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Li2PmSi2

Alexandria ALEX

Alex-ID: agm045396956 · Space group: I4/mmm (#139)

Basic Information

Formula
Li2PmSi2
Alex-ID
agm045396956
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
93.91
ų
Cell a
4.0989
Å
Cell b
4.0989
Å
Cell c
6.2958
Å
α angle
71.01
°
β angle
108.99
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li2PmSi2
Li
2.00 · 40.0%
Pm
1.00 · 20.0%
Si
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0340
eV/atom
Formation energy
-0.4826
eV/atom
Corrected total energy
-21.8375
eV
Raw total energy
-21.8375
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.0065
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_5_spg139

Decomposition

Li2Pm2Si3 LiPmSi2 Li5Si2

Computed at

2025-04-16 15:55:07

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: agm045396956).

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 agm045396956
data_agm045396956
_cell_length_a     4.09893
_cell_length_b     4.09893
_cell_length_c     6.29582
_cell_angle_alpha  71.00651
_cell_angle_beta   108.99349
_cell_angle_gamma  90.00297
_cell_volume       93.90784
_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
  Li1 Li 0.75070 0.75070 0.50000 1.00000
  Li2 Li 0.24930 0.24930 0.50000 1.00000
  Pm1 Pm 0.00000 0.00000 0.00000 1.00000
  Si1 Si 0.39559 0.60441 0.79067 1.00000
  Si2 Si 0.60441 0.39559 0.20933 1.00000
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