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Ca4Ho3AgS8

Alexandria ALEX

Alex-ID: agm004726558 · Space group: R-3m (#166)

Basic Information

Formula
Ca4Ho3AgS8
Alex-ID
agm004726558
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
352.18
ų
Cell a
7.9157
Å
Cell b
7.9376
Å
Cell c
7.9159
Å
α angle
119.91
°
β angle
120.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4Ho3AgS8
Ca
4.00 · 25.0%
Ho
3.00 · 18.8%
Ag
1.00 · 6.3%
S
8.00 · 50.0%

Energy & Stability

Energy above hull
0.1078
eV/atom
Formation energy
-2.2108
eV/atom
Corrected total energy
-92.9881
eV
Raw total energy
-87.6804
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
3.6867
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4D8_20_spg12

Decomposition

Ho3S4 CaS Ag

Computed at

2023-02-05 11:39:21.236760

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: agm004726558).

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 agm004726558
data_agm004726558
_cell_length_a     7.91569
_cell_length_b     7.93758
_cell_length_c     7.91586
_cell_angle_alpha  119.90915
_cell_angle_beta   119.99931
_cell_angle_gamma  90.00000
_cell_volume       352.17578
_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
  Ca1 Ca 0.50000 0.00000 0.00000 1.00000
  Ca2 Ca 0.50000 0.00000 0.50000 1.00000
  Ca3 Ca 0.00000 0.00000 0.00000 1.00000
  Ca4 Ca 0.00000 0.00000 0.50000 1.00000
  Ho1 Ho 0.50000 0.50000 0.00000 1.00000
  Ho2 Ho 0.50000 0.50000 0.50000 1.00000
  Ho3 Ho 0.00000 0.50000 0.50000 1.00000
  Ag1 Ag 0.00000 0.50000 0.00000 1.00000
  S1 S 0.25102 0.74349 0.99246 1.00000
  S2 S 0.25106 0.74353 0.50211 1.00000
  S3 S 0.25266 0.25796 0.50531 1.00000
  S4 S 0.74145 0.74349 0.99246 1.00000
  S5 S 0.25855 0.25651 0.00754 1.00000
  S6 S 0.74734 0.74204 0.49469 1.00000
  S7 S 0.74894 0.25647 0.49789 1.00000
  S8 S 0.74898 0.25651 0.00754 1.00000
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