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Pr7HgBr12

Alexandria ALEX

Alex-ID: agm005804684 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
Pr7HgBr12
Alex-ID
agm005804684
Elements
3
Sites
20
Space group
R-3 (#148)
Crystal system
trigonal
Volume
706.47
ų
Cell a
9.7571
Å
Cell b
9.7571
Å
Cell c
9.7571
Å
α angle
109.79
°
β angle
109.79
°
γ angle
109.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr7HgBr12
Pr
7.00 · 35.0%
Hg
1.00 · 5.0%
Br
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0219
eV/atom
Formation energy
-1.5569
eV/atom
Corrected total energy
-85.0617
eV
Raw total energy
-85.0617
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0144
eV
DOS at Fermi level
8.0470
Total magnetisation
2.1243
μB

Additional Information

Prototype ID

AB7C12_30_spg148

Decomposition

Pr3HgBr3 Pr2Br5 PrBr2

Computed at

2023-07-15 11:37:58.619261

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: agm005804684).

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 agm005804684
data_agm005804684
_cell_length_a     9.75712
_cell_length_b     9.75712
_cell_length_c     9.75712
_cell_angle_alpha  109.79092
_cell_angle_beta   109.79090
_cell_angle_gamma  109.79092
_cell_volume       706.46971
_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
  Pr1 Pr 0.93938 0.64412 0.85900 1.00000
  Pr2 Pr 0.35588 0.14100 0.06062 1.00000
  Pr3 Pr 0.14100 0.06062 0.35588 1.00000
  Pr4 Pr 0.50000 0.50000 0.50000 1.00000
  Pr5 Pr 0.85900 0.93938 0.64412 1.00000
  Pr6 Pr 0.64412 0.85900 0.93938 1.00000
  Pr7 Pr 0.06062 0.35588 0.14100 1.00000
  Hg1 Hg 0.00000 0.00000 0.00000 1.00000
  Br1 Br 0.92377 0.30075 0.78461 1.00000
  Br2 Br 0.69925 0.21539 0.07623 1.00000
  Br3 Br 0.48649 0.15887 0.39726 1.00000
  Br4 Br 0.84113 0.60274 0.51351 1.00000
  Br5 Br 0.21539 0.07623 0.69925 1.00000
  Br6 Br 0.60274 0.51351 0.84113 1.00000
  Br7 Br 0.39726 0.48649 0.15887 1.00000
  Br8 Br 0.78461 0.92377 0.30075 1.00000
  Br9 Br 0.15887 0.39726 0.48649 1.00000
  Br10 Br 0.51351 0.84113 0.60274 1.00000
  Br11 Br 0.30075 0.78461 0.92377 1.00000
  Br12 Br 0.07623 0.69925 0.21539 1.00000
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