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Cs2Se

Alexandria ALEX

Alex-ID: agm003211523 · Space group: Pnma (#62)

Basic Information

Formula
Cs2Se
Alex-ID
agm003211523
Elements
2
Sites
12
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
555.16
ų
Cell a
5.5904
Å
Cell b
9.0956
Å
Cell c
10.9180
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2Se
Cs
8.00 · 66.7%
Se
4.00 · 33.3%

Energy & Stability

Energy above hull
0.0204
eV/atom
Formation energy
-1.0544
eV/atom
Corrected total energy
-33.4665
eV
Raw total energy
-33.4665
eV

Electronic Structure

Indirect band gap
1.8506
eV
Direct band gap
1.8506
eV
DOS at Fermi level
0.0000
Total magnetisation
-0.0006
μB

Additional Information

Prototype ID

AB2_2305_spg62

Decomposition

Cs2Se

Computed at

2021-12-04 13:35:23.243187

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: agm003211523).

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 agm003211523
data_agm003211523
_cell_length_a     5.59042
_cell_length_b     9.09558
_cell_length_c     10.91796
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       555.15774
_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
  Cs1 Cs 0.25000 0.02279 0.83040 1.00000
  Cs2 Cs 0.25000 0.52279 0.66960 1.00000
  Cs3 Cs 0.75000 0.97721 0.16960 1.00000
  Cs4 Cs 0.75000 0.47721 0.33040 1.00000
  Cs5 Cs 0.25000 0.14482 0.42524 1.00000
  Cs6 Cs 0.25000 0.64482 0.07476 1.00000
  Cs7 Cs 0.75000 0.85518 0.57476 1.00000
  Cs8 Cs 0.75000 0.35518 0.92524 1.00000
  Se1 Se 0.25000 0.24613 0.10994 1.00000
  Se2 Se 0.25000 0.74613 0.39006 1.00000
  Se3 Se 0.75000 0.75387 0.89006 1.00000
  Se4 Se 0.75000 0.25387 0.60994 1.00000
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