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K3IrN2

Alexandria ALEX

Alex-ID: agm005677500 · Space group: P2_1/c (#14)

Basic Information

Formula
K3IrN2
Alex-ID
agm005677500
Elements
3
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
605.25
ų
Cell a
6.5432
Å
Cell b
9.7989
Å
Cell c
10.0377
Å
α angle
90.00
°
β angle
109.87
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3IrN2
K
12.00 · 50.0%
Ir
4.00 · 16.7%
N
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0640
eV/atom
Formation energy
-0.1802
eV/atom
Corrected total energy
-116.6144
eV
Raw total energy
-116.6144
eV

Electronic Structure

Indirect band gap
2.2497
eV
Direct band gap
2.2499
eV
DOS at Fermi level
0.0000
Total magnetisation
-0.0003
μB

Additional Information

Prototype ID

AB2C3_87_spg14

Decomposition

K5(IrN)3 K KN3

Computed at

2023-08-23 18:33:50.315209

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: agm005677500).

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 agm005677500
data_agm005677500
_cell_length_a     6.54317
_cell_length_b     9.79892
_cell_length_c     10.03771
_cell_angle_alpha  89.99999
_cell_angle_beta   109.87327
_cell_angle_gamma  90.00000
_cell_volume       605.25051
_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 0.26519 0.95327 0.01243 1.00000
  K2 K 0.23481 0.45327 0.48757 1.00000
  K3 K 0.73481 0.04673 0.98757 1.00000
  K4 K 0.76519 0.54673 0.51243 1.00000
  K5 K 0.37718 0.53370 0.14166 1.00000
  K6 K 0.12282 0.03370 0.35834 1.00000
  K7 K 0.62282 0.46630 0.85834 1.00000
  K8 K 0.87718 0.96630 0.64166 1.00000
  K9 K 0.93234 0.70106 0.18181 1.00000
  K10 K 0.56766 0.20106 0.31819 1.00000
  K11 K 0.06766 0.29894 0.81819 1.00000
  K12 K 0.43234 0.79894 0.68181 1.00000
  Ir1 Ir 0.53935 0.83159 0.33215 1.00000
  Ir2 Ir 0.96065 0.33159 0.16785 1.00000
  Ir3 Ir 0.46065 0.16841 0.66785 1.00000
  Ir4 Ir 0.03935 0.66841 0.83215 1.00000
  N1 N 0.69200 0.92525 0.24412 1.00000
  N2 N 0.80800 0.42525 0.25588 1.00000
  N3 N 0.30800 0.07475 0.75588 1.00000
  N4 N 0.19200 0.57475 0.74412 1.00000
  N5 N 0.38259 0.70641 0.38566 1.00000
  N6 N 0.11741 0.20641 0.11434 1.00000
  N7 N 0.61741 0.29359 0.61434 1.00000
  N8 N 0.88259 0.79359 0.88566 1.00000
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