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Cu2Ag2Se3

Alexandria ALEX

Alex-ID: agm005559986 · Space group: C2/c (#15)

Basic Information

Formula
Cu2Ag2Se3
Alex-ID
agm005559986
Elements
3
Sites
28
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
609.77
ų
Cell a
6.8880
Å
Cell b
10.6506
Å
Cell c
10.6506
Å
α angle
73.05
°
β angle
62.31
°
γ angle
62.31
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cu2Ag2Se3
Cu
8.00 · 28.6%
Ag
8.00 · 28.6%
Se
12.00 · 42.9%

Energy & Stability

Energy above hull
0.0624
eV/atom
Formation energy
-0.0336
eV/atom
Corrected total energy
-98.9182
eV
Raw total energy
-98.9181
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0109
eV
DOS at Fermi level
23.6918
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3_591_spg15

Decomposition

Ag2Se CuSe

Computed at

2023-06-06 22:31:43.660883

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: agm005559986).

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 agm005559986
data_agm005559986
_cell_length_a     6.88798
_cell_length_b     10.65064
_cell_length_c     10.65064
_cell_angle_alpha  73.05212
_cell_angle_beta   62.30915
_cell_angle_gamma  62.30915
_cell_volume       609.76652
_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
  Cu1 Cu 0.58198 0.38087 0.21568 1.00000
  Cu2 Cu 0.59087 0.07279 0.53981 1.00000
  Cu3 Cu 0.08198 0.21568 0.38087 1.00000
  Cu4 Cu 0.09087 0.53981 0.07279 1.00000
  Cu5 Cu 0.90913 0.46019 0.92721 1.00000
  Cu6 Cu 0.91802 0.78432 0.61913 1.00000
  Cu7 Cu 0.40913 0.92721 0.46019 1.00000
  Cu8 Cu 0.41802 0.61913 0.78432 1.00000
  Ag1 Ag 0.90577 0.10238 0.25177 1.00000
  Ag2 Ag 0.40577 0.25177 0.10238 1.00000
  Ag3 Ag 0.75000 0.16484 0.83516 1.00000
  Ag4 Ag 0.75000 0.67178 0.32822 1.00000
  Ag5 Ag 0.25000 0.32822 0.67178 1.00000
  Ag6 Ag 0.25000 0.83516 0.16484 1.00000
  Ag7 Ag 0.59423 0.74823 0.89762 1.00000
  Ag8 Ag 0.09423 0.89762 0.74823 1.00000
  Se1 Se 0.65632 0.29867 0.43665 1.00000
  Se2 Se 0.66017 0.59552 0.14281 1.00000
  Se3 Se 0.15632 0.43665 0.29867 1.00000
  Se4 Se 0.16017 0.14281 0.59552 1.00000
  Se5 Se 0.86612 0.23353 0.00922 1.00000
  Se6 Se 0.13388 0.76647 0.99078 1.00000
  Se7 Se 0.83983 0.85719 0.40448 1.00000
  Se8 Se 0.84368 0.56335 0.70133 1.00000
  Se9 Se 0.36612 0.00922 0.23353 1.00000
  Se10 Se 0.33983 0.40448 0.85719 1.00000
  Se11 Se 0.34368 0.70133 0.56335 1.00000
  Se12 Se 0.63388 0.99078 0.76647 1.00000
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