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Hg2AuSe2

Alexandria ALEX

Alex-ID: agm003016124 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Hg2AuSe2
Alex-ID
agm003016124
Elements
3
Sites
10
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
256.49
ų
Cell a
7.6573
Å
Cell b
7.6573
Å
Cell c
4.3743
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hg2AuSe2
Au
2.00 · 20.0%
Hg
4.00 · 40.0%
Se
4.00 · 40.0%

Energy & Stability

Energy above hull
0.2361
eV/atom
Formation energy
0.0924
eV/atom
Corrected total energy
-21.0372
eV
Raw total energy
-21.0372
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0061
eV
DOS at Fermi level
3.6191
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_120_spg127

Decomposition

Au HgSe

Computed at

2017-06-28 20:13:33

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: agm003016124).

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 agm003016124
data_agm003016124
_cell_length_a     7.65730
_cell_length_b     7.65730
_cell_length_c     4.37434
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       256.48641
_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
  Au1 Au 0.00000 0.00000 0.00000 1.00000
  Au2 Au 0.50000 0.50000 0.00000 1.00000
  Hg1 Hg 0.12559 0.62559 0.50000 1.00000
  Hg2 Hg 0.62559 0.87441 0.50000 1.00000
  Hg3 Hg 0.87441 0.37441 0.50000 1.00000
  Hg4 Hg 0.37441 0.12559 0.50000 1.00000
  Se1 Se 0.27636 0.77636 0.00000 1.00000
  Se2 Se 0.77636 0.72364 0.00000 1.00000
  Se3 Se 0.72364 0.22364 0.00000 1.00000
  Se4 Se 0.22364 0.27636 0.00000 1.00000
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