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Mg2AgGeS4

Alexandria ALEX

Alex-ID: agm004852145 · Space group: I-42m (#121)

Alexandria Database API

Basic Information

Formula
Mg2AgGeS4
Alex-ID
agm004852145
Elements
4
Sites
8
Space group
I-42m (#121)
Crystal system
tetragonal
Volume
188.77
ų
Cell a
5.8373
Å
Cell b
5.8373
Å
Cell c
6.9071
Å
α angle
114.97
°
β angle
114.97
°
γ angle
90.06
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2AgGeS4
Mg
2.00 · 25.0%
Ag
1.00 · 12.5%
Ge
1.00 · 12.5%
S
4.00 · 50.0%

Energy & Stability

Energy above hull
0.1331
eV/atom
Formation energy
-1.0641
eV/atom
Corrected total energy
-35.6803
eV
Raw total energy
-33.0264
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0006
eV
DOS at Fermi level
5.0161
Total magnetisation
0.0023
μB

Additional Information

Prototype ID

ABC2D4_409_spg121

Decomposition

Mg2GeS4 Ag

Computed at

2022-07-17 02:21:48.127723

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: agm004852145).

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 agm004852145
data_agm004852145
_cell_length_a     5.83734
_cell_length_b     5.83734
_cell_length_c     6.90706
_cell_angle_alpha  114.96662
_cell_angle_beta   114.96662
_cell_angle_gamma  90.06407
_cell_volume       188.76566
_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
  Mg1 Mg 0.75009 0.25009 0.50017 1.00000
  Mg2 Mg 0.25009 0.75009 0.50017 1.00000
  Ag1 Ag 0.00014 0.00014 0.00029 1.00000
  Ge1 Ge 0.50014 0.50014 0.00028 1.00000
  S1 S 0.61328 0.61328 0.74625 1.00000
  S2 S 0.38639 0.86720 0.25358 1.00000
  S3 S 0.86720 0.38639 0.25358 1.00000
  S4 S 0.13297 0.13297 0.74625 1.00000
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