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K3Tb2SmTe6

Alexandria ALEX

Alex-ID: agm034982976 · Space group: C2/m (#12)

Basic Information

Formula
K3Tb2SmTe6
Alex-ID
agm034982976
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
440.30
ų
Cell a
10.7680
Å
Cell b
10.7680
Å
Cell c
9.7677
Å
α angle
71.25
°
β angle
108.75
°
γ angle
155.69
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3Tb2SmTe6
K
3.00 · 25.0%
Tb
2.00 · 16.7%
Sm
1.00 · 8.3%
Te
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0005
eV/atom
Formation energy
-1.4037
eV/atom
Corrected total energy
-52.9898
eV
Raw total energy
-52.9898
eV

Electronic Structure

Indirect band gap
1.2660
eV
Direct band gap
1.3883
eV
DOS at Fermi level
-0.0003
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_598_spg1

Decomposition

K3Tb(SmTe3)2 KTbTe2

Computed at

2024-12-21 19:02:11

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: agm034982976).

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 agm034982976
data_agm034982976
_cell_length_a     10.76803
_cell_length_b     10.76803
_cell_length_c     9.76766
_cell_angle_alpha  71.24829
_cell_angle_beta   108.75171
_cell_angle_gamma  155.69094
_cell_volume       440.30141
_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 0.50000 0.00000 1.00000
  K2 K 0.83389 0.16611 0.66729 1.00000
  K3 K 0.16611 0.83389 0.33271 1.00000
  Tb1 Tb 0.83275 0.16725 0.16591 1.00000
  Tb2 Tb 0.16725 0.83275 0.83409 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  Te1 Te 0.34080 0.65920 0.39215 1.00000
  Te2 Te 0.67575 0.32425 0.06010 1.00000
  Te3 Te 0.65920 0.34080 0.60785 1.00000
  Te4 Te 0.00989 0.99011 0.73155 1.00000
  Te5 Te 0.99011 0.00989 0.26845 1.00000
  Te6 Te 0.32425 0.67575 0.93990 1.00000
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