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Hf2HgI

Alexandria ALEX

Alex-ID: agm002840486 · Space group: I-42d (#122)

Basic Information

Formula
Hf2HgI
Alex-ID
agm002840486
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
205.82
ų
Cell a
4.4399
Å
Cell b
4.4399
Å
Cell c
10.9029
Å
α angle
78.25
°
β angle
78.25
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2HgI
I
2.00 · 25.0%
Hf
4.00 · 50.0%
Hg
2.00 · 25.0%

Energy & Stability

Energy above hull
0.8193
eV/atom
Formation energy
0.4669
eV/atom
Corrected total energy
-39.9008
eV
Raw total energy
-39.9008
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0088
eV
DOS at Fermi level
8.2198
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_234_spg122

Decomposition

Hf2Hg Hg HfI3

Computed at

2017-01-25 13:10:55

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: agm002840486).

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 agm002840486
data_agm002840486
_cell_length_a     4.43986
_cell_length_b     4.43986
_cell_length_c     10.90286
_cell_angle_alpha  78.25186
_cell_angle_beta   78.25186
_cell_angle_gamma  90.00000
_cell_volume       205.81866
_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
  I1 I 0.50000 0.50000 0.00000 1.00000
  I2 I 0.25000 0.75000 0.50000 1.00000
  Hf1 Hf 0.63090 0.12500 0.25000 1.00000
  Hf2 Hf 0.11910 0.62500 0.25000 1.00000
  Hf3 Hf 0.37500 0.36910 0.75000 1.00000
  Hf4 Hf 0.87500 0.88090 0.75000 1.00000
  Hg1 Hg 0.00000 0.00000 0.00000 1.00000
  Hg2 Hg 0.75000 0.25000 0.50000 1.00000
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