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Cs2TlI4

Alexandria ALEX

Alex-ID: agm006035652 · Space group: Pnma (#62)

Basic Information

Formula
Cs2TlI4
Alex-ID
agm006035652
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,594.15
ų
Cell a
8.8643
Å
Cell b
11.2801
Å
Cell c
15.9431
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2TlI4
Cs
8.00 · 28.6%
I
16.00 · 57.1%
Tl
4.00 · 14.3%

Energy & Stability

Energy above hull
0.0722
eV/atom
Formation energy
-1.0163
eV/atom
Corrected total energy
-69.5762
eV
Raw total energy
-69.5762
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0068
eV
DOS at Fermi level
12.4769
Total magnetisation
0.0028
μB

Additional Information

Prototype ID

AB2C4_9_spg62

Decomposition

CsI3 TlI CsI

Computed at

2023-10-19 23:03:55

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: agm006035652).

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 agm006035652
data_agm006035652
_cell_length_a     8.86427
_cell_length_b     11.28012
_cell_length_c     15.94312
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1594.15231
_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 0.75000 0.51496 0.33668 1.00000
  Cs2 Cs 0.25000 0.48504 0.66332 1.00000
  Cs3 Cs 0.25000 0.98504 0.83668 1.00000
  Cs4 Cs 0.75000 0.01496 0.16332 1.00000
  Cs5 Cs 0.75000 0.89527 0.56473 1.00000
  Cs6 Cs 0.25000 0.10473 0.43527 1.00000
  Cs7 Cs 0.25000 0.60473 0.06473 1.00000
  Cs8 Cs 0.75000 0.39527 0.93527 1.00000
  I1 I 0.45815 0.66848 0.84831 1.00000
  I2 I 0.54185 0.33152 0.15169 1.00000
  I3 I 0.54185 0.83152 0.34831 1.00000
  I4 I 0.95815 0.33152 0.15169 1.00000
  I5 I 0.45815 0.16848 0.65169 1.00000
  I6 I 0.04185 0.66848 0.84831 1.00000
  I7 I 0.04185 0.16848 0.65169 1.00000
  I8 I 0.95815 0.83152 0.34831 1.00000
  I9 I 0.75000 0.05128 0.91387 1.00000
  I10 I 0.25000 0.94872 0.08613 1.00000
  I11 I 0.25000 0.44872 0.41387 1.00000
  I12 I 0.75000 0.55128 0.58613 1.00000
  I13 I 0.75000 0.17999 0.40692 1.00000
  I14 I 0.25000 0.82001 0.59308 1.00000
  I15 I 0.25000 0.32001 0.90692 1.00000
  I16 I 0.75000 0.67999 0.09308 1.00000
  Tl1 Tl 0.75000 0.77920 0.91283 1.00000
  Tl2 Tl 0.25000 0.22080 0.08717 1.00000
  Tl3 Tl 0.25000 0.72080 0.41283 1.00000
  Tl4 Tl 0.75000 0.27920 0.58717 1.00000
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