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CuAsS2

Alexandria ALEX

Alex-ID: agm002181550 · Space group: R-3 (#148)

Basic Information

Formula
CuAsS2
Alex-ID
agm002181550
Elements
3
Sites
24
Space group
R-3 (#148)
Crystal system
trigonal
Volume
539.81
ų
Cell a
8.6806
Å
Cell b
8.6805
Å
Cell c
8.6805
Å
α angle
107.33
°
β angle
107.33
°
γ angle
107.33
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CuAsS2
As
6.00 · 25.0%
S
12.00 · 50.0%
Cu
6.00 · 25.0%

Energy & Stability

Energy above hull
0.0660
eV/atom
Formation energy
-0.4401
eV/atom
Corrected total energy
-112.9494
eV
Raw total energy
-104.9879
eV

Electronic Structure

Indirect band gap
0.9598
eV
Direct band gap
1.2276
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_480_spg148

Decomposition

Cu6As4S9 As2S3

Computed at

2018-04-24 01:09:08

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: agm002181550).

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 agm002181550
data_agm002181550
_cell_length_a     8.68059
_cell_length_b     8.68052
_cell_length_c     8.68053
_cell_angle_alpha  107.32719
_cell_angle_beta   107.32690
_cell_angle_gamma  107.32520
_cell_volume       539.81221
_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 0.67082 0.58240 0.86250 1.00000
  As2 As 0.13749 0.32917 0.41759 1.00000
  As3 As 0.32918 0.41760 0.13750 1.00000
  As4 As 0.58240 0.86250 0.67082 1.00000
  As5 As 0.86251 0.67083 0.58241 1.00000
  As6 As 0.41760 0.13750 0.32918 1.00000
  S1 S 0.95672 0.66866 0.86421 1.00000
  S2 S 0.66865 0.86421 0.95671 1.00000
  S3 S 0.86423 0.95672 0.66867 1.00000
  S4 S 0.04328 0.33134 0.13579 1.00000
  S5 S 0.33135 0.13579 0.04329 1.00000
  S6 S 0.13577 0.04328 0.33133 1.00000
  S7 S 0.74157 0.57556 0.13310 1.00000
  S8 S 0.57556 0.13310 0.74157 1.00000
  S9 S 0.86690 0.25843 0.42444 1.00000
  S10 S 0.25843 0.42444 0.86690 1.00000
  S11 S 0.42444 0.86690 0.25843 1.00000
  S12 S 0.13310 0.74157 0.57556 1.00000
  Cu1 Cu 0.27899 0.00425 0.56948 1.00000
  Cu2 Cu 0.00426 0.56949 0.27899 1.00000
  Cu3 Cu 0.56949 0.27899 0.00426 1.00000
  Cu4 Cu 0.72101 0.99575 0.43052 1.00000
  Cu5 Cu 0.99574 0.43051 0.72101 1.00000
  Cu6 Cu 0.43051 0.72101 0.99574 1.00000
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