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RbNa15(FeO4)4

Alexandria ALEX

Alex-ID: agm010974744 · Space group: I4/m (#87)

Basic Information

Formula
RbNa15(FeO4)4
Alex-ID
agm010974744
Elements
4
Sites
36
Space group
I4/m (#87)
Crystal system
tetragonal
Volume
540.95
ų
Cell a
9.4817
Å
Cell b
9.4817
Å
Cell c
9.4817
Å
α angle
97.72
°
β angle
97.72
°
γ angle
137.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
RbNa15(FeO4)4
Rb
1.00 · 2.8%
Na
15.00 · 41.7%
Fe
4.00 · 11.1%
O
16.00 · 44.4%

Energy & Stability

Energy above hull
0.0120
eV/atom
Formation energy
-1.6759
eV/atom
Corrected total energy
-194.2661
eV
Raw total energy
-172.0975
eV

Electronic Structure

Indirect band gap
0.3572
eV
Direct band gap
0.3841
eV
DOS at Fermi level
0.5475
Total magnetisation
15.9967
μB

Additional Information

Prototype ID

AB4C15D16_1_spg87

Decomposition

Na8Fe2O7 Na4FeO4 Na3FeO3 Rb2O3

Computed at

2025-03-05 10:07:33

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: agm010974744).

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 agm010974744
data_agm010974744
_cell_length_a     9.48171
_cell_length_b     9.48171
_cell_length_c     9.48171
_cell_angle_alpha  97.72119
_cell_angle_beta   97.72119
_cell_angle_gamma  136.99502
_cell_volume       540.94596
_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 0.00000 0.00000 0.00000 1.00000
  Na1 Na 0.50000 0.50000 0.00000 1.00000
  Na2 Na 0.75000 0.25000 0.50000 1.00000
  Na3 Na 0.25000 0.75000 0.50000 1.00000
  Na4 Na 0.09596 0.71975 0.81571 1.00000
  Na5 Na 0.86272 0.96022 0.35593 1.00000
  Na6 Na 0.39571 0.49321 0.35593 1.00000
  Na7 Na 0.71975 0.90404 0.62379 1.00000
  Na8 Na 0.96022 0.60429 0.09750 1.00000
  Na9 Na 0.49321 0.13728 0.09750 1.00000
  Na10 Na 0.50679 0.86272 0.90250 1.00000
  Na11 Na 0.03978 0.39571 0.90250 1.00000
  Na12 Na 0.28025 0.09596 0.37621 1.00000
  Na13 Na 0.13728 0.03978 0.64407 1.00000
  Na14 Na 0.60429 0.50679 0.64407 1.00000
  Na15 Na 0.90404 0.28025 0.18429 1.00000
  Fe1 Fe 0.42932 0.76231 0.19163 1.00000
  Fe2 Fe 0.23769 0.42932 0.66701 1.00000
  Fe3 Fe 0.76231 0.57068 0.33299 1.00000
  Fe4 Fe 0.57068 0.23769 0.80837 1.00000
  O1 O 0.28315 0.77496 0.05811 1.00000
  O2 O 0.67767 0.91790 0.14208 1.00000
  O3 O 0.22418 0.46441 0.14208 1.00000
  O4 O 0.53668 0.86417 0.40084 1.00000
  O5 O 0.22504 0.28315 0.50820 1.00000
  O6 O 0.13583 0.53668 0.67251 1.00000
  O7 O 0.91790 0.77582 0.24023 1.00000
  O8 O 0.46441 0.32233 0.24023 1.00000
  O9 O 0.08210 0.22418 0.75977 1.00000
  O10 O 0.53559 0.67767 0.75977 1.00000
  O11 O 0.86417 0.46332 0.32749 1.00000
  O12 O 0.77496 0.71685 0.49180 1.00000
  O13 O 0.46332 0.13583 0.59916 1.00000
  O14 O 0.77582 0.53559 0.85792 1.00000
  O15 O 0.32233 0.08210 0.85792 1.00000
  O16 O 0.71685 0.22504 0.94189 1.00000
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