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CsCu2TeBr8

Alexandria ALEX

Alex-ID: agm004875490 · Space group: R-3 (#148)

Basic Information

Formula
CsCu2TeBr8
Alex-ID
agm004875490
Elements
4
Sites
12
Space group
R-3 (#148)
Crystal system
trigonal
Volume
426.28
ų
Cell a
6.8681
Å
Cell b
6.8681
Å
Cell c
11.1629
Å
α angle
72.08
°
β angle
72.08
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CsCu2TeBr8
Cs
1.00 · 8.3%
Cu
2.00 · 16.7%
Te
1.00 · 8.3%
Br
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0700
eV/atom
Formation energy
-0.5327
eV/atom
Corrected total energy
-32.0935
eV
Raw total energy
-32.0935
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0104
eV
DOS at Fermi level
15.2907
Total magnetisation
1.1574
μB

Additional Information

Prototype ID

ABC2D8_303_spg148

Decomposition

CuBr2 Cs2TeBr6 Cu3Br4 TeBr4

Computed at

2022-12-21 04:57:36.264490

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: agm004875490).

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 agm004875490
data_agm004875490
_cell_length_a     6.86814
_cell_length_b     6.86814
_cell_length_c     11.16289
_cell_angle_alpha  72.08339
_cell_angle_beta   72.08339
_cell_angle_gamma  60.00000
_cell_volume       426.28040
_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 0.50000 0.50000 0.50000 1.00000
  Cu1 Cu 0.25733 0.25733 0.22802 1.00000
  Cu2 Cu 0.74267 0.74267 0.77198 1.00000
  Te1 Te 0.00000 0.00000 0.00000 1.00000
  Br1 Br 0.18265 0.18265 0.45206 1.00000
  Br2 Br 0.62467 0.27473 0.15718 1.00000
  Br3 Br 0.81735 0.81735 0.54794 1.00000
  Br4 Br 0.94342 0.62467 0.15718 1.00000
  Br5 Br 0.05658 0.37533 0.84282 1.00000
  Br6 Br 0.27473 0.94342 0.15718 1.00000
  Br7 Br 0.72527 0.05658 0.84282 1.00000
  Br8 Br 0.37533 0.72527 0.84282 1.00000
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