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KHg3

Alexandria ALEX

Alex-ID: agm003296407 · Space group: Cmcm (#63)

Basic Information

Formula
KHg3
Alex-ID
agm003296407
Elements
2
Sites
8
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
248.91
ų
Cell a
5.3234
Å
Cell b
6.4501
Å
Cell c
7.9585
Å
α angle
90.00
°
β angle
90.00
°
γ angle
114.37
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KHg3
K
2.00 · 25.0%
Hg
6.00 · 75.0%

Energy & Stability

Energy above hull
0.0113
eV/atom
Formation energy
-0.1785
eV/atom
Corrected total energy
-5.7981
eV
Raw total energy
-5.7981
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.4204
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3_24_spg63

Decomposition

K2Hg7 KHg2

Computed at

2022-01-17 09:23:40.012414

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: agm003296407).

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 agm003296407
data_agm003296407
_cell_length_a     5.32337
_cell_length_b     6.45007
_cell_length_c     7.95851
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  114.37204
_cell_volume       248.91197
_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 0.58151 0.16301 0.25000 1.00000
  K2 K 0.41849 0.83699 0.75000 1.00000
  Hg1 Hg 0.71876 0.43752 0.75000 1.00000
  Hg2 Hg 0.28124 0.56248 0.25000 1.00000
  Hg3 Hg 0.12423 0.24847 0.55926 1.00000
  Hg4 Hg 0.87577 0.75153 0.44074 1.00000
  Hg5 Hg 0.12423 0.24847 0.94074 1.00000
  Hg6 Hg 0.87577 0.75153 0.05926 1.00000
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