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Er2Sc4S9

Alexandria ALEX

Alex-ID: agm005642991 · Space group: P-3c1 (#165)

Basic Information

Formula
Er2Sc4S9
Alex-ID
agm005642991
Elements
3
Sites
30
Space group
P-3c1 (#165)
Crystal system
trigonal
Volume
674.03
ų
Cell a
6.5940
Å
Cell b
6.5942
Å
Cell c
17.8987
Å
α angle
90.00
°
β angle
90.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2Sc4S9
Er
4.00 · 13.3%
Sc
8.00 · 26.7%
S
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0437
eV/atom
Formation energy
-2.3283
eV/atom
Corrected total energy
-213.0470
eV
Raw total energy
-201.1048
eV

Electronic Structure

Indirect band gap
1.8416
eV
Direct band gap
1.9471
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B4C9_141_spg2

Decomposition

Sc2S3 Er2S3

Computed at

2023-06-17 00:49:31.424691

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: agm005642991).

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 agm005642991
data_agm005642991
_cell_length_a     6.59403
_cell_length_b     6.59420
_cell_length_c     17.89872
_cell_angle_alpha  90.00022
_cell_angle_beta   90.00474
_cell_angle_gamma  60.00337
_cell_volume       674.03155
_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
  Er1 Er 0.99961 0.00016 0.35052 1.00000
  Er2 Er 0.99969 0.99989 0.14944 1.00000
  Er3 Er 0.00039 0.99984 0.64948 1.00000
  Er4 Er 0.00031 0.00011 0.85056 1.00000
  Sc1 Sc 0.33338 0.33337 0.98840 1.00000
  Sc2 Sc 0.33328 0.33335 0.48840 1.00000
  Sc3 Sc 0.66662 0.66663 0.01160 1.00000
  Sc4 Sc 0.33291 0.33335 0.18053 1.00000
  Sc5 Sc 0.66672 0.66665 0.51160 1.00000
  Sc6 Sc 0.66625 0.66671 0.31946 1.00000
  Sc7 Sc 0.33375 0.33329 0.68054 1.00000
  Sc8 Sc 0.66709 0.66665 0.81947 1.00000
  S1 S 0.00034 0.31590 0.75000 1.00000
  S2 S 0.31620 0.68402 0.75005 1.00000
  S3 S 0.68447 0.99997 0.75001 1.00000
  S4 S 0.99966 0.68410 0.25000 1.00000
  S5 S 0.68380 0.31598 0.24995 1.00000
  S6 S 0.31553 0.00003 0.24999 1.00000
  S7 S 0.64944 0.97617 0.41692 1.00000
  S8 S 0.97593 0.37422 0.41694 1.00000
  S9 S 0.37380 0.64999 0.41700 1.00000
  S10 S 0.62550 0.02385 0.08309 1.00000
  S11 S 0.35012 0.62583 0.08305 1.00000
  S12 S 0.02383 0.34993 0.08295 1.00000
  S13 S 0.35056 0.02383 0.58308 1.00000
  S14 S 0.02407 0.62578 0.58306 1.00000
  S15 S 0.62620 0.35001 0.58300 1.00000
  S16 S 0.37450 0.97615 0.91691 1.00000
  S17 S 0.64988 0.37417 0.91695 1.00000
  S18 S 0.97617 0.65007 0.91705 1.00000
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