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Rb2Na2Al3(GeO4)3

Alexandria ALEX

Alex-ID: agm005227388 · Space group: Pmn2_1 (#31)

Basic Information

Formula
Rb2Na2Al3(GeO4)3
Alex-ID
agm005227388
Elements
5
Sites
44
Space group
Pmn2_1 (#31)
Crystal system
orthorhombic
Volume
721.22
ų
Cell a
5.3719
Å
Cell b
8.4635
Å
Cell c
15.8630
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Na2Al3(GeO4)3
Rb
4.00 · 9.1%
Na
4.00 · 9.1%
Al
6.00 · 13.6%
Ge
6.00 · 13.6%
O
24.00 · 54.5%

Energy & Stability

Energy above hull
0.0616
eV/atom
Formation energy
-2.5302
eV/atom
Corrected total energy
-289.6509
eV
Raw total energy
-272.7960
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.1007
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3D3E12_3_spg31

Decomposition

Na2GeO3 Rb2Al2Ge3O10 Rb3AlGe2O7 NaAlO2 Ge

Computed at

2024-10-06 17:23:31

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: agm005227388).

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 agm005227388
data_agm005227388
_cell_length_a     5.37192
_cell_length_b     8.46348
_cell_length_c     15.86302
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       721.21532
_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 0.81884 0.32483 0.73830 1.00000
  Rb2 Rb 0.31884 0.67517 0.76170 1.00000
  Rb3 Rb 0.31884 0.67517 0.23830 1.00000
  Rb4 Rb 0.81884 0.32483 0.26170 1.00000
  Na1 Na 0.79964 0.19191 0.00000 1.00000
  Na2 Na 0.29964 0.80809 0.50000 1.00000
  Na3 Na 0.29907 0.82112 0.00000 1.00000
  Na4 Na 0.79907 0.17888 0.50000 1.00000
  Al1 Al 0.33776 0.39676 0.00000 1.00000
  Al2 Al 0.83776 0.60324 0.50000 1.00000
  Al3 Al 0.81983 0.89743 0.85718 1.00000
  Al4 Al 0.31983 0.10257 0.64282 1.00000
  Al5 Al 0.31983 0.10257 0.35718 1.00000
  Al6 Al 0.81983 0.89743 0.14282 1.00000
  Ge1 Ge 0.83817 0.61297 0.00000 1.00000
  Ge2 Ge 0.33817 0.38703 0.50000 1.00000
  Ge3 Ge 0.81962 0.88716 0.64301 1.00000
  Ge4 Ge 0.31962 0.11284 0.85699 1.00000
  Ge5 Ge 0.31962 0.11284 0.14301 1.00000
  Ge6 Ge 0.81962 0.88716 0.35699 1.00000
  O1 O 0.93225 0.71710 0.58924 1.00000
  O2 O 0.43225 0.28290 0.91076 1.00000
  O3 O 0.43225 0.28290 0.08924 1.00000
  O4 O 0.93225 0.71710 0.41076 1.00000
  O5 O 0.50422 0.94175 0.88377 1.00000
  O6 O 0.00422 0.05825 0.61623 1.00000
  O7 O 0.00422 0.05825 0.38377 1.00000
  O8 O 0.50422 0.94175 0.11623 1.00000
  O9 O 0.51109 0.57670 0.00000 1.00000
  O10 O 0.01109 0.42330 0.50000 1.00000
  O11 O 0.84672 0.83514 0.75108 1.00000
  O12 O 0.34672 0.16486 0.74892 1.00000
  O13 O 0.34672 0.16486 0.25108 1.00000
  O14 O 0.84672 0.83514 0.24892 1.00000
  O15 O 0.50103 0.93136 0.61784 1.00000
  O16 O 0.00103 0.06864 0.88216 1.00000
  O17 O 0.00103 0.06864 0.11784 1.00000
  O18 O 0.50103 0.93136 0.38216 1.00000
  O19 O 0.01252 0.43423 0.00000 1.00000
  O20 O 0.51252 0.56577 0.50000 1.00000
  O21 O 0.93424 0.72885 0.91147 1.00000
  O22 O 0.43424 0.27115 0.58853 1.00000
  O23 O 0.43424 0.27115 0.41147 1.00000
  O24 O 0.93424 0.72885 0.08853 1.00000
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