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Ag2Sn4I9

Alexandria ALEX

Alex-ID: agm005641848 · Space group: P-1 (#2)

Basic Information

Formula
Ag2Sn4I9
Alex-ID
agm005641848
Elements
3
Sites
30
Space group
P-1 (#2)
Crystal system
triclinic
Volume
1,287.55
ų
Cell a
7.7696
Å
Cell b
7.8184
Å
Cell c
23.5342
Å
α angle
85.17
°
β angle
83.66
°
γ angle
65.09
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ag2Sn4I9
Ag
4.00 · 13.3%
Sn
8.00 · 26.7%
I
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0972
eV/atom
Formation energy
-0.3455
eV/atom
Corrected total energy
-81.6954
eV
Raw total energy
-81.6954
eV

Electronic Structure

Indirect band gap
0.7741
eV
Direct band gap
0.8225
eV
DOS at Fermi level
-0.3941
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B4C9_97_spg2

Decomposition

SnI2 Ag AgI

Computed at

2023-06-15 16:22:47.082818

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: agm005641848).

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 agm005641848
data_agm005641848
_cell_length_a     7.76962
_cell_length_b     7.81840
_cell_length_c     23.53417
_cell_angle_alpha  85.16781
_cell_angle_beta   83.65552
_cell_angle_gamma  65.09040
_cell_volume       1287.54623
_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
  Ag1 Ag 0.91533 0.05655 0.30349 1.00000
  Ag2 Ag 0.98690 0.90130 0.13427 1.00000
  Ag3 Ag 0.08467 0.94345 0.69651 1.00000
  Ag4 Ag 0.01310 0.09870 0.86573 1.00000
  Sn1 Sn 0.19935 0.34982 0.00831 1.00000
  Sn2 Sn 0.32519 0.32595 0.49524 1.00000
  Sn3 Sn 0.80065 0.65018 0.99169 1.00000
  Sn4 Sn 0.34361 0.30574 0.17942 1.00000
  Sn5 Sn 0.67481 0.67405 0.50476 1.00000
  Sn6 Sn 0.65391 0.70428 0.32996 1.00000
  Sn7 Sn 0.34609 0.29572 0.67004 1.00000
  Sn8 Sn 0.65639 0.69426 0.82058 1.00000
  I1 I 0.00115 0.28561 0.75241 1.00000
  I2 I 0.37714 0.60961 0.73606 1.00000
  I3 I 0.70806 0.94871 0.71582 1.00000
  I4 I 0.99885 0.71439 0.24759 1.00000
  I5 I 0.62286 0.39039 0.26394 1.00000
  I6 I 0.29194 0.05129 0.28418 1.00000
  I7 I 0.70374 0.99717 0.41380 1.00000
  I8 I 0.95701 0.40674 0.41758 1.00000
  I9 I 0.34833 0.69819 0.43429 1.00000
  I10 I 0.61373 0.99705 0.10570 1.00000
  I11 I 0.29223 0.62310 0.06944 1.00000
  I12 I 0.01645 0.26304 0.12219 1.00000
  I13 I 0.29626 0.00283 0.58620 1.00000
  I14 I 0.04299 0.59326 0.58242 1.00000
  I15 I 0.65167 0.30181 0.56571 1.00000
  I16 I 0.38627 0.00295 0.89430 1.00000
  I17 I 0.70777 0.37690 0.93056 1.00000
  I18 I 0.98355 0.73696 0.87781 1.00000
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