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KLa2N7

Alexandria ALEX

Alex-ID: agm005259498 · Space group: Pnnm (#58)

Basic Information

Formula
KLa2N7
Alex-ID
agm005259498
Elements
3
Sites
40
Space group
Pnnm (#58)
Crystal system
orthorhombic
Volume
888.26
ų
Cell a
9.3990
Å
Cell b
7.5988
Å
Cell c
12.4370
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KLa2N7
K
4.00 · 10.0%
La
8.00 · 20.0%
N
28.00 · 70.0%

Energy & Stability

Energy above hull
0.4356
eV/atom
Formation energy
-0.4409
eV/atom
Corrected total energy
-284.1351
eV
Raw total energy
-284.1351
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1263
eV
DOS at Fermi level
17.6002
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C7_1885_spg58

Decomposition

LaN2 KN3

Computed at

2024-10-14 21:14:12

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: agm005259498).

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 agm005259498
data_agm005259498
_cell_length_a     9.39900
_cell_length_b     7.59878
_cell_length_c     12.43704
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       888.26447
_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 0.98596 0.77520 0.50000 1.00000
  K2 K 0.01404 0.22480 0.50000 1.00000
  K3 K 0.48596 0.72480 0.00000 1.00000
  K4 K 0.51404 0.27520 0.00000 1.00000
  La1 La 0.68566 0.18435 0.72333 1.00000
  La2 La 0.31434 0.81565 0.72333 1.00000
  La3 La 0.18566 0.31565 0.77667 1.00000
  La4 La 0.81434 0.68435 0.77667 1.00000
  La5 La 0.31434 0.81565 0.27667 1.00000
  La6 La 0.68566 0.18435 0.27667 1.00000
  La7 La 0.81434 0.68435 0.22333 1.00000
  La8 La 0.18566 0.31565 0.22333 1.00000
  N1 N 0.50000 0.50000 0.75241 1.00000
  N2 N 0.00000 0.00000 0.74759 1.00000
  N3 N 0.50000 0.50000 0.24759 1.00000
  N4 N 0.00000 0.00000 0.25241 1.00000
  N5 N 0.92215 0.37984 0.68740 1.00000
  N6 N 0.07785 0.62016 0.68740 1.00000
  N7 N 0.42215 0.12016 0.81260 1.00000
  N8 N 0.57785 0.87984 0.81260 1.00000
  N9 N 0.07785 0.62016 0.31260 1.00000
  N10 N 0.92215 0.37984 0.31260 1.00000
  N11 N 0.57785 0.87984 0.18740 1.00000
  N12 N 0.42215 0.12016 0.18740 1.00000
  N13 N 0.41563 0.14039 0.71364 1.00000
  N14 N 0.58437 0.85961 0.71364 1.00000
  N15 N 0.91563 0.35961 0.78636 1.00000
  N16 N 0.08437 0.64039 0.78636 1.00000
  N17 N 0.58437 0.85961 0.28636 1.00000
  N18 N 0.41563 0.14039 0.28636 1.00000
  N19 N 0.08437 0.64039 0.21364 1.00000
  N20 N 0.91563 0.35961 0.21364 1.00000
  N21 N 0.37901 0.52551 0.80203 1.00000
  N22 N 0.62099 0.47449 0.80203 1.00000
  N23 N 0.87901 0.97449 0.69797 1.00000
  N24 N 0.12099 0.02551 0.69797 1.00000
  N25 N 0.62099 0.47449 0.19797 1.00000
  N26 N 0.37901 0.52551 0.19797 1.00000
  N27 N 0.12099 0.02551 0.30203 1.00000
  N28 N 0.87901 0.97449 0.30203 1.00000
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