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K18Hg

Alexandria ALEX

Alex-ID: agm066437243 · Space group: R-3m (#166)

Basic Information

Formula
K18Hg
Alex-ID
agm066437243
Elements
2
Sites
19
Space group
R-3m (#166)
Crystal system
trigonal
Volume
1,313.72
ų
Cell a
11.1824
Å
Cell b
11.1824
Å
Cell c
11.1400
Å
α angle
78.08
°
β angle
101.92
°
γ angle
101.96
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K18Hg
K
18.00 · 94.7%
Hg
1.00 · 5.3%

Energy & Stability

Energy above hull
0.0151
eV/atom
Formation energy
-0.0107
eV/atom
Corrected total energy
-20.4034
eV
Raw total energy
-20.4034
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0061
eV
DOS at Fermi level
13.9958
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB18_9_spg160

Decomposition

K3Hg K

Computed at

2025-02-02 06:48:09

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: agm066437243).

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 agm066437243
data_agm066437243
_cell_length_a     11.18244
_cell_length_b     11.18244
_cell_length_c     11.13998
_cell_angle_alpha  78.07705
_cell_angle_beta   101.92295
_cell_angle_gamma  101.96003
_cell_volume       1313.71631
_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 0.14329 0.20360 0.20398 1.00000
  K2 K 0.20328 0.79672 0.14240 1.00000
  K3 K 0.20360 0.14329 0.79602 1.00000
  K4 K 0.85671 0.79640 0.79602 1.00000
  K5 K 0.79672 0.20328 0.85760 1.00000
  K6 K 0.79640 0.85671 0.20398 1.00000
  K7 K 0.80559 0.52541 0.52622 1.00000
  K8 K 0.47425 0.52575 0.19499 1.00000
  K9 K 0.47459 0.19441 0.52622 1.00000
  K10 K 0.19441 0.47459 0.47378 1.00000
  K11 K 0.52575 0.47425 0.80501 1.00000
  K12 K 0.52541 0.80559 0.47378 1.00000
  K13 K 0.86187 0.13813 0.47585 1.00000
  K14 K 0.47597 0.86170 0.86219 1.00000
  K15 K 0.13830 0.52403 0.86219 1.00000
  K16 K 0.13813 0.86187 0.52415 1.00000
  K17 K 0.52403 0.13830 0.13781 1.00000
  K18 K 0.86170 0.47597 0.13781 1.00000
  Hg1 Hg 0.00000 0.00000 0.00000 1.00000
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