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Ce(GeSe2)2

Alexandria ALEX

Alex-ID: agm003451271 · Space group: I4/m (#87)

Basic Information

Formula
Ce(GeSe2)2
Alex-ID
agm003451271
Elements
3
Sites
7
Space group
I4/m (#87)
Crystal system
tetragonal
Volume
203.26
ų
Cell a
6.4409
Å
Cell b
6.4409
Å
Cell c
6.4409
Å
α angle
106.01
°
β angle
106.01
°
γ angle
116.63
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ce(GeSe2)2
Ce
1.00 · 14.3%
Ge
2.00 · 28.6%
Se
4.00 · 57.1%

Energy & Stability

Energy above hull
0.3365
eV/atom
Formation energy
-0.5141
eV/atom
Corrected total energy
-32.7295
eV
Raw total energy
-32.7295
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0030
eV
DOS at Fermi level
7.8751
Total magnetisation
0.8241
μB

Additional Information

Prototype ID

AB2C4_31_spg87

Decomposition

GeSe CeSe2

Computed at

2022-02-17 15:01:06.933353

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: agm003451271).

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 agm003451271
data_agm003451271
_cell_length_a     6.44093
_cell_length_b     6.44093
_cell_length_c     6.44093
_cell_angle_alpha  106.01393
_cell_angle_beta   106.01393
_cell_angle_gamma  116.63197
_cell_volume       203.25624
_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
  Ce1 Ce 0.50000 0.50000 0.00000 1.00000
  Ge1 Ge 0.25000 0.75000 0.50000 1.00000
  Ge2 Ge 0.75000 0.25000 0.50000 1.00000
  Se1 Se 0.30544 0.17735 0.48279 1.00000
  Se2 Se 0.82265 0.30544 0.12810 1.00000
  Se3 Se 0.17735 0.69456 0.87190 1.00000
  Se4 Se 0.69456 0.82265 0.51721 1.00000
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