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LaTm2ScSe6

Alexandria ALEX

Alex-ID: agm004958656 · Space group: R3 (#146)

Basic Information

Formula
LaTm2ScSe6
Alex-ID
agm004958656
Elements
4
Sites
10
Space group
R3 (#146)
Crystal system
trigonal
Volume
284.57
ų
Cell a
7.1685
Å
Cell b
7.1687
Å
Cell c
7.6174
Å
α angle
61.92
°
β angle
61.93
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaTm2ScSe6
La
1.00 · 10.0%
Tm
2.00 · 20.0%
Sc
1.00 · 10.0%
Se
6.00 · 60.0%

Energy & Stability

Energy above hull
0.0711
eV/atom
Formation energy
-1.8071
eV/atom
Corrected total energy
-59.2170
eV
Raw total energy
-59.2170
eV

Electronic Structure

Indirect band gap
1.8305
eV
Direct band gap
1.9244
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D6_266_spg146

Decomposition

LaScSe3 Tm2Se3

Computed at

2022-08-02 11:35:21.124481

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: agm004958656).

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 agm004958656
data_agm004958656
_cell_length_a     7.16850
_cell_length_b     7.16865
_cell_length_c     7.61738
_cell_angle_alpha  61.92368
_cell_angle_beta   61.92684
_cell_angle_gamma  59.99755
_cell_volume       284.57132
_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
  La1 La 0.80946 0.80948 0.57151 1.00000
  Tm1 Tm 0.51760 0.51758 0.44726 1.00000
  Tm2 Tm 0.00951 0.00956 0.97145 1.00000
  Sc1 Sc 0.32213 0.32211 0.03359 1.00000
  Se1 Se 0.59674 0.22949 0.24494 1.00000
  Se2 Se 0.22945 0.92883 0.24498 1.00000
  Se3 Se 0.92889 0.59672 0.24502 1.00000
  Se4 Se 0.38507 0.72178 0.75213 1.00000
  Se5 Se 0.72178 0.14093 0.75218 1.00000
  Se6 Se 0.14098 0.38512 0.75214 1.00000
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