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K2ErTlF6

Alexandria ALEX

Alex-ID: agm062531802 · Space group: R-3 (#148)

Basic Information

Formula
K2ErTlF6
Alex-ID
agm062531802
Elements
4
Sites
10
Space group
R-3 (#148)
Crystal system
trigonal
Volume
207.99
ų
Cell a
6.6208
Å
Cell b
6.6208
Å
Cell c
6.6208
Å
α angle
60.60
°
β angle
60.60
°
γ angle
60.60
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2ErTlF6
K
2.00 · 20.0%
Er
1.00 · 10.0%
Tl
1.00 · 10.0%
F
6.00 · 60.0%

Energy & Stability

Energy above hull
0.0207
eV/atom
Formation energy
-3.4161
eV/atom
Corrected total energy
-51.8181
eV
Raw total energy
-51.8181
eV

Electronic Structure

Indirect band gap
4.9814
eV
Direct band gap
4.9814
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D6_393_spg12

Decomposition

K2ErF5 TlF

Computed at

2025-03-01 02:11:35

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: agm062531802).

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 agm062531802
data_agm062531802
_cell_length_a     6.62083
_cell_length_b     6.62083
_cell_length_c     6.62083
_cell_angle_alpha  60.59783
_cell_angle_beta   60.59783
_cell_angle_gamma  60.59783
_cell_volume       207.99187
_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 0.22499 0.22499 0.22499 1.00000
  K2 K 0.77501 0.77501 0.77501 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Tl1 Tl 0.50000 0.50000 0.50000 1.00000
  F1 F 0.89936 0.66977 0.18889 1.00000
  F2 F 0.66977 0.18889 0.89936 1.00000
  F3 F 0.18889 0.89936 0.66977 1.00000
  F4 F 0.33023 0.81111 0.10064 1.00000
  F5 F 0.81111 0.10064 0.33023 1.00000
  F6 F 0.10064 0.33023 0.81111 1.00000
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