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YH2Se

Alexandria ALEX

Alex-ID: agm002071901 · Space group: Pm (#6)

Basic Information

Formula
YH2Se
Alex-ID
agm002071901
Elements
3
Sites
8
Space group
Pm (#6)
Crystal system
monoclinic
Volume
134.49
ų
Cell a
4.0474
Å
Cell b
6.2590
Å
Cell c
5.6606
Å
α angle
69.70
°
β angle
90.00
°
γ angle
89.93
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
YH2Se
Y
2.00 · 25.0%
H
4.00 · 50.0%
Se
2.00 · 25.0%

Energy & Stability

Energy above hull
0.1301
eV/atom
Formation energy
-0.9863
eV/atom
Corrected total energy
-40.7564
eV
Raw total energy
-40.7564
eV

Electronic Structure

Indirect band gap
1.9876
eV
Direct band gap
2.3439
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_5047_spg6

Decomposition

YHSe H2

Computed at

2023-03-28 17:00:58.938988

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: agm002071901).

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 agm002071901
data_agm002071901
_cell_length_a     4.04738
_cell_length_b     6.25896
_cell_length_c     5.66064
_cell_angle_alpha  69.69707
_cell_angle_beta   89.99719
_cell_angle_gamma  89.92508
_cell_volume       134.48850
_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
  Y1 Y 0.64518 0.00500 0.99183 1.00000
  Y2 Y 0.14583 0.45720 0.32208 1.00000
  H1 H 0.64552 0.63730 0.22979 1.00000
  H2 H 0.14542 0.81645 0.04308 1.00000
  H3 H 0.14826 0.70605 0.53888 1.00000
  H4 H 0.14827 0.79500 0.40283 1.00000
  Se1 Se 0.14478 0.35084 0.86870 1.00000
  Se2 Se 0.64636 0.10174 0.46054 1.00000
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