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Rb2Ba(GeO3)2

Alexandria ALEX

Alex-ID: agm004569718 · Space group: R-3m (#166)

Basic Information

Formula
Rb2Ba(GeO3)2
Alex-ID
agm004569718
Elements
4
Sites
11
Space group
R-3m (#166)
Crystal system
trigonal
Volume
244.31
ų
Cell a
6.3844
Å
Cell b
6.3742
Å
Cell c
7.8259
Å
α angle
113.63
°
β angle
90.00
°
γ angle
120.05
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Ba(GeO3)2
Rb
2.00 · 18.2%
Ba
1.00 · 9.1%
Ge
2.00 · 18.2%
O
6.00 · 54.5%

Energy & Stability

Energy above hull
0.1781
eV/atom
Formation energy
-2.1958
eV/atom
Corrected total energy
-66.9959
eV
Raw total energy
-62.7821
eV

Electronic Structure

Indirect band gap
2.5357
eV
Direct band gap
2.5357
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D6_26_spg166

Decomposition

BaGeO3 Rb2GeO3

Computed at

2022-06-24 14:52:36.794039

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: agm004569718).

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 agm004569718
data_agm004569718
_cell_length_a     6.38437
_cell_length_b     6.37418
_cell_length_c     7.82591
_cell_angle_alpha  113.63321
_cell_angle_beta   90.00000
_cell_angle_gamma  120.05293
_cell_volume       244.31415
_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 0.69785 0.39570 0.09369 1.00000
  Rb2 Rb 0.30215 0.60430 0.90631 1.00000
  Ba1 Ba 0.50000 0.00000 0.50000 1.00000
  Ge1 Ge 0.92082 0.84165 0.75962 1.00000
  Ge2 Ge 0.07918 0.15835 0.24038 1.00000
  O1 O 0.76476 0.52952 0.75650 1.00000
  O2 O 0.23233 0.00077 0.23738 1.00000
  O3 O 0.23156 0.99923 0.76262 1.00000
  O4 O 0.76767 0.99923 0.76262 1.00000
  O5 O 0.76844 0.00077 0.23738 1.00000
  O6 O 0.23524 0.47048 0.24349 1.00000
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