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Rb5NaCu(GeO4)2

Alexandria ALEX

Alex-ID: agm010368593 · Space group: C2/c (#15)

Basic Information

Formula
Rb5NaCu(GeO4)2
Alex-ID
agm010368593
Elements
5
Sites
34
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
723.91
ų
Cell a
7.2428
Å
Cell b
7.2428
Å
Cell c
14.0873
Å
α angle
82.24
°
β angle
82.24
°
γ angle
92.70
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb5NaCu(GeO4)2
Rb
10.00 · 29.4%
Na
2.00 · 5.9%
Cu
2.00 · 5.9%
Ge
4.00 · 11.8%
O
16.00 · 47.1%

Energy & Stability

Energy above hull
0.0060
eV/atom
Formation energy
-1.8842
eV/atom
Corrected total energy
-182.4988
eV
Raw total energy
-171.2622
eV

Electronic Structure

Indirect band gap
0.8656
eV
Direct band gap
0.8669
eV
DOS at Fermi level
-0.3348
Total magnetisation
2.0000
μB

Additional Information

Prototype ID

ABC2D5E8_2_spg15

Decomposition

RbCuO2 Na2GeO3 Rb3Cu5O4 RbNa3GeO4 Rb6Cu(GeO4)2

Computed at

2024-08-24 23:47:20.170056

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: agm010368593).

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 agm010368593
data_agm010368593
_cell_length_a     7.24276
_cell_length_b     7.24276
_cell_length_c     14.08725
_cell_angle_alpha  82.24416
_cell_angle_beta   82.24416
_cell_angle_gamma  92.70285
_cell_volume       723.91499
_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 0.37138 0.62862 0.25000 1.00000
  Rb2 Rb 0.11339 0.50150 0.85194 1.00000
  Rb3 Rb 0.62862 0.37138 0.75000 1.00000
  Rb4 Rb 0.88661 0.49850 0.14806 1.00000
  Rb5 Rb 0.00559 0.70666 0.57164 1.00000
  Rb6 Rb 0.50150 0.11339 0.35194 1.00000
  Rb7 Rb 0.29334 0.99441 0.92836 1.00000
  Rb8 Rb 0.70666 0.00559 0.07164 1.00000
  Rb9 Rb 0.49850 0.88661 0.64806 1.00000
  Rb10 Rb 0.99441 0.29334 0.42836 1.00000
  Na1 Na 0.95299 0.04701 0.75000 1.00000
  Na2 Na 0.04701 0.95299 0.25000 1.00000
  Cu1 Cu 0.50000 0.50000 0.00000 1.00000
  Cu2 Cu 0.50000 0.50000 0.50000 1.00000
  Ge1 Ge 0.30237 0.22890 0.13359 1.00000
  Ge2 Ge 0.77110 0.69763 0.36641 1.00000
  Ge3 Ge 0.69763 0.77110 0.86641 1.00000
  Ge4 Ge 0.22890 0.30237 0.63359 1.00000
  O1 O 0.53418 0.34421 0.12379 1.00000
  O2 O 0.73510 0.84423 0.26011 1.00000
  O3 O 0.84423 0.73510 0.76011 1.00000
  O4 O 0.75294 0.63980 0.97670 1.00000
  O5 O 0.24706 0.36020 0.02330 1.00000
  O6 O 0.15577 0.26490 0.23989 1.00000
  O7 O 0.34421 0.53418 0.62379 1.00000
  O8 O 0.69569 0.01483 0.86967 1.00000
  O9 O 0.98517 0.30431 0.63033 1.00000
  O10 O 0.46582 0.65579 0.87621 1.00000
  O11 O 0.26490 0.15577 0.73989 1.00000
  O12 O 0.01483 0.69569 0.36967 1.00000
  O13 O 0.63980 0.75294 0.47670 1.00000
  O14 O 0.30431 0.98517 0.13033 1.00000
  O15 O 0.65579 0.46582 0.37621 1.00000
  O16 O 0.36020 0.24706 0.52330 1.00000
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