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Rb2TaPbBr

Alexandria ALEX

Alex-ID: agm001536746 · Space group: P4/mmm (#123)

Basic Information

Formula
Rb2TaPbBr
Alex-ID
agm001536746
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
264.32
ų
Cell a
7.2861
Å
Cell b
4.9790
Å
Cell c
7.2861
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2TaPbBr
Pb
1.00 · 20.0%
Br
1.00 · 20.0%
Rb
2.00 · 40.0%
Ta
1.00 · 20.0%

Energy & Stability

Energy above hull
1.6070
eV/atom
Formation energy
0.8167
eV/atom
Corrected total energy
-15.0853
eV
Raw total energy
-15.0853
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.1610
Total magnetisation
5.2183
μB

Additional Information

Prototype ID

ABCD2_23_spg123

Decomposition

RbBr RbPb Ta

Computed at

2016-11-20 11:00:32

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: agm001536746).

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 agm001536746
data_agm001536746
_cell_length_a     7.28608
_cell_length_b     4.97896
_cell_length_c     7.28608
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       264.31776
_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
  Pb1 Pb 0.50000 0.50000 0.50000 1.00000
  Br1 Br 0.00000 0.50000 0.00000 1.00000
  Rb1 Rb 0.00000 0.00000 0.50000 1.00000
  Rb2 Rb 0.50000 0.00000 0.00000 1.00000
  Ta1 Ta 0.00000 0.00000 0.00000 1.00000
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