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K2AgHg6

Alexandria ALEX

Alex-ID: agm005779124 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
K2AgHg6
Alex-ID
agm005779124
Elements
3
Sites
18
Space group
R-3m (#166)
Crystal system
trigonal
Volume
537.33
ų
Cell a
7.8428
Å
Cell b
6.7349
Å
Cell c
10.3757
Å
α angle
90.00
°
β angle
78.65
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2AgHg6
K
4.00 · 22.2%
Ag
2.00 · 11.1%
Hg
12.00 · 66.7%

Energy & Stability

Energy above hull
0.0372
eV/atom
Formation energy
-0.1316
eV/atom
Corrected total energy
-16.8110
eV
Raw total energy
-16.8110
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.4886
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C6_729_spg225

Decomposition

K2Hg7 KHg2 Ag

Computed at

2023-07-08 06:20:18.985627

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: agm005779124).

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 agm005779124
data_agm005779124
_cell_length_a     7.84279
_cell_length_b     6.73488
_cell_length_c     10.37575
_cell_angle_alpha  90.00001
_cell_angle_beta   78.64732
_cell_angle_gamma  90.00000
_cell_volume       537.32685
_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 0.92621 0.50004 0.71338 1.00000
  K2 K 0.57379 0.00004 0.78662 1.00000
  K3 K 0.42621 0.99996 0.21338 1.00000
  K4 K 0.07379 0.49996 0.28662 1.00000
  Ag1 Ag 0.50000 0.50000 0.00000 1.00000
  Ag2 Ag 0.00000 0.00000 0.50000 1.00000
  Hg1 Hg 0.94556 0.99996 0.22883 1.00000
  Hg2 Hg 0.70170 0.75463 0.47450 1.00000
  Hg3 Hg 0.79825 0.74534 0.02554 1.00000
  Hg4 Hg 0.70175 0.24534 0.47446 1.00000
  Hg5 Hg 0.79830 0.25463 0.02550 1.00000
  Hg6 Hg 0.55444 0.49996 0.27117 1.00000
  Hg7 Hg 0.05444 0.00004 0.77117 1.00000
  Hg8 Hg 0.29830 0.24537 0.52550 1.00000
  Hg9 Hg 0.20175 0.25466 0.97446 1.00000
  Hg10 Hg 0.29825 0.75466 0.52554 1.00000
  Hg11 Hg 0.20170 0.74537 0.97450 1.00000
  Hg12 Hg 0.44556 0.50004 0.72883 1.00000
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