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Pm12BeHg4

Alexandria ALEX

Alex-ID: agm099453024 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Pm12BeHg4
Alex-ID
agm099453024
Elements
3
Sites
17
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
500.20
ų
Cell a
9.9315
Å
Cell b
9.9315
Å
Cell c
5.0712
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm12BeHg4
Pm
12.00 · 70.6%
Be
1.00 · 5.9%
Hg
4.00 · 23.5%

Energy & Stability

Energy above hull
0.1945
eV/atom
Formation energy
-0.0391
eV/atom
Corrected total energy
-62.8427
eV
Raw total energy
-62.8427
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0045
eV
DOS at Fermi level
28.9984
Total magnetisation
0.0007
μB

Additional Information

Prototype ID

AB4C12_333_spg123

Decomposition

PmBe13 Pm2Hg Pm

Computed at

2025-04-13 06:10:37

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: agm099453024).

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 agm099453024
data_agm099453024
_cell_length_a     9.93147
_cell_length_b     9.93147
_cell_length_c     5.07124
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       500.19724
_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
  Pm1 Pm 0.00000 0.73432 0.50000 1.00000
  Pm2 Pm 0.50000 0.74432 0.50000 1.00000
  Pm3 Pm 0.00000 0.26568 0.50000 1.00000
  Pm4 Pm 0.50000 0.25568 0.50000 1.00000
  Pm5 Pm 0.73432 0.00000 0.50000 1.00000
  Pm6 Pm 0.26568 0.00000 0.50000 1.00000
  Pm7 Pm 0.74432 0.50000 0.50000 1.00000
  Pm8 Pm 0.25568 0.50000 0.50000 1.00000
  Pm9 Pm 0.00000 0.00000 0.00000 1.00000
  Pm10 Pm 0.50000 0.00000 0.00000 1.00000
  Pm11 Pm 0.00000 0.50000 0.00000 1.00000
  Pm12 Pm 0.50000 0.50000 0.00000 1.00000
  Be1 Be 0.00000 0.00000 0.50000 1.00000
  Hg1 Hg 0.74609 0.74609 0.00000 1.00000
  Hg2 Hg 0.25391 0.74609 0.00000 1.00000
  Hg3 Hg 0.74609 0.25391 0.00000 1.00000
  Hg4 Hg 0.25391 0.25391 0.00000 1.00000
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