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RbPb2Br5

Alexandria ALEX

Alex-ID: agm050288808 · Space group: Pbam (#55)

Basic Information

Formula
RbPb2Br5
Alex-ID
agm050288808
Elements
3
Sites
32
Space group
Pbam (#55)
Crystal system
orthorhombic
Volume
1,199.23
ų
Cell a
9.3930
Å
Cell b
9.7126
Å
Cell c
13.1451
Å
α angle
90.00
°
β angle
89.97
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
RbPb2Br5
Rb
4.00 · 12.5%
Pb
8.00 · 25.0%
Br
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0070
eV/atom
Formation energy
-1.1355
eV/atom
Corrected total energy
-103.3291
eV
Raw total energy
-103.3291
eV

Electronic Structure

Indirect band gap
2.8771
eV
Direct band gap
2.9809
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C5_289_spg55

Decomposition

Rb2Pb3Br8 PbBr2

Computed at

2025-03-10 18:00:52

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: agm050288808).

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 agm050288808
data_agm050288808
_cell_length_a     9.39304
_cell_length_b     9.71255
_cell_length_c     13.14512
_cell_angle_alpha  90.00000
_cell_angle_beta   89.97222
_cell_angle_gamma  90.00000
_cell_volume       1199.23419
_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 0.00035 0.42241 0.66929 1.00000
  Rb2 Rb 0.99965 0.57759 0.33071 1.00000
  Rb3 Rb 0.99965 0.92241 0.83071 1.00000
  Rb4 Rb 0.00035 0.07759 0.16929 1.00000
  Pb1 Pb 0.50010 0.55405 0.66918 1.00000
  Pb2 Pb 0.49990 0.44595 0.33082 1.00000
  Pb3 Pb 0.49990 0.05405 0.83082 1.00000
  Pb4 Pb 0.50010 0.94595 0.16918 1.00000
  Pb5 Pb 0.76255 0.49934 0.00003 1.00000
  Pb6 Pb 0.23745 0.50066 0.99997 1.00000
  Pb7 Pb 0.23745 0.99934 0.49997 1.00000
  Pb8 Pb 0.76255 0.00066 0.50003 1.00000
  Br1 Br 0.00090 0.31430 0.93528 1.00000
  Br2 Br 0.99910 0.68570 0.06472 1.00000
  Br3 Br 0.99910 0.81430 0.56472 1.00000
  Br4 Br 0.00090 0.18570 0.43528 1.00000
  Br5 Br 0.75658 0.64676 0.79680 1.00000
  Br6 Br 0.24342 0.35324 0.20320 1.00000
  Br7 Br 0.24342 0.14676 0.70320 1.00000
  Br8 Br 0.75658 0.85324 0.29680 1.00000
  Br9 Br 0.75664 0.14744 0.70356 1.00000
  Br10 Br 0.24336 0.85256 0.29644 1.00000
  Br11 Br 0.24336 0.64744 0.79644 1.00000
  Br12 Br 0.75664 0.35256 0.20356 1.00000
  Br13 Br 0.71249 0.00103 0.00010 1.00000
  Br14 Br 0.28751 0.99897 0.99990 1.00000
  Br15 Br 0.28751 0.50103 0.49990 1.00000
  Br16 Br 0.71249 0.49897 0.50010 1.00000
  Br17 Br 0.50072 0.84359 0.60701 1.00000
  Br18 Br 0.49928 0.15641 0.39299 1.00000
  Br19 Br 0.49928 0.34359 0.89299 1.00000
  Br20 Br 0.50072 0.65641 0.10701 1.00000
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