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Fe2S9

Alexandria ALEX

Alex-ID: agm007757872 · Space group: P-1 (#2)

Basic Information

Formula
Fe2S9
Alex-ID
agm007757872
Elements
2
Sites
22
Space group
P-1 (#2)
Crystal system
triclinic
Volume
598.17
ų
Cell a
8.2645
Å
Cell b
9.9989
Å
Cell c
8.8311
Å
α angle
83.36
°
β angle
114.09
°
γ angle
115.78
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Fe2S9
Fe
4.00 · 18.2%
S
18.00 · 81.8%

Energy & Stability

Energy above hull
0.1587
eV/atom
Formation energy
-0.5619
eV/atom
Corrected total energy
-120.5064
eV
Raw total energy
-108.5641
eV

Electronic Structure

Indirect band gap
0.0726
eV
Direct band gap
0.1326
eV
DOS at Fermi level
7.1831
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B9_45_spg2

Decomposition

FeS11 FeS2

Computed at

2024-05-06 03:00:39.901029

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: agm007757872).

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 agm007757872
data_agm007757872
_cell_length_a     8.26447
_cell_length_b     9.99891
_cell_length_c     8.83108
_cell_angle_alpha  83.36332
_cell_angle_beta   114.08964
_cell_angle_gamma  115.78376
_cell_volume       598.17280
_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
  Fe1 Fe 0.96043 0.39394 0.09527 1.00000
  Fe2 Fe 0.04957 0.08554 0.39596 1.00000
  Fe3 Fe 0.03957 0.60606 0.90473 1.00000
  Fe4 Fe 0.95043 0.91446 0.60404 1.00000
  S1 S 0.75012 0.33212 0.38322 1.00000
  S2 S 0.40280 0.35176 0.34220 1.00000
  S3 S 0.27559 0.65080 0.84806 1.00000
  S4 S 0.69755 0.87354 0.63864 1.00000
  S5 S 0.72441 0.34920 0.15194 1.00000
  S6 S 0.30245 0.12646 0.36136 1.00000
  S7 S 0.14738 0.15427 0.65060 1.00000
  S8 S 0.16133 0.62277 0.18204 1.00000
  S9 S 0.85262 0.84573 0.34940 1.00000
  S10 S 0.83867 0.37723 0.81796 1.00000
  S11 S 0.25254 0.01210 0.79723 1.00000
  S12 S 0.03727 0.76341 0.06049 1.00000
  S13 S 0.74746 0.98790 0.20277 1.00000
  S14 S 0.96273 0.23659 0.93951 1.00000
  S15 S 0.59720 0.64824 0.65780 1.00000
  S16 S 0.24988 0.66788 0.61677 1.00000
  S17 S 0.12636 0.32508 0.33641 1.00000
  S18 S 0.87364 0.67492 0.66359 1.00000
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