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Rb2Al(H2N)2

Alexandria ALEX

Alex-ID: agm005229679 · Space group: P4/n (#85)

Basic Information

Formula
Rb2Al(H2N)2
Alex-ID
agm005229679
Elements
4
Sites
36
Space group
P4/n (#85)
Crystal system
tetragonal
Volume
730.90
ų
Cell a
8.4069
Å
Cell b
9.3242
Å
Cell c
9.3242
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Al(H2N)2
Rb
8.00 · 22.2%
Al
4.00 · 11.1%
H
16.00 · 44.4%
N
8.00 · 22.2%

Energy & Stability

Energy above hull
0.4997
eV/atom
Formation energy
-0.1696
eV/atom
Corrected total energy
-144.2836
eV
Raw total energy
-144.2836
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0375
eV
DOS at Fermi level
8.9034
Total magnetisation
1.4795
μB

Additional Information

Prototype ID

AB2C2D4_803_spg85

Decomposition

Rb3H12N5 RbAl(H2N)4 RbH AlN

Computed at

2024-10-05 02:22:27

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: agm005229679).

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 agm005229679
data_agm005229679
_cell_length_a     8.40691
_cell_length_b     9.32417
_cell_length_c     9.32417
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       730.89807
_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 0.34849 0.20550 0.07033 1.00000
  Rb2 Rb 0.34849 0.79450 0.92967 1.00000
  Rb3 Rb 0.34849 0.42967 0.70550 1.00000
  Rb4 Rb 0.65151 0.29450 0.42967 1.00000
  Rb5 Rb 0.34849 0.57033 0.29450 1.00000
  Rb6 Rb 0.65151 0.70550 0.57033 1.00000
  Rb7 Rb 0.65151 0.07033 0.79450 1.00000
  Rb8 Rb 0.65151 0.92967 0.20550 1.00000
  Al1 Al 0.00000 0.25000 0.75000 1.00000
  Al2 Al 0.00000 0.75000 0.25000 1.00000
  Al3 Al 0.00000 0.75000 0.75000 1.00000
  Al4 Al 0.00000 0.25000 0.25000 1.00000
  H1 H 0.20045 0.69548 0.55476 1.00000
  H2 H 0.20045 0.30452 0.44524 1.00000
  H3 H 0.20045 0.94524 0.19548 1.00000
  H4 H 0.79955 0.80452 0.94524 1.00000
  H5 H 0.20045 0.05476 0.80452 1.00000
  H6 H 0.79955 0.19548 0.05476 1.00000
  H7 H 0.79955 0.55476 0.30452 1.00000
  H8 H 0.79955 0.44524 0.69548 1.00000
  H9 H 0.28894 0.11399 0.66576 1.00000
  H10 H 0.28894 0.88601 0.33424 1.00000
  H11 H 0.28894 0.83424 0.61399 1.00000
  H12 H 0.71106 0.38601 0.83424 1.00000
  H13 H 0.28894 0.16576 0.38601 1.00000
  H14 H 0.71106 0.61399 0.16576 1.00000
  H15 H 0.71106 0.66576 0.88601 1.00000
  H16 H 0.71106 0.33424 0.11399 1.00000
  N1 N 0.28363 0.13101 0.77520 1.00000
  N2 N 0.28363 0.86899 0.22480 1.00000
  N3 N 0.28363 0.72480 0.63101 1.00000
  N4 N 0.71637 0.36899 0.72480 1.00000
  N5 N 0.28363 0.27520 0.36899 1.00000
  N6 N 0.71637 0.63101 0.27520 1.00000
  N7 N 0.71637 0.77520 0.86899 1.00000
  N8 N 0.71637 0.22480 0.13101 1.00000
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