Navigation

HEAS Data Platform · Materials Science Database

Ac4Ge2AsS

Alexandria ALEX

Alex-ID: agm004810554 · Space group: P2/m (#10)

Alexandria Database API

Basic Information

Formula
Ac4Ge2AsS
Alex-ID
agm004810554
Elements
4
Sites
8
Space group
P2/m (#10)
Crystal system
monoclinic
Volume
263.19
ų
Cell a
4.4857
Å
Cell b
7.7780
Å
Cell c
7.9789
Å
α angle
109.02
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac4Ge2AsS
Ac
4.00 · 50.0%
Ge
2.00 · 25.0%
As
1.00 · 12.5%
S
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0693
eV/atom
Formation energy
-1.2744
eV/atom
Corrected total energy
-44.6408
eV
Raw total energy
-43.9773
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.0926
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

ABC2D4_343_spg10

Decomposition

AcGe Ac2GeS Ac6As5S

Computed at

2022-07-19 15:33:22.544957

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: agm004810554).

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 agm004810554
data_agm004810554
_cell_length_a     4.48567
_cell_length_b     7.77797
_cell_length_c     7.97890
_cell_angle_alpha  109.01711
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       263.18562
_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 0.50000 0.24879 0.24695 1.00000
  Ac2 Ac 0.50000 0.75121 0.75305 1.00000
  Ac3 Ac 0.00000 0.25137 0.75410 1.00000
  Ac4 Ac 0.00000 0.74863 0.24590 1.00000
  Ge1 Ge 0.50000 0.00000 0.50000 1.00000
  Ge2 Ge 0.00000 0.50000 0.50000 1.00000
  As1 As 0.50000 0.50000 0.00000 1.00000
  S1 S 0.00000 0.00000 0.00000 1.00000
Get direct link