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K4TmU3Te8

Alexandria ALEX

Alex-ID: agm004733992 · Space group: R-3m (#166)

Basic Information

Formula
K4TmU3Te8
Alex-ID
agm004733992
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
578.88
ų
Cell a
8.9760
Å
Cell b
9.7824
Å
Cell c
8.9759
Å
α angle
117.31
°
β angle
120.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K4TmU3Te8
K
4.00 · 25.0%
Tm
1.00 · 6.3%
U
3.00 · 18.8%
Te
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0162
eV/atom
Formation energy
-0.9667
eV/atom
Corrected total energy
-83.3456
eV
Raw total energy
-83.3456
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
22.7614
Total magnetisation
9.0056
μB

Additional Information

Prototype ID

AB3C4D8_70_spg166

Decomposition

K2(UTe2)3 U2Te K2UTe3 KTmTe2

Computed at

2023-02-12 01:45:53.019326

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: agm004733992).

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 agm004733992
data_agm004733992
_cell_length_a     8.97601
_cell_length_b     9.78238
_cell_length_c     8.97595
_cell_angle_alpha  117.31252
_cell_angle_beta   120.00022
_cell_angle_gamma  90.00000
_cell_volume       578.87868
_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 0.50000 0.00000 0.00000 1.00000
  K2 K 0.50000 0.00000 0.50000 1.00000
  K3 K 0.00000 0.00000 0.00000 1.00000
  K4 K 0.00000 0.00000 0.50000 1.00000
  Tm1 Tm 0.00000 0.50000 0.00000 1.00000
  U1 U 0.50000 0.50000 0.00000 1.00000
  U2 U 0.50000 0.50000 0.50000 1.00000
  U3 U 0.00000 0.50000 0.50000 1.00000
  Te1 Te 0.23386 0.71025 0.97643 1.00000
  Te2 Te 0.23387 0.71026 0.46774 1.00000
  Te3 Te 0.26230 0.28695 0.52460 1.00000
  Te4 Te 0.74257 0.71025 0.97643 1.00000
  Te5 Te 0.25743 0.28975 0.02357 1.00000
  Te6 Te 0.73770 0.71305 0.47540 1.00000
  Te7 Te 0.76613 0.28974 0.53226 1.00000
  Te8 Te 0.76614 0.28975 0.02357 1.00000
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