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CsAgGeI4

Alexandria ALEX

Alex-ID: agm005048815 · Space group: P2_1/m (#11)

Basic Information

Formula
CsAgGeI4
Alex-ID
agm005048815
Elements
4
Sites
14
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
608.72
ų
Cell a
6.3697
Å
Cell b
8.4011
Å
Cell c
11.8796
Å
α angle
90.00
°
β angle
106.75
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CsAgGeI4
Cs
2.00 · 14.3%
Ag
2.00 · 14.3%
Ge
2.00 · 14.3%
I
8.00 · 57.1%

Energy & Stability

Energy above hull
0.0341
eV/atom
Formation energy
-0.6383
eV/atom
Corrected total energy
-37.9876
eV
Raw total energy
-37.9876
eV

Electronic Structure

Indirect band gap
1.6953
eV
Direct band gap
1.8008
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD4_524_spg11

Decomposition

AgI CsGeI3

Computed at

2022-07-31 21:38:56.406192

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: agm005048815).

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 agm005048815
data_agm005048815
_cell_length_a     6.36968
_cell_length_b     8.40110
_cell_length_c     11.87956
_cell_angle_alpha  90.00000
_cell_angle_beta   106.75296
_cell_angle_gamma  90.00000
_cell_volume       608.72109
_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 0.68363 0.75000 0.87300 1.00000
  Cs2 Cs 0.31637 0.25000 0.12700 1.00000
  Ag1 Ag 0.21817 0.75000 0.28390 1.00000
  Ag2 Ag 0.78183 0.25000 0.71610 1.00000
  Ge1 Ge 0.95212 0.75000 0.50948 1.00000
  Ge2 Ge 0.04788 0.25000 0.49052 1.00000
  I1 I 0.09426 0.50333 0.69228 1.00000
  I2 I 0.90574 0.00333 0.30772 1.00000
  I3 I 0.90574 0.49667 0.30772 1.00000
  I4 I 0.09426 0.99667 0.69228 1.00000
  I5 I 0.28441 0.75000 0.06604 1.00000
  I6 I 0.71559 0.25000 0.93396 1.00000
  I7 I 0.51879 0.75000 0.51293 1.00000
  I8 I 0.48121 0.25000 0.48707 1.00000
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