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KRb

Alexandria ALEX

Alex-ID: agm077703567 · Space group: R-3m (#166)

Basic Information

Formula
KRb
Alex-ID
agm077703567
Elements
2
Sites
4
Space group
R-3m (#166)
Crystal system
trigonal
Volume
324.84
ų
Cell a
4.8872
Å
Cell b
4.8872
Å
Cell c
16.6527
Å
α angle
73.69
°
β angle
106.31
°
γ angle
120.32
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KRb
K
2.00 · 50.0%
Rb
2.00 · 50.0%

Energy & Stability

Energy above hull
0.0081
eV/atom
Formation energy
0.0081
eV/atom
Corrected total energy
-4.1070
eV
Raw total energy
-4.1070
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0003
eV
DOS at Fermi level
3.0924
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB_438_spg160

Decomposition

Rb K

Computed at

2025-07-01 21:45:53

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: agm077703567).

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 agm077703567
data_agm077703567
_cell_length_a     4.88719
_cell_length_b     4.88719
_cell_length_c     16.65269
_cell_angle_alpha  73.68561
_cell_angle_beta   106.31439
_cell_angle_gamma  120.31858
_cell_volume       324.84206
_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
  K1 K 0.09846 0.90154 0.88264 1.00000
  K2 K 0.92035 0.07965 0.11730 1.00000
  Rb1 Rb 0.27045 0.72955 0.63226 1.00000
  Rb2 Rb 0.75531 0.24469 0.36730 1.00000
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