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Pm2DyMgHg4

Alexandria ALEX

Alex-ID: agm004808652 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Pm2DyMgHg4
Alex-ID
agm004808652
Elements
4
Sites
8
Space group
R-3m (#166)
Crystal system
trigonal
Volume
205.61
ų
Cell a
5.2287
Å
Cell b
5.2287
Å
Cell c
9.1940
Å
α angle
73.48
°
β angle
73.48
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2DyMgHg4
Pm
2.00 · 25.0%
Dy
1.00 · 12.5%
Mg
1.00 · 12.5%
Hg
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0062
eV/atom
Formation energy
-0.4417
eV/atom
Corrected total energy
-20.6770
eV
Raw total energy
-20.6770
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.1091
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_78_spg166

Decomposition

Pm3MgHg4 Dy3MgHg4

Computed at

2022-07-17 03:35:29.616307

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: agm004808652).

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 agm004808652
data_agm004808652
_cell_length_a     5.22869
_cell_length_b     5.22869
_cell_length_c     9.19395
_cell_angle_alpha  73.47970
_cell_angle_beta   73.47970
_cell_angle_gamma  60.00000
_cell_volume       205.61185
_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 0.75538 0.75538 0.73387 1.00000
  Pm2 Pm 0.24462 0.24462 0.26613 1.00000
  Dy1 Dy 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
  Hg1 Hg 0.37188 0.37188 0.88437 1.00000
  Hg2 Hg 0.87618 0.87618 0.37145 1.00000
  Hg3 Hg 0.12382 0.12382 0.62855 1.00000
  Hg4 Hg 0.62812 0.62812 0.11563 1.00000
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