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Rb2Hf(Br2Cl)2

Alexandria ALEX

Alex-ID: agm004565296 · Space group: C2/m (#12)

Basic Information

Formula
Rb2Hf(Br2Cl)2
Alex-ID
agm004565296
Elements
4
Sites
9
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
317.14
ų
Cell a
7.7793
Å
Cell b
7.6217
Å
Cell c
7.6217
Å
α angle
60.70
°
β angle
59.19
°
γ angle
59.19
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Hf(Br2Cl)2
Rb
2.00 · 22.2%
Hf
1.00 · 11.1%
Br
4.00 · 44.4%
Cl
2.00 · 22.2%

Energy & Stability

Energy above hull
0.0003
eV/atom
Formation energy
-1.8828
eV/atom
Corrected total energy
-38.0331
eV
Raw total energy
-38.0331
eV

Electronic Structure

Indirect band gap
3.2590
eV
Direct band gap
3.2747
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D4_166_spg139

Decomposition

Rb2HfCl6 Rb2HfBr6

Computed at

2022-06-19 12:22:07.095694

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: agm004565296).

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 agm004565296
data_agm004565296
_cell_length_a     7.77930
_cell_length_b     7.62168
_cell_length_c     7.62168
_cell_angle_alpha  60.70079
_cell_angle_beta   59.18542
_cell_angle_gamma  59.18542
_cell_volume       317.14377
_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 0.23508 0.75142 0.75142 1.00000
  Rb2 Rb 0.76492 0.24858 0.24858 1.00000
  Hf1 Hf 0.50000 0.00000 0.00000 1.00000
  Br1 Br 0.28413 0.73638 0.21910 1.00000
  Br2 Br 0.71587 0.78090 0.26362 1.00000
  Br3 Br 0.71587 0.26362 0.78090 1.00000
  Br4 Br 0.28413 0.21910 0.73638 1.00000
  Cl1 Cl 0.22808 0.22925 0.22925 1.00000
  Cl2 Cl 0.77192 0.77075 0.77075 1.00000
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