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Rb2CrGaGe

Alexandria ALEX

Alex-ID: agm001453522 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Rb2CrGaGe
Alex-ID
agm001453522
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
222.40
ų
Cell a
6.6641
Å
Cell b
5.0078
Å
Cell c
6.6641
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2CrGaGe
Cr
1.00 · 20.0%
Ge
1.00 · 20.0%
Ga
1.00 · 20.0%
Rb
2.00 · 40.0%

Energy & Stability

Energy above hull
0.9873
eV/atom
Formation energy
0.8535
eV/atom
Corrected total energy
-14.9378
eV
Raw total energy
-14.9378
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.0126
Total magnetisation
6.4858
μB

Additional Information

Prototype ID

ABCD2_2_spg123

Decomposition

Rb2Ga3 Cr3Ge Rb RbGe

Computed at

2016-09-15 21:48:52

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: agm001453522).

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 agm001453522
data_agm001453522
_cell_length_a     6.66414
_cell_length_b     5.00782
_cell_length_c     6.66414
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       222.40144
_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
  Cr1 Cr 0.00000 0.50000 0.00000 1.00000
  Ge1 Ge 0.50000 0.50000 0.50000 1.00000
  Ga1 Ga 0.00000 0.00000 0.00000 1.00000
  Rb1 Rb 0.00000 0.00000 0.50000 1.00000
  Rb2 Rb 0.50000 0.00000 0.00000 1.00000
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