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K2RbCaCl5

Alexandria ALEX

Alex-ID: agm005178522 · Space group: Immm (#71)

Alexandria Database API

Basic Information

Formula
K2RbCaCl5
Alex-ID
agm005178522
Elements
4
Sites
9
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
304.78
ų
Cell a
5.2634
Å
Cell b
7.6205
Å
Cell c
8.8987
Å
α angle
115.35
°
β angle
107.20
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2RbCaCl5
K
2.00 · 22.2%
Rb
1.00 · 11.1%
Ca
1.00 · 11.1%
Cl
5.00 · 55.6%

Energy & Stability

Energy above hull
0.0353
eV/atom
Formation energy
-2.4167
eV/atom
Corrected total energy
-33.1939
eV
Raw total energy
-33.1939
eV

Electronic Structure

Indirect band gap
4.5370
eV
Direct band gap
4.5778
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_40_spg71

Decomposition

RbCaCl3 K6CaCl8 Rb6CaCl8

Computed at

2023-01-21 11:16:08.179122

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: agm005178522).

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 agm005178522
data_agm005178522
_cell_length_a     5.26337
_cell_length_b     7.62046
_cell_length_c     8.89866
_cell_angle_alpha  115.35214
_cell_angle_beta   107.20186
_cell_angle_gamma  90.00000
_cell_volume       304.78459
_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 0.20866 0.20866 0.41733 1.00000
  K2 K 0.79134 0.79134 0.58267 1.00000
  Rb1 Rb 0.00000 0.50000 0.00000 1.00000
  Ca1 Ca 0.50000 0.00000 0.00000 1.00000
  Cl1 Cl 0.63102 0.88433 0.26203 1.00000
  Cl2 Cl 0.36898 0.11567 0.73797 1.00000
  Cl3 Cl 0.36898 0.62230 0.73797 1.00000
  Cl4 Cl 0.63102 0.37770 0.26203 1.00000
  Cl5 Cl 0.00000 0.00000 0.00000 1.00000
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