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Cs2Ge2Se5

Alexandria ALEX

Alex-ID: agm012244366 · Space group: C2/c (#15)

Basic Information

Formula
Cs2Ge2Se5
Alex-ID
agm012244366
Elements
3
Sites
36
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
1,458.23
ų
Cell a
12.2089
Å
Cell b
12.2089
Å
Cell c
9.8783
Å
α angle
84.37
°
β angle
84.37
°
γ angle
89.87
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2Ge2Se5
Cs
8.00 · 22.2%
Ge
8.00 · 22.2%
Se
20.00 · 55.6%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.7346
eV/atom
Corrected total energy
-140.0489
eV
Raw total energy
-140.0489
eV

Electronic Structure

Indirect band gap
1.7267
eV
Direct band gap
1.7269
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C5_64_spg15

Decomposition

Cs2Ge2Se5

Computed at

2024-11-02 01:14:28.935628

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: agm012244366).

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 agm012244366
data_agm012244366
_cell_length_a     12.20888
_cell_length_b     12.20888
_cell_length_c     9.87833
_cell_angle_alpha  84.37236
_cell_angle_beta   84.37236
_cell_angle_gamma  89.87079
_cell_volume       1458.23238
_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 0.46960 0.21238 0.37450 1.00000
  Cs2 Cs 0.78762 0.53040 0.12550 1.00000
  Cs3 Cs 0.53040 0.78762 0.62550 1.00000
  Cs4 Cs 0.21238 0.46960 0.87450 1.00000
  Cs5 Cs 0.78576 0.95754 0.10084 1.00000
  Cs6 Cs 0.04246 0.21424 0.39916 1.00000
  Cs7 Cs 0.21424 0.04246 0.89916 1.00000
  Cs8 Cs 0.95754 0.78576 0.60084 1.00000
  Ge1 Ge 0.55020 0.26474 0.88527 1.00000
  Ge2 Ge 0.73526 0.44980 0.61473 1.00000
  Ge3 Ge 0.44980 0.73526 0.11473 1.00000
  Ge4 Ge 0.26474 0.55020 0.38527 1.00000
  Ge5 Ge 0.26387 0.87165 0.39127 1.00000
  Ge6 Ge 0.12835 0.73613 0.10873 1.00000
  Ge7 Ge 0.73613 0.12835 0.60873 1.00000
  Ge8 Ge 0.87165 0.26387 0.89127 1.00000
  Se1 Se 0.56168 0.11175 0.74516 1.00000
  Se2 Se 0.88825 0.43832 0.75484 1.00000
  Se3 Se 0.43832 0.88825 0.25484 1.00000
  Se4 Se 0.11175 0.56168 0.24516 1.00000
  Se5 Se 0.30214 0.75049 0.96534 1.00000
  Se6 Se 0.24951 0.69786 0.53466 1.00000
  Se7 Se 0.69786 0.24951 0.03466 1.00000
  Se8 Se 0.75049 0.30214 0.46534 1.00000
  Se9 Se 0.38617 0.25002 0.01965 1.00000
  Se10 Se 0.74998 0.61383 0.48035 1.00000
  Se11 Se 0.61383 0.74998 0.98035 1.00000
  Se12 Se 0.25002 0.38617 0.51965 1.00000
  Se13 Se 0.75251 0.98946 0.46769 1.00000
  Se14 Se 0.01054 0.24749 0.03231 1.00000
  Se15 Se 0.24749 0.01054 0.53231 1.00000
  Se16 Se 0.98946 0.75251 0.96769 1.00000
  Se17 Se 0.88827 0.11173 0.75000 1.00000
  Se18 Se 0.11173 0.88827 0.25000 1.00000
  Se19 Se 0.56008 0.43992 0.75000 1.00000
  Se20 Se 0.43992 0.56008 0.25000 1.00000
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