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Ag2SnBr4

Alexandria ALEX

Alex-ID: agm005879080 · Space group: P4_122 (#91)

Basic Information

Formula
Ag2SnBr4
Alex-ID
agm005879080
Elements
3
Sites
28
Space group
P4_122 (#91)
Crystal system
tetragonal
Volume
891.59
ų
Cell a
8.5841
Å
Cell b
8.5841
Å
Cell c
12.0996
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ag2SnBr4
Br
16.00 · 57.1%
Sn
4.00 · 14.3%
Ag
8.00 · 28.6%

Energy & Stability

Energy above hull
0.0107
eV/atom
Formation energy
-0.5109
eV/atom
Corrected total energy
-79.8921
eV
Raw total energy
-79.8921
eV

Electronic Structure

Indirect band gap
2.1918
eV
Direct band gap
2.2612
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_472_spg91

Decomposition

SnBr2 AgBr

Computed at

2023-09-02 23:52:01

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: agm005879080).

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 agm005879080
data_agm005879080
_cell_length_a     8.58415
_cell_length_b     8.58415
_cell_length_c     12.09963
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  89.99999
_cell_volume       891.59218
_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
  Br1 Br 0.26120 0.98808 0.50139 1.00000
  Br2 Br 0.73880 0.98808 0.49861 1.00000
  Br3 Br 0.01192 0.26120 0.75139 1.00000
  Br4 Br 0.73880 0.01192 0.00139 1.00000
  Br5 Br 0.25178 0.49241 0.99037 1.00000
  Br6 Br 0.50759 0.25178 0.24037 1.00000
  Br7 Br 0.49241 0.74822 0.74037 1.00000
  Br8 Br 0.25178 0.50759 0.50963 1.00000
  Br9 Br 0.74822 0.49241 0.00963 1.00000
  Br10 Br 0.74822 0.50759 0.49037 1.00000
  Br11 Br 0.49241 0.25178 0.75963 1.00000
  Br12 Br 0.50759 0.74822 0.25963 1.00000
  Br13 Br 0.98808 0.26120 0.24861 1.00000
  Br14 Br 0.26120 0.01192 0.99861 1.00000
  Br15 Br 0.98808 0.73880 0.25139 1.00000
  Br16 Br 0.01192 0.73880 0.74861 1.00000
  Sn1 Sn 1.00000 0.73802 0.50000 1.00000
  Sn2 Sn 0.26198 0.00000 0.75000 1.00000
  Sn3 Sn 0.73802 1.00000 0.25000 1.00000
  Sn4 Sn 0.00000 0.26198 0.00000 1.00000
  Ag1 Ag 0.74800 0.74800 0.87500 1.00000
  Ag2 Ag 0.25200 0.74800 0.12500 1.00000
  Ag3 Ag 0.74800 0.25200 0.62500 1.00000
  Ag4 Ag 0.25200 0.25200 0.37500 1.00000
  Ag5 Ag 0.73294 0.50000 0.25000 1.00000
  Ag6 Ag 0.50000 0.26706 0.00000 1.00000
  Ag7 Ag 0.50000 0.73294 0.50000 1.00000
  Ag8 Ag 0.26706 0.50000 0.75000 1.00000
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