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La2MgS4

Alexandria ALEX

Alex-ID: agm005234772 · Space group: Pnma (#62)

Alexandria Database API

Basic Information

Formula
La2MgS4
Alex-ID
agm005234772
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
761.14
ų
Cell a
4.0411
Å
Cell b
13.2460
Å
Cell c
14.2191
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2MgS4
La
8.00 · 28.6%
Mg
4.00 · 14.3%
S
16.00 · 57.1%

Energy & Stability

Energy above hull
0.1259
eV/atom
Formation energy
-2.2348
eV/atom
Corrected total energy
-174.4113
eV
Raw total energy
-163.7959
eV

Electronic Structure

Indirect band gap
2.2402
eV
Direct band gap
2.3650
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_80_spg62

Decomposition

La2S3 MgS

Computed at

2023-05-11 17:43:49.161700

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: agm005234772).

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 agm005234772
data_agm005234772
_cell_length_a     4.04115
_cell_length_b     13.24598
_cell_length_c     14.21915
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       761.13636
_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 0.25000 0.62601 0.57135 1.00000
  La2 La 0.75000 0.37399 0.42865 1.00000
  La3 La 0.75000 0.87399 0.07135 1.00000
  La4 La 0.25000 0.12601 0.92865 1.00000
  La5 La 0.25000 0.62470 0.20861 1.00000
  La6 La 0.75000 0.37530 0.79139 1.00000
  La7 La 0.75000 0.87530 0.70861 1.00000
  La8 La 0.25000 0.12470 0.29139 1.00000
  Mg1 Mg 0.75000 0.60446 0.96688 1.00000
  Mg2 Mg 0.25000 0.39554 0.03312 1.00000
  Mg3 Mg 0.25000 0.89554 0.46688 1.00000
  Mg4 Mg 0.75000 0.10446 0.53312 1.00000
  S1 S 0.75000 0.49695 0.11216 1.00000
  S2 S 0.25000 0.50305 0.88784 1.00000
  S3 S 0.25000 0.00305 0.61216 1.00000
  S4 S 0.75000 0.99695 0.38784 1.00000
  S5 S 0.25000 0.52009 0.38796 1.00000
  S6 S 0.75000 0.47991 0.61204 1.00000
  S7 S 0.75000 0.97991 0.88796 1.00000
  S8 S 0.25000 0.02009 0.11204 1.00000
  S9 S 0.25000 0.73716 0.73979 1.00000
  S10 S 0.75000 0.26284 0.26021 1.00000
  S11 S 0.75000 0.76284 0.23979 1.00000
  S12 S 0.25000 0.23716 0.76021 1.00000
  S13 S 0.75000 0.77493 0.51691 1.00000
  S14 S 0.25000 0.22507 0.48309 1.00000
  S15 S 0.25000 0.72507 0.01691 1.00000
  S16 S 0.75000 0.27493 0.98309 1.00000
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