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Li4MgSi2S7

Alexandria ALEX

Alex-ID: agm020144151 · Space group: Cc (#9)

Basic Information

Formula
Li4MgSi2S7
Alex-ID
agm020144151
Elements
4
Sites
28
Space group
Cc (#9)
Crystal system
monoclinic
Volume
569.36
ų
Cell a
9.0382
Å
Cell b
9.0382
Å
Cell c
10.1742
Å
α angle
85.11
°
β angle
85.11
°
γ angle
43.47
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li4MgSi2S7
Li
8.00 · 28.6%
Mg
2.00 · 7.1%
Si
4.00 · 14.3%
S
14.00 · 50.0%

Energy & Stability

Energy above hull
0.0003
eV/atom
Formation energy
-1.4579
eV/atom
Corrected total energy
-138.7975
eV
Raw total energy
-129.5091
eV

Electronic Structure

Indirect band gap
3.5744
eV
Direct band gap
3.5771
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4D7_12_spg9

Decomposition

Li4MgSi2S7

Computed at

2024-10-27 02:16:02.778853

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: agm020144151).

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 agm020144151
data_agm020144151
_cell_length_a     9.03819
_cell_length_b     9.03819
_cell_length_c     10.17420
_cell_angle_alpha  85.11101
_cell_angle_beta   85.11101
_cell_angle_gamma  43.46866
_cell_volume       569.36288
_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 0.27850 0.55881 0.29500 1.00000
  Li2 Li 0.55881 0.27850 0.79500 1.00000
  Li3 Li 0.67605 0.02684 0.13670 1.00000
  Li4 Li 0.02684 0.67605 0.63670 1.00000
  Li5 Li 0.30902 0.97551 0.22262 1.00000
  Li6 Li 0.97551 0.30902 0.72262 1.00000
  Li7 Li 0.52864 0.89629 0.85518 1.00000
  Li8 Li 0.89629 0.52864 0.35518 1.00000
  Mg1 Mg 0.16943 0.81152 0.94691 1.00000
  Mg2 Mg 0.81152 0.16943 0.44691 1.00000
  Si1 Si 0.11311 0.44994 0.01662 1.00000
  Si2 Si 0.44994 0.11311 0.51662 1.00000
  Si3 Si 0.74533 0.39552 0.08302 1.00000
  Si4 Si 0.39552 0.74533 0.58302 1.00000
  S1 S 0.85048 0.50559 0.93891 1.00000
  S2 S 0.50559 0.85048 0.43891 1.00000
  S3 S 0.41203 0.66592 0.13004 1.00000
  S4 S 0.66592 0.41203 0.63004 1.00000
  S5 S 0.91995 0.27386 0.25818 1.00000
  S6 S 0.27386 0.91995 0.75818 1.00000
  S7 S 0.79089 0.16219 0.98920 1.00000
  S8 S 0.16219 0.79089 0.48920 1.00000
  S9 S 0.99337 0.64456 0.17949 1.00000
  S10 S 0.64456 0.99337 0.67949 1.00000
  S11 S 0.38089 0.11607 0.04704 1.00000
  S12 S 0.11607 0.38089 0.54704 1.00000
  S13 S 0.17579 0.56763 0.85412 1.00000
  S14 S 0.56763 0.17579 0.35412 1.00000
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