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Rb3TaBr8

Alexandria ALEX

Alex-ID: agm005963817 · Space group: P6_3mc (#186)

Alexandria Database API

Basic Information

Formula
Rb3TaBr8
Alex-ID
agm005963817
Elements
3
Sites
24
Space group
P6_3mc (#186)
Crystal system
hexagonal
Volume
922.65
ų
Cell a
9.9586
Å
Cell b
10.3432
Å
Cell c
10.3432
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb3TaBr8
Rb
6.00 · 25.0%
Ta
2.00 · 8.3%
Br
16.00 · 66.7%

Energy & Stability

Energy above hull
0.0428
eV/atom
Formation energy
-1.3108
eV/atom
Corrected total energy
-87.7347
eV
Raw total energy
-87.7347
eV

Electronic Structure

Indirect band gap
1.1643
eV
Direct band gap
1.1797
eV
DOS at Fermi level
-0.0237
Total magnetisation
0.0024
μB

Additional Information

Prototype ID

AB3C8_266_spg186

Decomposition

RbTaBr6 RbBr

Computed at

2023-09-07 18:40:21.059601

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: agm005963817).

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 agm005963817
data_agm005963817
_cell_length_a     9.95861
_cell_length_b     10.34317
_cell_length_c     10.34317
_cell_angle_alpha  119.99999
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       922.64936
_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
  Rb1 Rb 0.69317 0.69589 0.84795 1.00000
  Rb2 Rb 0.69317 0.15205 0.30411 1.00000
  Rb3 Rb 0.69317 0.15205 0.84795 1.00000
  Rb4 Rb 0.19317 0.30411 0.15205 1.00000
  Rb5 Rb 0.19317 0.84795 0.69589 1.00000
  Rb6 Rb 0.19317 0.84795 0.15205 1.00000
  Ta1 Ta 0.14973 0.33333 0.66667 1.00000
  Ta2 Ta 0.64973 0.66667 0.33333 1.00000
  Br1 Br 0.00750 0.10170 0.55085 1.00000
  Br2 Br 0.00750 0.44915 0.89830 1.00000
  Br3 Br 0.00750 0.44915 0.55085 1.00000
  Br4 Br 0.50750 0.89830 0.44915 1.00000
  Br5 Br 0.50750 0.55085 0.10170 1.00000
  Br6 Br 0.50750 0.55085 0.44915 1.00000
  Br7 Br 0.80215 0.43572 0.21786 1.00000
  Br8 Br 0.80215 0.78214 0.56428 1.00000
  Br9 Br 0.80215 0.78214 0.21786 1.00000
  Br10 Br 0.30215 0.56428 0.78214 1.00000
  Br11 Br 0.30215 0.21786 0.43572 1.00000
  Br12 Br 0.30215 0.21786 0.78214 1.00000
  Br13 Br 0.65839 0.33333 0.66667 1.00000
  Br14 Br 0.15839 0.66667 0.33333 1.00000
  Br15 Br 0.95645 0.00000 0.00000 1.00000
  Br16 Br 0.45645 0.00000 0.00000 1.00000
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