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Si2H6Se

Alexandria ALEX

Alex-ID: agm071284049 · Space group: P1 (#1)

Basic Information

Formula
Si2H6Se
Alex-ID
agm071284049
Elements
3
Sites
36
Space group
P1 (#1)
Crystal system
triclinic
Volume
549.04
ų
Cell a
7.0943
Å
Cell b
8.7456
Å
Cell c
9.1699
Å
α angle
86.45
°
β angle
84.56
°
γ angle
75.97
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Si2H6Se
Si
8.00 · 22.2%
H
24.00 · 66.7%
Se
4.00 · 11.1%

Energy & Stability

Energy above hull
0.0065
eV/atom
Formation energy
-0.1553
eV/atom
Corrected total energy
-140.6899
eV
Raw total energy
-140.6898
eV

Electronic Structure

Indirect band gap
3.5726
eV
Direct band gap
3.6711
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C6_6090_spg1

Decomposition

Si2H6Se

Computed at

2024-10-27 00:57:10.028391

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: agm071284049).

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 agm071284049
data_agm071284049
_cell_length_a     7.09428
_cell_length_b     8.74563
_cell_length_c     9.16992
_cell_angle_alpha  86.45470
_cell_angle_beta   84.55980
_cell_angle_gamma  75.97019
_cell_volume       549.03551
_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 0.45262 0.22542 0.85975 1.00000
  Si2 Si 0.27864 0.31495 0.34028 1.00000
  Si3 Si 0.21342 0.72598 0.56338 1.00000
  Si4 Si 0.04909 0.85737 0.12421 1.00000
  Si5 Si 0.53600 0.77121 0.09808 1.00000
  Si6 Si 0.78214 0.63660 0.61659 1.00000
  Si7 Si 0.97358 0.32084 0.94387 1.00000
  Si8 Si 0.71576 0.14836 0.44366 1.00000
  H1 H 0.56818 0.11432 0.55999 1.00000
  H2 H 0.02181 0.47769 0.91709 1.00000
  H3 H 0.52667 0.94017 0.05599 1.00000
  H4 H 0.92949 0.48227 0.61796 1.00000
  H5 H 0.77616 0.32955 0.89559 1.00000
  H6 H 0.51940 0.75280 0.26118 1.00000
  H7 H 0.77166 0.01526 0.34170 1.00000
  H8 H 0.61564 0.63077 0.72690 1.00000
  H9 H 0.72371 0.66999 0.03622 1.00000
  H10 H 0.89038 0.17704 0.50540 1.00000
  H11 H 0.97659 0.27483 0.10286 1.00000
  H12 H 0.71332 0.67337 0.46691 1.00000
  H13 H 0.91224 0.95543 0.02237 1.00000
  H14 H 0.18379 0.69160 0.41097 1.00000
  H15 H 0.42779 0.27217 0.01538 1.00000
  H16 H 0.20532 0.30827 0.49778 1.00000
  H17 H 0.32922 0.84762 0.56016 1.00000
  H18 H 0.62799 0.09331 0.83529 1.00000
  H19 H 0.94003 0.76349 0.22661 1.00000
  H20 H 0.14393 0.43983 0.25700 1.00000
  H21 H 0.47105 0.36365 0.76037 1.00000
  H22 H 0.13502 0.95990 0.20939 1.00000
  H23 H 0.31169 0.57721 0.63998 1.00000
  H24 H 0.29716 0.15769 0.27772 1.00000
  Se1 Se 0.29855 0.68619 0.99644 1.00000
  Se2 Se 0.91738 0.83164 0.68611 1.00000
  Se3 Se 0.57525 0.37910 0.31949 1.00000
  Se4 Se 0.18934 0.13411 0.80735 1.00000
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