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Er4As3S

Alexandria ALEX

Alex-ID: agm006016902 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Er4As3S
Alex-ID
agm006016902
Elements
3
Sites
8
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
185.47
ų
Cell a
5.7046
Å
Cell b
5.7046
Å
Cell c
6.9823
Å
α angle
114.11
°
β angle
114.11
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er4As3S
As
3.00 · 37.5%
S
1.00 · 12.5%
Er
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0059
eV/atom
Formation energy
-1.7459
eV/atom
Corrected total energy
-50.2947
eV
Raw total energy
-49.6312
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.0817
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4_3_spg139

Decomposition

Er4As3S

Computed at

2023-10-06 17:37:17.557991

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: agm006016902).

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 agm006016902
data_agm006016902
_cell_length_a     5.70462
_cell_length_b     5.70463
_cell_length_c     6.98229
_cell_angle_alpha  114.11211
_cell_angle_beta   114.11211
_cell_angle_gamma  89.99770
_cell_volume       185.46592
_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
  As1 As 0.50000 0.50000 0.00000 1.00000
  As2 As 0.75000 0.25000 0.50000 1.00000
  As3 As 0.25000 0.75000 0.50000 1.00000
  S1 S 0.00000 0.00000 0.00000 1.00000
  Er1 Er 1.00000 0.50000 1.00000 1.00000
  Er2 Er 0.50000 1.00000 1.00000 1.00000
  Er3 Er 0.24962 0.24962 0.49923 1.00000
  Er4 Er 0.75039 0.75039 0.50078 1.00000
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