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Rb2CuGe

Alexandria ALEX

Alex-ID: agm002823151 · Space group: I-42d (#122)

Basic Information

Formula
Rb2CuGe
Alex-ID
agm002823151
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
398.33
ų
Cell a
13.2719
Å
Cell b
13.2719
Å
Cell c
9.6533
Å
α angle
46.57
°
β angle
46.57
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2CuGe
Ge
2.00 · 25.0%
Cu
2.00 · 25.0%
Rb
4.00 · 50.0%

Energy & Stability

Energy above hull
0.2158
eV/atom
Formation energy
0.1154
eV/atom
Corrected total energy
-20.5013
eV
Raw total energy
-20.5013
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.5348
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_1069_spg122

Decomposition

Rb Cu RbGe

Computed at

2016-12-26 01:21:57

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: agm002823151).

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 agm002823151
data_agm002823151
_cell_length_a     13.27194
_cell_length_b     13.27194
_cell_length_c     9.65329
_cell_angle_alpha  46.57291
_cell_angle_beta   46.57291
_cell_angle_gamma  90.00000
_cell_volume       398.32799
_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
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
  Ge2 Ge 0.75000 0.25000 0.50000 1.00000
  Cu1 Cu 0.50000 0.50000 0.00000 1.00000
  Cu2 Cu 0.25000 0.75000 0.50000 1.00000
  Rb1 Rb 0.40828 0.12500 0.25000 1.00000
  Rb2 Rb 0.34172 0.62500 0.25000 1.00000
  Rb3 Rb 0.37500 0.59172 0.75000 1.00000
  Rb4 Rb 0.87500 0.65828 0.75000 1.00000
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