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La2Hg2Pb

Alexandria ALEX

Alex-ID: agm002928166 · Space group: I4/mmm (#139)

Basic Information

Formula
La2Hg2Pb
Alex-ID
agm002928166
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
170.57
ų
Cell a
5.3550
Å
Cell b
5.3550
Å
Cell c
7.0511
Å
α angle
67.68
°
β angle
67.68
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La2Hg2Pb
Pb
1.00 · 20.0%
Hg
2.00 · 40.0%
La
2.00 · 40.0%

Energy & Stability

Energy above hull
0.3881
eV/atom
Formation energy
-0.1334
eV/atom
Corrected total energy
-14.9520
eV
Raw total energy
-14.9520
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0037
eV
DOS at Fermi level
4.7571
Total magnetisation
0.7531
μB

Additional Information

Prototype ID

AB2C2_5_spg139

Decomposition

La2Hg3Pb La3Hg5 La4Pb3

Computed at

2017-06-22 18:04:53

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: agm002928166).

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 agm002928166
data_agm002928166
_cell_length_a     5.35497
_cell_length_b     5.35497
_cell_length_c     7.05107
_cell_angle_alpha  67.68320
_cell_angle_beta   67.68320
_cell_angle_gamma  90.00000
_cell_volume       170.56586
_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
  Pb1 Pb 0.00000 0.00000 0.00000 1.00000
  Hg1 Hg 0.38751 0.38751 0.22499 1.00000
  Hg2 Hg 0.61249 0.61249 0.77501 1.00000
  La1 La 0.75000 0.25000 0.50000 1.00000
  La2 La 0.25000 0.75000 0.50000 1.00000
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