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KNa2Au

Alexandria ALEX

Alex-ID: agm005691856 · Space group: Pnma (#62)

Basic Information

Formula
KNa2Au
Alex-ID
agm005691856
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,065.70
ų
Cell a
6.5041
Å
Cell b
9.0985
Å
Cell c
18.0085
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KNa2Au
K
8.00 · 25.0%
Na
16.00 · 50.0%
Au
8.00 · 25.0%

Energy & Stability

Energy above hull
0.0091
eV/atom
Formation energy
-0.2025
eV/atom
Corrected total energy
-62.6214
eV
Raw total energy
-62.6214
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0688
eV
DOS at Fermi level
9.8261
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_547_spg62

Decomposition

Na2Au K

Computed at

2023-07-12 08:16:58.668853

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: agm005691856).

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 agm005691856
data_agm005691856
_cell_length_a     6.50410
_cell_length_b     9.09851
_cell_length_c     18.00854
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1065.70226
_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 0.46510 0.25000 0.13571 1.00000
  K2 K 0.96510 0.75000 0.36429 1.00000
  K3 K 0.53490 0.75000 0.86429 1.00000
  K4 K 0.03490 0.25000 0.63571 1.00000
  K5 K 0.77003 0.25000 0.39312 1.00000
  K6 K 0.27003 0.75000 0.10688 1.00000
  K7 K 0.22997 0.75000 0.60688 1.00000
  K8 K 0.72997 0.25000 0.89312 1.00000
  Na1 Na 0.97833 0.05731 0.21091 1.00000
  Na2 Na 0.47833 0.94269 0.28909 1.00000
  Na3 Na 0.02167 0.55731 0.78909 1.00000
  Na4 Na 0.52167 0.44269 0.71091 1.00000
  Na5 Na 0.02167 0.94269 0.78909 1.00000
  Na6 Na 0.52167 0.05731 0.71091 1.00000
  Na7 Na 0.97833 0.44269 0.21091 1.00000
  Na8 Na 0.47833 0.55731 0.28909 1.00000
  Na9 Na 0.78388 0.55950 0.04442 1.00000
  Na10 Na 0.28388 0.44050 0.45558 1.00000
  Na11 Na 0.21612 0.05950 0.95558 1.00000
  Na12 Na 0.71612 0.94050 0.54442 1.00000
  Na13 Na 0.21612 0.44050 0.95558 1.00000
  Na14 Na 0.71612 0.55950 0.54442 1.00000
  Na15 Na 0.78388 0.94050 0.04442 1.00000
  Na16 Na 0.28388 0.05950 0.45558 1.00000
  Au1 Au 0.26067 0.25000 0.31239 1.00000
  Au2 Au 0.76067 0.75000 0.18761 1.00000
  Au3 Au 0.73933 0.75000 0.68761 1.00000
  Au4 Au 0.23933 0.25000 0.81239 1.00000
  Au5 Au 0.97046 0.25000 0.06812 1.00000
  Au6 Au 0.47046 0.75000 0.43188 1.00000
  Au7 Au 0.02954 0.75000 0.93188 1.00000
  Au8 Au 0.52954 0.25000 0.56812 1.00000
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