.00000
  La12 La 0.60328 0.35888 0.01851 1.00000
  Co1 Co 0.50000 0.50000 0.00000 1.00000
  Co2 Co 0.00000 0.00000 0.00000 1.00000
  I1 I 0.59382 0.06781 0.68275 1.00000
  I2 I 0.82039 0.20761 0.07297 1.00000
  I3 I 0.98762 0.17542 0.69004 1.00000
  I4 I 0.67961 0.70761 0.92703 1.00000
  I5 I 0.09382 0.43219 0.68275 1.00000
  I6 I 0.69782 0.53740 0.65071 1.00000
  I7 I 0.30218 0.46260 0.34929 1.00000
  I8 I 0.42075 0.09928 0.01855 1.00000
  I9 I 0.90618 0.56781 0.31725 1.00000
  I10 I 0.77055 0.85567 0.64288 1.00000
  I11 I 0.72945 0.35567 0.35712 1.00000
  I12 I 0.51238 0.67542 0.30996 1.00000
  I13 I 0.07925 0.59928 0.98145 1.00000
  I14 I 0.80218 0.03740 0.34929 1.00000
  I15 I 0.17961 0.79239 0.92703 1.00000
  I16 I 0.32039 0.29239 0.07297 1.00000
  I17 I 0.57925 0.90072 0.98145 1.00000
  I18 I 0.92075 0.40072 0.01855 1.00000
  I19 I 0.40618 0.93219 0.31725 1.00000
  I20 I 0.27055 0.64433 0.64288 1.00000
  I21 I 0.22945 0.14433 0.35712 1.00000
  I22 I 0.01238 0.82458 0.30996 1.00000
  I23 I 0.19782 0.96260 0.65071 1.00000
  I24 I 0.48762 0.32458 0.69004 1.00000
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