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MgZn2HgH8

Alexandria ALEX

Alex-ID: agm007409974 · Space group: C2/m (#12)

Basic Information

Formula
MgZn2HgH8
Alex-ID
agm007409974
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
133.64
ų
Cell a
5.6395
Å
Cell b
5.6395
Å
Cell c
7.0978
Å
α angle
50.71
°
β angle
50.71
°
γ angle
60.50
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgZn2HgH8
Mg
1.00 · 8.3%
Zn
2.00 · 16.7%
Hg
1.00 · 8.3%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1856
eV/atom
Formation energy
0.0717
eV/atom
Corrected total energy
-29.5698
eV
Raw total energy
-29.5698
eV

Electronic Structure

Indirect band gap
1.8198
eV
Direct band gap
2.4785
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_346_spg12

Decomposition

MgH6 MgH2 Zn HgH4

Computed at

2024-02-09 07:10:09

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: agm007409974).

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 agm007409974
data_agm007409974
_cell_length_a     5.63946
_cell_length_b     5.63946
_cell_length_c     7.09785
_cell_angle_alpha  50.71144
_cell_angle_beta   50.71144
_cell_angle_gamma  60.50384
_cell_volume       133.63873
_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
  Mg1 Mg 0.00000 0.00000 0.50000 1.00000
  Zn1 Zn 0.42871 0.42871 0.32145 1.00000
  Zn2 Zn 0.57129 0.57129 0.67855 1.00000
  Hg1 Hg 0.00000 0.00000 0.00000 1.00000
  H1 H 0.25245 0.25245 0.70775 1.00000
  H2 H 0.29124 0.29124 0.26628 1.00000
  H3 H 0.74755 0.74755 0.29225 1.00000
  H4 H 0.28912 0.78711 0.26961 1.00000
  H5 H 0.71088 0.21289 0.73039 1.00000
  H6 H 0.78711 0.28912 0.26961 1.00000
  H7 H 0.21289 0.71088 0.73039 1.00000
  H8 H 0.70876 0.70876 0.73372 1.00000
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