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Sr20(Ga3Hg)3

Alexandria ALEX

Alex-ID: agm008497635 · Space group: P422 (#89)

Basic Information

Formula
Sr20(Ga3Hg)3
Alex-ID
agm008497635
Elements
3
Sites
32
Space group
P422 (#89)
Crystal system
tetragonal
Volume
1,163.59
ų
Cell a
8.3673
Å
Cell b
8.3673
Å
Cell c
16.6201
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr20(Ga3Hg)3
Sr
20.00 · 62.5%
Ga
9.00 · 28.1%
Hg
3.00 · 9.4%

Energy & Stability

Energy above hull
0.0119
eV/atom
Formation energy
-0.3366
eV/atom
Corrected total energy
-72.9088
eV
Raw total energy
-72.9088
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
34.3388
Total magnetisation
-0.0004
μB

Additional Information

Prototype ID

A3B9C20_7_spg89

Decomposition

Sr4Hg3 Sr8Ga7 Sr

Computed at

2025-02-27 06:31:01

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: agm008497635).

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 agm008497635
data_agm008497635
_cell_length_a     8.36725
_cell_length_b     8.36725
_cell_length_c     16.62014
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1163.59115
_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
  Sr1 Sr 0.67984 0.17114 0.10551 1.00000
  Sr2 Sr 0.17520 0.67445 0.60849 1.00000
  Sr3 Sr 0.32016 0.82886 0.10551 1.00000
  Sr4 Sr 0.82480 0.32555 0.60849 1.00000
  Sr5 Sr 0.82886 0.67984 0.10551 1.00000
  Sr6 Sr 0.32555 0.17520 0.60849 1.00000
  Sr7 Sr 0.17114 0.32016 0.10551 1.00000
  Sr8 Sr 0.67445 0.82480 0.60849 1.00000
  Sr9 Sr 0.82886 0.32016 0.89449 1.00000
  Sr10 Sr 0.32555 0.82480 0.39151 1.00000
  Sr11 Sr 0.17114 0.67984 0.89449 1.00000
  Sr12 Sr 0.67445 0.17520 0.39151 1.00000
  Sr13 Sr 0.67984 0.82886 0.89449 1.00000
  Sr14 Sr 0.17520 0.32555 0.39151 1.00000
  Sr15 Sr 0.32016 0.17114 0.89449 1.00000
  Sr16 Sr 0.82480 0.67445 0.39151 1.00000
  Sr17 Sr 0.50000 0.50000 0.75425 1.00000
  Sr18 Sr 0.00000 0.00000 0.24879 1.00000
  Sr19 Sr 0.00000 0.00000 0.75121 1.00000
  Sr20 Sr 0.50000 0.50000 0.24575 1.00000
  Ga1 Ga 0.60710 0.10722 0.75144 1.00000
  Ga2 Ga 0.10722 0.60710 0.24856 1.00000
  Ga3 Ga 0.89278 0.39290 0.24856 1.00000
  Ga4 Ga 0.39290 0.89278 0.75144 1.00000
  Ga5 Ga 0.89278 0.60710 0.75144 1.00000
  Ga6 Ga 0.39290 0.10722 0.24856 1.00000
  Ga7 Ga 0.10722 0.39290 0.75144 1.00000
  Ga8 Ga 0.60710 0.89278 0.24856 1.00000
  Ga9 Ga 0.00000 0.00000 0.00000 1.00000
  Hg1 Hg 0.50000 0.50000 0.50000 1.00000
  Hg2 Hg 0.50000 0.50000 0.00000 1.00000
  Hg3 Hg 0.00000 0.00000 0.50000 1.00000
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