Navigation

HEAS Data Platform · Materials Science Database

Li4SmAg8

Alexandria ALEX

Alex-ID: agm003672080 · Space group: I4/mmm (#139)

Basic Information

Formula
Li4SmAg8
Alex-ID
agm003672080
Elements
3
Sites
13
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
232.09
ų
Cell a
5.2417
Å
Cell b
7.1516
Å
Cell c
7.1516
Å
α angle
82.28
°
β angle
68.50
°
γ angle
68.50
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li4SmAg8
Li
4.00 · 30.8%
Sm
1.00 · 7.7%
Ag
8.00 · 61.5%

Energy & Stability

Energy above hull
0.0420
eV/atom
Formation energy
-0.1791
eV/atom
Corrected total energy
-37.5166
eV
Raw total energy
-37.5166
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.5011
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C8_2_spg139

Decomposition

Li3Ag8 Sm14Ag51 LiAg

Computed at

2022-04-20 21:53:04.950076

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: agm003672080).

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 agm003672080
data_agm003672080
_cell_length_a     5.24172
_cell_length_b     7.15165
_cell_length_c     7.15165
_cell_angle_alpha  82.28186
_cell_angle_beta   68.50195
_cell_angle_gamma  68.50195
_cell_volume       232.08845
_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 0.00000 0.00000 0.50000 1.00000
  Li2 Li 0.50000 0.00000 0.50000 1.00000
  Li3 Li 0.00000 0.50000 0.00000 1.00000
  Li4 Li 0.50000 0.50000 0.00000 1.00000
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
  Ag1 Ag 0.00000 0.34858 0.65142 1.00000
  Ag2 Ag 0.00000 0.65142 0.34858 1.00000
  Ag3 Ag 0.34858 0.65142 0.65142 1.00000
  Ag4 Ag 0.65142 0.34858 0.34858 1.00000
  Ag5 Ag 0.50000 0.78242 0.21758 1.00000
  Ag6 Ag 0.50000 0.21758 0.78242 1.00000
  Ag7 Ag 0.28242 0.21758 0.21758 1.00000
  Ag8 Ag 0.71758 0.78242 0.78242 1.00000
Get direct link