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Rb2NaCdH5

Alexandria ALEX

Alex-ID: agm005146607 · Space group: I4/mcm (#140)

Alexandria Database API

Basic Information

Formula
Rb2NaCdH5
Alex-ID
agm005146607
Elements
4
Sites
18
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
357.04
ų
Cell a
7.8338
Å
Cell b
7.8338
Å
Cell c
8.0332
Å
α angle
119.18
°
β angle
119.18
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2NaCdH5
Rb
4.00 · 22.2%
Na
2.00 · 11.1%
Cd
2.00 · 11.1%
H
10.00 · 55.6%

Energy & Stability

Energy above hull
0.0927
eV/atom
Formation energy
-0.1462
eV/atom
Corrected total energy
-43.3842
eV
Raw total energy
-43.3842
eV

Electronic Structure

Indirect band gap
2.3644
eV
Direct band gap
2.3644
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0031
μB

Additional Information

Prototype ID

ABC2D5_41_spg140

Decomposition

Rb2CdH4 NaH

Computed at

2023-01-07 21:13:49.682943

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: agm005146607).

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 agm005146607
data_agm005146607
_cell_length_a     7.83385
_cell_length_b     7.83385
_cell_length_c     8.03324
_cell_angle_alpha  119.18229
_cell_angle_beta   119.18229
_cell_angle_gamma  90.00000
_cell_volume       357.04160
_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 0.18185 0.31815 0.00000 1.00000
  Rb2 Rb 0.68185 0.18185 0.00000 1.00000
  Rb3 Rb 0.31815 0.81815 1.00000 1.00000
  Rb4 Rb 0.81815 0.68185 0.00000 1.00000
  Na1 Na 0.25000 0.25000 0.50000 1.00000
  Na2 Na 0.75000 0.75000 0.50000 1.00000
  Cd1 Cd 0.25000 0.75000 0.50000 1.00000
  Cd2 Cd 0.75000 0.25000 0.50000 1.00000
  H1 H 0.02420 0.52420 0.31562 1.00000
  H2 H 0.70858 0.20858 0.68438 1.00000
  H3 H 0.97580 0.47580 0.68438 1.00000
  H4 H 0.20858 0.97580 0.68438 1.00000
  H5 H 0.47580 0.70858 0.68438 1.00000
  H6 H 0.79142 0.02420 0.31562 1.00000
  H7 H 0.52420 0.29142 0.31562 1.00000
  H8 H 0.29142 0.79142 0.31562 1.00000
  H9 H 0.50000 0.50000 0.00000 1.00000
  H10 H 0.00000 0.00000 0.00000 1.00000
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