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H2Se

Alexandria ALEX

Alex-ID: agm070901718 · Space group: P4_332 (#212)

Basic Information

Formula
H2Se
Alex-ID
agm070901718
Elements
2
Sites
12
Space group
P4_332 (#212)
Crystal system
cubic
Volume
131.22
ų
Cell a
5.0816
Å
Cell b
5.0816
Å
Cell c
5.0816
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
H2Se
H
8.00 · 66.7%
Se
4.00 · 33.3%

Energy & Stability

Energy above hull
0.8693
eV/atom
Formation energy
0.7792
eV/atom
Corrected total energy
-30.5299
eV
Raw total energy
-30.5299
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0357
eV
DOS at Fermi level
3.3374
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_3283_spg19

Decomposition

H2Se

Computed at

2024-08-07 18:52:21.714689

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: agm070901718).

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 agm070901718
data_agm070901718
_cell_length_a     5.08160
_cell_length_b     5.08160
_cell_length_c     5.08160
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       131.22071
_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
  H1 H 0.52152 0.52152 0.52152 1.00000
  H2 H 0.97848 0.47848 0.02152 1.00000
  H3 H 0.47848 0.02152 0.97848 1.00000
  H4 H 0.02152 0.97848 0.47848 1.00000
  H5 H 0.77152 0.27152 0.22848 1.00000
  H6 H 0.72848 0.72848 0.72848 1.00000
  H7 H 0.27152 0.22848 0.77152 1.00000
  H8 H 0.22848 0.77152 0.27152 1.00000
  Se1 Se 0.12500 0.12500 0.12500 1.00000
  Se2 Se 0.37500 0.87500 0.62500 1.00000
  Se3 Se 0.87500 0.62500 0.37500 1.00000
  Se4 Se 0.62500 0.37500 0.87500 1.00000
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