Navigation

HEAS Data Platform · Materials Science Database

K2Si2Hg3S8

Alexandria ALEX

Alex-ID: agm009182907 · Space group: Aea2 (#41)

Basic Information

Formula
K2Si2Hg3S8
Alex-ID
agm009182907
Elements
4
Sites
30
Space group
Aea2 (#41)
Crystal system
orthorhombic
Volume
803.63
ų
Cell a
6.4563
Å
Cell b
6.4563
Å
Cell c
19.4310
Å
α angle
90.00
°
β angle
90.00
°
γ angle
97.16
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Si2Hg3S8
K
4.00 · 13.3%
Si
4.00 · 13.3%
Hg
6.00 · 20.0%
S
16.00 · 53.3%

Energy & Stability

Energy above hull
0.0018
eV/atom
Formation energy
-1.0087
eV/atom
Corrected total energy
-124.5652
eV
Raw total energy
-113.9498
eV

Electronic Structure

Indirect band gap
1.7178
eV
Direct band gap
2.1336
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3D8_12_spg41

Decomposition

K2Si2Hg3S8

Computed at

2024-12-06 07:01:00

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: agm009182907).

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 agm009182907
data_agm009182907
_cell_length_a     6.45626
_cell_length_b     6.45626
_cell_length_c     19.43100
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  97.16288
_cell_volume       803.62593
_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 0.84580 0.45380 0.11445 1.00000
  K2 K 0.45380 0.84580 0.88555 1.00000
  K3 K 0.34580 0.95380 0.38555 1.00000
  K4 K 0.95380 0.34580 0.61445 1.00000
  Si1 Si 0.37000 0.95528 0.13703 1.00000
  Si2 Si 0.95528 0.37000 0.86297 1.00000
  Si3 Si 0.87000 0.45528 0.36297 1.00000
  Si4 Si 0.45528 0.87000 0.63703 1.00000
  Hg1 Hg 0.30230 0.39860 0.24570 1.00000
  Hg2 Hg 0.39860 0.30230 0.75430 1.00000
  Hg3 Hg 0.80230 0.89860 0.25430 1.00000
  Hg4 Hg 0.89860 0.80230 0.74570 1.00000
  Hg5 Hg 0.02381 0.02381 0.00000 1.00000
  Hg6 Hg 0.52381 0.52381 0.50000 1.00000
  S1 S 0.19650 0.41360 0.36783 1.00000
  S2 S 0.41360 0.19650 0.63217 1.00000
  S3 S 0.69650 0.91360 0.13217 1.00000
  S4 S 0.91360 0.69650 0.86783 1.00000
  S5 S 0.32126 0.27782 0.12553 1.00000
  S6 S 0.27782 0.32126 0.87447 1.00000
  S7 S 0.82126 0.77782 0.37447 1.00000
  S8 S 0.77782 0.82126 0.62553 1.00000
  S9 S 0.25424 0.79438 0.04333 1.00000
  S10 S 0.79438 0.25424 0.95667 1.00000
  S11 S 0.75424 0.29438 0.45667 1.00000
  S12 S 0.29438 0.75424 0.54333 1.00000
  S13 S 0.22998 0.82017 0.22677 1.00000
  S14 S 0.82017 0.22998 0.77323 1.00000
  S15 S 0.32017 0.72998 0.72677 1.00000
  S16 S 0.72998 0.32017 0.27323 1.00000
Get direct link