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SiHgH6

Alexandria ALEX

Alex-ID: agm071065634 · Space group: P2_1 (#4)

Basic Information

Formula
SiHgH6
Alex-ID
agm071065634
Elements
3
Sites
32
Space group
P2_1 (#4)
Crystal system
monoclinic
Volume
412.09
ų
Cell a
7.0543
Å
Cell b
7.1591
Å
Cell c
8.1598
Å
α angle
90.00
°
β angle
89.99
°
γ angle
89.92
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SiHgH6
Si
4.00 · 12.5%
Hg
4.00 · 12.5%
H
24.00 · 75.0%

Energy & Stability

Energy above hull
0.2529
eV/atom
Formation energy
0.1651
eV/atom
Corrected total energy
-95.6056
eV
Raw total energy
-95.6056
eV

Electronic Structure

Indirect band gap
0.6059
eV
Direct band gap
0.9096
eV
DOS at Fermi level
-0.1698
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC6_2140_spg4

Decomposition

SiH20 Hg SiH4

Computed at

2025-06-15 11:31:02

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: agm071065634).

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 agm071065634
data_agm071065634
_cell_length_a     7.05434
_cell_length_b     7.15908
_cell_length_c     8.15985
_cell_angle_alpha  90.00123
_cell_angle_beta   89.99372
_cell_angle_gamma  89.91923
_cell_volume       412.09297
_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
  Si1 Si 0.63294 0.37643 0.31259 1.00000
  Si2 Si 0.12845 0.11689 0.56164 1.00000
  Si3 Si 0.86723 0.62360 0.81253 1.00000
  Si4 Si 0.37151 0.88319 0.06166 1.00000
  Hg1 Hg 0.13031 0.89249 0.81471 1.00000
  Hg2 Hg 0.63984 0.61730 0.06857 1.00000
  Hg3 Hg 0.36980 0.10756 0.31480 1.00000
  Hg4 Hg 0.86013 0.38264 0.56868 1.00000
  H1 H 0.92138 0.92272 0.30908 1.00000
  H2 H 0.30961 0.22501 0.67541 1.00000
  H3 H 0.57860 0.07736 0.80916 1.00000
  H4 H 0.19029 0.77497 0.17534 1.00000
  H5 H 0.91843 0.11259 0.06297 1.00000
  H6 H 0.43391 0.48280 0.40170 1.00000
  H7 H 0.06600 0.51679 0.90154 1.00000
  H8 H 0.58169 0.88747 0.56324 1.00000
  H9 H 0.13265 0.40374 0.20679 1.00000
  H10 H 0.36747 0.59631 0.70684 1.00000
  H11 H 0.18987 0.72287 0.45567 1.00000
  H12 H 0.35149 0.37436 0.95601 1.00000
  H13 H 0.85424 0.84093 0.31178 1.00000
  H14 H 0.23152 0.31232 0.65545 1.00000
  H15 H 0.26847 0.68771 0.15545 1.00000
  H16 H 0.64574 0.15916 0.81171 1.00000
  H17 H 0.14844 0.62584 0.45615 1.00000
  H18 H 0.31036 0.27720 0.95581 1.00000
  H19 H 0.46816 0.56096 0.71052 1.00000
  H20 H 0.03194 0.43899 0.21056 1.00000
  H21 H 0.66713 0.82429 0.55874 1.00000
  H22 H 0.97347 0.45373 0.93819 1.00000
  H23 H 0.83268 0.17539 0.05873 1.00000
  H24 H 0.52622 0.54639 0.43797 1.00000
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