Navigation

HEAS Data Platform · Materials Science Database

Rb4U2Nb2O13

Alexandria ALEX

Alex-ID: agm009203320 · Space group: Pmmn (#59)

Basic Information

Formula
Rb4U2Nb2O13
Alex-ID
agm009203320
Elements
4
Sites
42
Space group
Pmmn (#59)
Crystal system
orthorhombic
Volume
840.38
ų
Cell a
7.0825
Å
Cell b
8.4284
Å
Cell c
14.0780
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb4U2Nb2O13
Rb
8.00 · 19.0%
U
4.00 · 9.5%
Nb
4.00 · 9.5%
O
26.00 · 61.9%

Energy & Stability

Energy above hull
0.0312
eV/atom
Formation energy
-3.0684
eV/atom
Corrected total energy
-350.9585
eV
Raw total energy
-332.6989
eV

Electronic Structure

Indirect band gap
2.0841
eV
Direct band gap
2.0856
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C4D13_1_spg59

Decomposition

Rb2U2O7 RbNbO3

Computed at

2024-09-22 08:16:15.302923

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: agm009203320).

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 agm009203320
data_agm009203320
_cell_length_a     7.08252
_cell_length_b     8.42842
_cell_length_c     14.07799
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       840.37834
_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 0.50060 0.50000 0.30187 1.00000
  Rb2 Rb 0.49940 0.00000 0.19813 1.00000
  Rb3 Rb 0.86521 0.00000 0.00000 1.00000
  Rb4 Rb 0.13479 0.50000 0.50000 1.00000
  Rb5 Rb 0.76180 0.50000 0.00000 1.00000
  Rb6 Rb 0.49940 0.00000 0.80187 1.00000
  Rb7 Rb 0.50060 0.50000 0.69813 1.00000
  Rb8 Rb 0.23820 0.00000 0.50000 1.00000
  U1 U 0.00000 0.25000 0.25000 1.00000
  U2 U 0.00000 0.75000 0.75000 1.00000
  U3 U 0.00000 0.25000 0.75000 1.00000
  U4 U 0.00000 0.75000 0.25000 1.00000
  Nb1 Nb 0.29424 0.27215 0.00000 1.00000
  Nb2 Nb 0.29424 0.72785 0.00000 1.00000
  Nb3 Nb 0.70576 0.22785 0.50000 1.00000
  Nb4 Nb 0.70576 0.77215 0.50000 1.00000
  O1 O 0.15893 0.20841 0.10760 1.00000
  O2 O 0.92670 0.00000 0.74901 1.00000
  O3 O 0.52401 0.82016 0.00000 1.00000
  O4 O 0.77399 0.29247 0.18388 1.00000
  O5 O 0.84107 0.70841 0.39240 1.00000
  O6 O 0.84107 0.70841 0.60760 1.00000
  O7 O 0.15893 0.20841 0.89240 1.00000
  O8 O 0.15893 0.79159 0.89240 1.00000
  O9 O 0.77399 0.70753 0.18388 1.00000
  O10 O 0.22601 0.20753 0.31612 1.00000
  O11 O 0.84107 0.29159 0.39240 1.00000
  O12 O 0.07330 0.50000 0.75099 1.00000
  O13 O 0.22601 0.79247 0.31612 1.00000
  O14 O 0.84107 0.29159 0.60760 1.00000
  O15 O 0.33901 0.50000 0.00000 1.00000
  O16 O 0.07330 0.50000 0.24901 1.00000
  O17 O 0.77399 0.70753 0.81612 1.00000
  O18 O 0.15893 0.79159 0.10760 1.00000
  O19 O 0.47599 0.32016 0.50000 1.00000
  O20 O 0.77399 0.29247 0.81612 1.00000
  O21 O 0.66099 0.00000 0.50000 1.00000
  O22 O 0.92670 0.00000 0.25099 1.00000
  O23 O 0.22601 0.20753 0.68388 1.00000
  O24 O 0.22601 0.79247 0.68388 1.00000
  O25 O 0.47599 0.67984 0.50000 1.00000
  O26 O 0.52401 0.17984 0.00000 1.00000
Get direct link