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Tm2MgS4

Alexandria ALEX

Alex-ID: agm005258459 · Space group: Pnma (#62)

Alexandria Database API

Basic Information

Formula
Tm2MgS4
Alex-ID
agm005258459
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
673.47
ų
Cell a
6.4877
Å
Cell b
7.7875
Å
Cell c
13.3299
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2MgS4
Tm
8.00 · 28.6%
Mg
4.00 · 14.3%
S
16.00 · 57.1%

Energy & Stability

Energy above hull
0.0262
eV/atom
Formation energy
-2.2549
eV/atom
Corrected total energy
-171.3263
eV
Raw total energy
-160.7110
eV

Electronic Structure

Indirect band gap
2.5255
eV
Direct band gap
2.5255
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_33_spg62

Decomposition

Tm2MgS4

Computed at

2023-05-11 17:38:14.678372

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: agm005258459).

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 agm005258459
data_agm005258459
_cell_length_a     6.48771
_cell_length_b     7.78750
_cell_length_c     13.32993
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       673.46849
_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
  Tm1 Tm 0.50000 0.00000 0.00000 1.00000
  Tm2 Tm 0.00000 0.00000 0.50000 1.00000
  Tm3 Tm 0.00000 0.50000 0.50000 1.00000
  Tm4 Tm 0.50000 0.50000 0.00000 1.00000
  Tm5 Tm 0.99426 0.75000 0.23208 1.00000
  Tm6 Tm 0.00574 0.25000 0.76792 1.00000
  Tm7 Tm 0.49426 0.25000 0.26792 1.00000
  Tm8 Tm 0.50574 0.75000 0.73208 1.00000
  Mg1 Mg 0.92092 0.25000 0.09633 1.00000
  Mg2 Mg 0.07908 0.75000 0.90367 1.00000
  Mg3 Mg 0.42092 0.75000 0.40367 1.00000
  Mg4 Mg 0.57908 0.25000 0.59633 1.00000
  S1 S 0.73414 0.00650 0.17061 1.00000
  S2 S 0.26586 0.99350 0.82939 1.00000
  S3 S 0.23414 0.99350 0.32939 1.00000
  S4 S 0.76586 0.00650 0.67061 1.00000
  S5 S 0.76586 0.49350 0.67061 1.00000
  S6 S 0.23414 0.50650 0.32939 1.00000
  S7 S 0.26586 0.50650 0.82939 1.00000
  S8 S 0.73414 0.49350 0.17061 1.00000
  S9 S 0.24638 0.75000 0.07090 1.00000
  S10 S 0.75362 0.25000 0.92910 1.00000
  S11 S 0.74638 0.25000 0.42910 1.00000
  S12 S 0.25362 0.75000 0.57090 1.00000
  S13 S 0.28990 0.25000 0.09033 1.00000
  S14 S 0.71010 0.75000 0.90967 1.00000
  S15 S 0.78990 0.75000 0.40967 1.00000
  S16 S 0.21010 0.25000 0.59033 1.00000
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