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K(Rb2Sb)2

Alexandria ALEX

Alex-ID: agm006036746 · Space group: R-3m (#166)

Basic Information

Formula
K(Rb2Sb)2
Alex-ID
agm006036746
Elements
3
Sites
7
Space group
R-3m (#166)
Crystal system
trigonal
Volume
420.31
ų
Cell a
6.3826
Å
Cell b
6.3826
Å
Cell c
12.4707
Å
α angle
75.17
°
β angle
75.17
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K(Rb2Sb)2
Sb
2.00 · 28.6%
K
1.00 · 14.3%
Rb
4.00 · 57.1%

Energy & Stability

Energy above hull
0.1102
eV/atom
Formation energy
-0.2767
eV/atom
Corrected total energy
-15.1539
eV
Raw total energy
-15.1539
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.4977
Total magnetisation
1.1384
μB

Additional Information

Prototype ID

AB2C4_2824_spg166

Decomposition

Rb5Sb4 KRb2Sb Rb3Sb

Computed at

2023-10-03 15:52:28

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: agm006036746).

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 agm006036746
data_agm006036746
_cell_length_a     6.38257
_cell_length_b     6.38257
_cell_length_c     12.47068
_cell_angle_alpha  75.17291
_cell_angle_beta   75.17291
_cell_angle_gamma  60.00003
_cell_volume       420.31327
_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
  Sb1 Sb 0.09603 0.09603 0.71191 1.00000
  Sb2 Sb 0.90397 0.90397 0.28809 1.00000
  K1 K 0.00000 0.00000 0.00000 1.00000
  Rb1 Rb 0.41265 0.41265 0.76205 1.00000
  Rb2 Rb 0.20133 0.20133 0.39602 1.00000
  Rb3 Rb 0.79867 0.79867 0.60398 1.00000
  Rb4 Rb 0.58735 0.58735 0.23795 1.00000
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