Navigation

HEAS Data Platform · Materials Science Database

Cs3YAg2I9

Alexandria ALEX

Alex-ID: agm004677483 · Space group: P-3m1 (#164)

Basic Information

Formula
Cs3YAg2I9
Alex-ID
agm004677483
Elements
4
Sites
15
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
657.58
ų
Cell a
8.4816
Å
Cell b
8.4816
Å
Cell c
10.5552
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs3YAg2I9
Cs
3.00 · 20.0%
Y
1.00 · 6.7%
Ag
2.00 · 13.3%
I
9.00 · 60.0%

Energy & Stability

Energy above hull
0.0534
eV/atom
Formation energy
-1.0388
eV/atom
Corrected total energy
-44.2674
eV
Raw total energy
-44.2674
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.3657
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D9_95_spg164

Decomposition

Cs3Y2I9 Cs3YI6 CsI3 AgI

Computed at

2022-07-01 10:54:54.162442

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: agm004677483).

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 agm004677483
data_agm004677483
_cell_length_a     8.48157
_cell_length_b     8.48157
_cell_length_c     10.55516
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       657.57806
_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 0.33333 0.66667 0.67569 1.00000
  Cs2 Cs 0.00000 0.00000 0.00000 1.00000
  Cs3 Cs 0.66667 0.33333 0.32431 1.00000
  Y1 Y 0.00000 0.00000 0.50000 1.00000
  Ag1 Ag 0.33333 0.66667 0.15062 1.00000
  Ag2 Ag 0.66667 0.33333 0.84938 1.00000
  I1 I 0.83174 0.16826 0.66556 1.00000
  I2 I 0.83174 0.66347 0.66556 1.00000
  I3 I 0.33653 0.16826 0.66556 1.00000
  I4 I 0.66347 0.83174 0.33444 1.00000
  I5 I 0.16826 0.33653 0.33444 1.00000
  I6 I 0.16826 0.83174 0.33444 1.00000
  I7 I 0.50000 0.00000 0.00000 1.00000
  I8 I 0.00000 0.50000 0.00000 1.00000
  I9 I 0.50000 0.50000 0.00000 1.00000
Get direct link