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La2HoTmSe5

Alexandria ALEX

Alex-ID: agm005173555 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
La2HoTmSe5
Alex-ID
agm005173555
Elements
4
Sites
9
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
276.13
ų
Cell a
5.0800
Å
Cell b
5.0800
Å
Cell c
10.7001
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2HoTmSe5
La
2.00 · 22.2%
Ho
1.00 · 11.1%
Tm
1.00 · 11.1%
Se
5.00 · 55.6%

Energy & Stability

Energy above hull
0.4967
eV/atom
Formation energy
-1.4411
eV/atom
Corrected total energy
-49.3274
eV
Raw total energy
-49.3274
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.2142
Total magnetisation
-0.4562
μB

Additional Information

Prototype ID

ABC2D5_388_spg123

Decomposition

Ho3Se4 La4(TmSe2)11 La4(HoSe2)11 LaSe

Computed at

2023-01-19 13:54:21.926097

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: agm005173555).

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 agm005173555
data_agm005173555
_cell_length_a     5.07997
_cell_length_b     5.07997
_cell_length_c     10.70009
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       276.12740
_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 0.50000 0.50000 0.29859 1.00000
  La2 La 0.50000 0.50000 0.70141 1.00000
  Ho1 Ho 0.00000 0.00000 0.00000 1.00000
  Tm1 Tm 0.00000 0.00000 0.50000 1.00000
  Se1 Se 0.00000 0.50000 0.50000 1.00000
  Se2 Se 0.50000 0.00000 0.50000 1.00000
  Se3 Se 0.00000 0.00000 0.75465 1.00000
  Se4 Se 0.00000 0.00000 0.24535 1.00000
  Se5 Se 0.50000 0.50000 0.00000 1.00000
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