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Rb2AlHF6

Alexandria ALEX

Alex-ID: agm004484792 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Rb2AlHF6
Alex-ID
agm004484792
Elements
4
Sites
10
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
137.11
ų
Cell a
5.1930
Å
Cell b
5.1930
Å
Cell c
6.2718
Å
α angle
65.54
°
β angle
65.54
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2AlHF6
H
1.00 · 10.0%
Al
1.00 · 10.0%
Rb
2.00 · 20.0%
F
6.00 · 60.0%

Energy & Stability

Energy above hull
0.3642
eV/atom
Formation energy
-2.8541
eV/atom
Corrected total energy
-45.9843
eV
Raw total energy
-45.9843
eV

Electronic Structure

Indirect band gap
3.2739
eV
Direct band gap
3.2739
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D6_378_spg139

Decomposition

RbAlF4 Rb2H5F7 Rb2AlF5

Computed at

2017-10-06 16:40:53

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: agm004484792).

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 agm004484792
data_agm004484792
_cell_length_a     5.19296
_cell_length_b     5.19296
_cell_length_c     6.27183
_cell_angle_alpha  65.54426
_cell_angle_beta   65.54426
_cell_angle_gamma  90.00000
_cell_volume       137.11356
_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
  H1 H 0.50000 0.50000 0.00000 1.00000
  Al1 Al 0.00000 0.00000 0.00000 1.00000
  Rb1 Rb 0.75000 0.25000 0.50000 1.00000
  Rb2 Rb 0.25000 0.75000 0.50000 1.00000
  F1 F 0.17614 0.17614 0.64771 1.00000
  F2 F 0.82386 0.82386 0.35229 1.00000
  F3 F 0.25827 0.25827 0.00000 1.00000
  F4 F 0.74173 0.74173 0.00000 1.00000
  F5 F 0.74173 0.25827 0.00000 1.00000
  F6 F 0.25827 0.74173 0.00000 1.00000
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