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Ac2SiS5

Alexandria ALEX

Alex-ID: agm045196579 · Space group: Pnma (#62)

Basic Information

Formula
Ac2SiS5
Alex-ID
agm045196579
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
836.68
ų
Cell a
8.1646
Å
Cell b
8.5416
Å
Cell c
11.9974
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2SiS5
Ac
8.00 · 25.0%
Si
4.00 · 12.5%
S
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0453
eV/atom
Formation energy
-2.0260
eV/atom
Corrected total energy
-201.9421
eV
Raw total energy
-188.6729
eV

Electronic Structure

Indirect band gap
1.8709
eV
Direct band gap
1.8709
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

AB2C5_36_spg62

Decomposition

Ac2SiS5

Computed at

2024-12-23 18:58:49

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: agm045196579).

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 agm045196579
data_agm045196579
_cell_length_a     8.16458
_cell_length_b     8.54164
_cell_length_c     11.99739
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       836.68433
_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
  Ac1 Ac 0.47873 0.50253 0.69204 1.00000
  Ac2 Ac 0.52127 0.49747 0.30796 1.00000
  Ac3 Ac 0.97873 0.49747 0.80796 1.00000
  Ac4 Ac 0.52127 0.00253 0.30796 1.00000
  Ac5 Ac 0.02127 0.50253 0.19204 1.00000
  Ac6 Ac 0.47873 0.99747 0.69204 1.00000
  Ac7 Ac 0.02127 0.99747 0.19204 1.00000
  Ac8 Ac 0.97873 0.00253 0.80796 1.00000
  Si1 Si 0.73604 0.25000 0.01078 1.00000
  Si2 Si 0.26396 0.75000 0.98922 1.00000
  Si3 Si 0.23604 0.75000 0.48922 1.00000
  Si4 Si 0.76396 0.25000 0.51078 1.00000
  S1 S 0.00228 0.25000 0.00407 1.00000
  S2 S 0.99772 0.75000 0.99593 1.00000
  S3 S 0.50228 0.75000 0.49593 1.00000
  S4 S 0.49772 0.25000 0.50407 1.00000
  S5 S 0.31909 0.96843 0.91940 1.00000
  S6 S 0.68091 0.03157 0.08060 1.00000
  S7 S 0.81909 0.03157 0.58060 1.00000
  S8 S 0.68091 0.46843 0.08060 1.00000
  S9 S 0.18091 0.96843 0.41940 1.00000
  S10 S 0.31909 0.53157 0.91940 1.00000
  S11 S 0.18091 0.53157 0.41940 1.00000
  S12 S 0.81909 0.46843 0.58060 1.00000
  S13 S 0.20753 0.25000 0.72185 1.00000
  S14 S 0.79247 0.75000 0.27815 1.00000
  S15 S 0.70753 0.75000 0.77815 1.00000
  S16 S 0.29247 0.25000 0.22185 1.00000
  S17 S 0.68964 0.25000 0.82917 1.00000
  S18 S 0.31036 0.75000 0.17083 1.00000
  S19 S 0.18964 0.75000 0.67083 1.00000
  S20 S 0.81036 0.25000 0.32917 1.00000
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