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KSi2Ir3

Alexandria ALEX

Alex-ID: agm034183702 · Space group: P6/mmm (#191)

Basic Information

Formula
KSi2Ir3
Alex-ID
agm034183702
Elements
3
Sites
6
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
103.43
ų
Cell a
5.7831
Å
Cell b
5.7831
Å
Cell c
3.5711
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KSi2Ir3
K
1.00 · 16.7%
Si
2.00 · 33.3%
Ir
3.00 · 50.0%

Energy & Stability

Energy above hull
0.2136
eV/atom
Formation energy
-0.3044
eV/atom
Corrected total energy
-40.3577
eV
Raw total energy
-40.3577
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.7280
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_130_spg191

Decomposition

Si2Ir3 K

Computed at

2024-09-13 13:59:15.152826

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: agm034183702).

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 agm034183702
data_agm034183702
_cell_length_a     5.78307
_cell_length_b     5.78307
_cell_length_c     3.57106
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       103.42937
_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 0.00000 0.00000 0.00000 1.00000
  Si1 Si 0.33333 0.66667 0.00000 1.00000
  Si2 Si 0.66667 0.33333 0.00000 1.00000
  Ir1 Ir 0.50000 0.00000 0.50000 1.00000
  Ir2 Ir 0.00000 0.50000 0.50000 1.00000
  Ir3 Ir 0.50000 0.50000 0.50000 1.00000
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