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LaSe2

Alexandria ALEX

Alex-ID: agm002018086 · Space group: C2/m (#12)

Basic Information

Formula
LaSe2
Alex-ID
agm002018086
Elements
2
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
363.90
ų
Cell a
7.6957
Å
Cell b
5.1697
Å
Cell c
9.2107
Å
α angle
90.00
°
β angle
96.75
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaSe2
La
4.00 · 33.3%
Se
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0699
eV/atom
Formation energy
-1.6933
eV/atom
Corrected total energy
-67.9541
eV
Raw total energy
-67.9541
eV

Electronic Structure

Indirect band gap
1.4259
eV
Direct band gap
1.4302
eV
DOS at Fermi level
-0.0002
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_738_spg12

Decomposition

LaSe2

Computed at

2021-11-13 05:41:36.876784

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: agm002018086).

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 agm002018086
data_agm002018086
_cell_length_a     7.69567
_cell_length_b     5.16966
_cell_length_c     9.21072
_cell_angle_alpha  90.00000
_cell_angle_beta   96.75266
_cell_angle_gamma  90.00000
_cell_volume       363.89727
_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 0.77081 0.00000 0.31472 1.00000
  La2 La 0.22919 0.00000 0.68528 1.00000
  La3 La 0.77081 0.50000 0.81472 1.00000
  La4 La 0.22919 0.50000 0.18528 1.00000
  Se1 Se 0.83685 0.00000 0.64530 1.00000
  Se2 Se 0.16315 0.00000 0.35470 1.00000
  Se3 Se 0.83685 0.50000 0.14530 1.00000
  Se4 Se 0.16315 0.50000 0.85470 1.00000
  Se5 Se 0.58019 0.00000 0.89387 1.00000
  Se6 Se 0.41981 0.00000 0.10613 1.00000
  Se7 Se 0.58019 0.50000 0.39387 1.00000
  Se8 Se 0.41981 0.50000 0.60613 1.00000
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